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Onsri P, Thaveemas P, Prajongtat P, Suvandee W, Techasakul S, Chuenchom L, Dechtrirat D. Dual-functional natural rubber latex foam composites for solar-driven clean water production and heavy metal decontamination. Int J Biol Macromol 2024; 273:133056. [PMID: 38862058 DOI: 10.1016/j.ijbiomac.2024.133056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 05/12/2024] [Accepted: 06/07/2024] [Indexed: 06/13/2024]
Abstract
Solar steam generation (SSG) offers a sustainable approach to fresh water production. Herein, a novel dual-functional natural rubber/carbon black composite foam evaporator is presented for a cost-efficient SSG system that both produces fresh water and eliminates heavy metals present in the water. The composite foam is produced using the Dunlop process, and in its optimized form, it absorbed >96 % of sunlight. The foam evaporator exhibited a thermal conductivity of 0.052 W/m⋅K, a water evaporation rate of 1.40 kg/m2/h, converted 83.38 % of light to heat under 1 sun irradiation, and showed outstanding stability. The technology required to produce this composite foam is already available to make large-scale production feasible, while the natural raw materials are abundant. On the basis of its performance qualities, the rubber foam composite appears to be an excellent candidate for application as a viable solar absorber for SSG to produce fresh, clean water for commercial purposes.
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Affiliation(s)
- Parichart Onsri
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand
| | - Piyatida Thaveemas
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand
| | - Pongthep Prajongtat
- Department of Materials Science, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Whijitra Suvandee
- Department of Materials Science, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Supanna Techasakul
- Laboratory of Organic Synthesis, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Laemthong Chuenchom
- Division of Physical Science, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand; Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand.
| | - Decha Dechtrirat
- Department of Materials Science, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand; Laboratory of Organic Synthesis, Chulabhorn Research Institute, Bangkok 10210, Thailand; Specialized Center of Rubber and Polymer Materials for Agriculture and Industry (RPM), Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
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2
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Li R, Wu M, Ma H, Zhu Y, Zhang H, Chen Q, Zhang C, Wei Y. A Single Component, Single Layer Flexile Foam Evaporator with the Higher Efficiency for Water Generation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2402016. [PMID: 38733109 DOI: 10.1002/adma.202402016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/22/2024] [Indexed: 05/13/2024]
Abstract
One of the greenest and promising ways to solve the problem of freshwater crisis is surface solar steam generation from seawater. A great number of photothermal materials with multi-component and multi-layered delicate yet complex structures often suffer from either low evaporation rate or high energy loss. Here, this work presents a single component foam evaporator with steam generation rate of up to 4.32 kg m-2 h-1 under 1 sun irradiation. The evaporator is constructed from an aniline oligomer as a single light-absorbing component, covalent linked with polyethylene glycol to form a monolithic polymer foam. Floating on the seawater, the foam has absorbance of 99.5% over the entire solar spectral range and low thermal conductivity (0.0077 W K-1m-1) that effectively retains heat in the material and at the interface. After 3 months of continuous outdoor natural sunlight irradiation, the evaporator maintains a stable and durable evaporation rate. Moreover, the materials have good mechanical properties (7.48 MPa young's modulus and 57.38% elongation at break) and excellent chemical resistance in 10 common organic solvents and aqueous solutions of pH = 1 to 14. This study provides a new system and strategy for desalination, steam power generation, treatment of polluted water and sewage, etc.
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Affiliation(s)
- Ruoxin Li
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing, 100084, China
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
| | - Mingrui Wu
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Haijun Ma
- Key Lab of Ministry of Education for Protection and Utilization of Special Biological Resources in Western China, School of Life Sciences, Ningxia University, Yinchuan, 750021, China
| | - Yongqi Zhu
- Department of Chemistry, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Hongyi Zhang
- Department of Chemistry, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Qiaomei Chen
- Beijing University of Chemical Technology, Beijing, 100029, China
| | - Chuhong Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu, 610065, China
| | - Yen Wei
- MOE Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
- School of Materials Science and Engineering, North Minzu University, Yinchuan, 750021, China
- Department of Chemistry and Center for Nanotechnology, Chung Yuan Christian University, Chung Li District, Taiwan, Taoyuan, 32023, China
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3
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Rengasamy M, Gnanasekaran A, Eswaramoorthy N, Basker I, Rajaram K. Combined effect of grooves and nanoflower structured Co 3O 4 coating on bamboo wood for highly efficient solar steam generation at indoor and outdoor conditions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33420-9. [PMID: 38676864 DOI: 10.1007/s11356-024-33420-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 04/17/2024] [Indexed: 04/29/2024]
Abstract
Currently, interfacial solar steam generation (ISSG) in desalinating water has become very popular for obtaining purified water from polluted water. However, finding an efficient evaporator with low cost is a challenging task for researchers. In this work, we introduce natural bamboo wood (BW) that acts as an interfacial evaporator for obtaining purified water. Four different wood evaporators namely, flat wood (BW-FW), two-cut grooved wood (BW-2G), four-cut grooved wood (BW-4G), and four-cut grooved with Co3O4-coated wood (BW-4G/Co3O4) are used to study the mass loss (ML), evaporation rate (ER), and evaporation efficiency (EY). From the observations, BW-4G/Co3O4 gives an admirable ML, ER, and EY of 4.4 g, 3.366 kg m-2 h-1, and 91.34% under 1 sun illumination for 60 min. Also, the BW-4G/Co3O4 evaporator is kept under natural sun illumination. It achieves 17.8 g of ML, 1.92 kg m-2 h-1 of ER, and 76% of EY respectively under 604.762 W/m2 solar illumination for 8 h. The reasons for the observed results are as follows: (i) the presence of grooves increases the exposing area for solar illuminations, (ii) super hydrophilicity nature of wood gives continuous replenishment of water from the bottom to the evaporative surface, (iii) the excellent salt rejection property of wood aids in continuous water transportation without salt accumulations. As a result of the condensed seawater samples, the ion concentrations (zinc, magnesium, cadmium, lead, copper, and sodium) come under WHO standards. Consequently, it gives better dye water separation from polluted water.
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Affiliation(s)
- Marimuthu Rengasamy
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Arulmurugan Gnanasekaran
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Nandhakumar Eswaramoorthy
- Centre for Computational Modelling, Chennai Institute of Technology, Chennai, Tamil Nadu, 600069, India
| | - Indhumathy Basker
- Bhaskara Engineering Services Private Limited, Chennai, Tamil Nadu, India
| | - Kamatchi Rajaram
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
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4
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Huang XP, Li LX, Chen K, Zhang JP. Scalable Superhydrophilic Solar Evaporators for Long-Term Stable Desalination, Fresh Water Collection and Salt Collection by Vertical Salt Deposition. CHEMSUSCHEM 2024:e202400111. [PMID: 38424000 DOI: 10.1002/cssc.202400111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/24/2024] [Accepted: 02/28/2024] [Indexed: 03/02/2024]
Abstract
Solar-driven interfacial evaporation (SIE) is very promising to solve the issue of fresh water shortage, however, poor salt resistance severely hinders long-term stable SIE and fresh water collection. Here, we report design of superhydrophilic solar evaporators for long-term stable desalination, fresh water collection and salt collection by vertical salt deposition. The evaporators are prepared by sequentially deposition of silicone nanofilaments, polypyrrole and Au nanoparticles on a polyester fabric composed of microfibers. The evaporators feature excellent photothermal effect and ultrafast water transport, due to their unique micro-/nanostructure and superhydrophilicity. As a result, during SIE the salt gradually deposits vertically rather than occupies larger area on the evaporators. Consequently, long-term stable SIE with high evaporation rates of 2.4-2.1 kg m-2 h-1 for 3.5-20 wt % brine in continuous 10 h is achieved under 1 sun illumination. Meanwhile, the loosely deposited salt can be easily collected, realizing zero brine discharge. Moreover, scalable preparation of the evaporator is achieved, which exhibits efficient collection of high quality fresh water (10.08 kg m-2 in 8 h) via SIE desalination under weak natural sunlight (0.46~0.66 sun). This strategy sheds a new light on the design of high-performance solar evaporators and their real-world fresh water collection.
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Affiliation(s)
- Xiaopeng P Huang
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Lingxiao X Li
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Kai Chen
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Junping P Zhang
- Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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5
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Wei D, Wang C, Zhang J, Zhao H, Asakura Y, Eguchi M, Xu X, Yamauchi Y. Water Activation in Solar-Powered Vapor Generation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2212100. [PMID: 37395703 DOI: 10.1002/adma.202212100] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 05/31/2023] [Accepted: 06/23/2023] [Indexed: 07/04/2023]
Abstract
Solar-powered vapor evaporation (SVG), based on the liquid-gas phase conversion concept using solar energy, has been given close attention as a promising technology to address the global water shortage. At molecular level, water molecules escaping from liquid water should overcome the attraction of the molecules on the liquid surface layer to evaporate. For this reason, it is better to reduce the energy required for evaporation by breaking a smaller number of hydrogen bonds or forming weak hydrogen bonds to ensure efficient and convenient vapor production. Many novel evaporator materials and effective water activation strategies have been proposed to stimulate rapid steam production and surpass the theoretical thermal limit. However, an in-depth understanding of the phase/enthalpy change process of water evaporation is unclear. In this review, a summary of theoretical analyses of vaporization enthalpy, general calculations, and characterization methods is provided. Various water activation mechanisms are also outlined to reduce evaporation enthalpy in evaporators. Moreover, unsolved issues associated with water activation are critically discussed to provide a direction for future research. Meanwhile, significant pioneering developments made in SVG are highlighted, hoping to provide a relatively entire chain for more scholars who are just stepping into this field.
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Affiliation(s)
- Dan Wei
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Chengbing Wang
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Jing Zhang
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Heng Zhao
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, China
| | - Yusuke Asakura
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya, 464-8603, Japan
| | - Miharu Eguchi
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo, 169-8555, Japan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Xingtao Xu
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya, 464-8603, Japan
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, Zhejiang, 316022, China
| | - Yusuke Yamauchi
- Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya, 464-8603, Japan
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo, 169-8555, Japan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland, 4072, Australia
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6
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Chen Y, Zhuo M, Wen X, Chen W, Zhang K, Li M. Organic Photothermal Cocrystals: Rational Design, Controlled Synthesis, and Advanced Application. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206830. [PMID: 36707495 PMCID: PMC10104673 DOI: 10.1002/advs.202206830] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/22/2022] [Indexed: 05/22/2023]
Abstract
Organic photothermal cocrystals, integrating the advantages of intrinsic organic cocrystals and the fascinating photothermal conversion ability, hold attracted considerable interest in both basic science and practical applications, involving photoacoustic imaging, seawater desalination, and photothermal therapy, and so on. However, these organic photothermal cocrystals currently suffer individual cases discovered step by step, as well as the deep and systemic investigation in the corresponding photothermal conversion mechanisms is rarely carried out, suggesting a huge challenge for their further developments. Therefore, it is urgently necessary to investigate and explore the rational design and synthesis of high-performance organic photothermal cocrystals for future applications. This review first and systematically summarizes the organic photothermal cocrystal in terms of molecular classification, the photothermal conversion mechanism, and their corresponding applications. The timely interpretation of the cocrystal photothermal effect will provide broad prospects for the purposeful fabrication of excellent organic photothermal cocrystals toward great efficiency, low cost, and multifunctionality.
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Affiliation(s)
- Ye‐Tao Chen
- College of Chemistry and Chemical Engineering and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong ProvinceShantou University515063ShantouChina
| | - Ming‐Peng Zhuo
- National Engineering Laboratory for Modern SilkCollege of Textile and Clothing EngineeringSoochow UniversitySuzhou215123China
| | - Xinyi Wen
- College of Chemistry and Chemical Engineering and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong ProvinceShantou University515063ShantouChina
| | - Wenbin Chen
- College of Chemistry and Chemical Engineering and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong ProvinceShantou University515063ShantouChina
| | - Ke‐Qin Zhang
- National Engineering Laboratory for Modern SilkCollege of Textile and Clothing EngineeringSoochow UniversitySuzhou215123China
| | - Ming‐De Li
- College of Chemistry and Chemical Engineering and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong ProvinceShantou University515063ShantouChina
- Chemistry and Chemical Engineering Guangdong LaboratoryShantou UniversityShantou515031China
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7
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Multifunctional Photoabsorber for Highly Efficient Interfacial Solar Steam Generation and Wastewater Treatment. ChemistrySelect 2023. [DOI: 10.1002/slct.202204386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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8
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Li Z, Wei S, Ge Y, Zhang Z, Li Z. Biomass-based materials for solar-powered seawater evaporation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160003. [PMID: 36370772 DOI: 10.1016/j.scitotenv.2022.160003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 10/31/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Clean and safe water is crucial to maintaining human life on earth. Solar-powered seawater desalination (SSD) is a promising and feasible way to use solar energy resources to overcome water scarcity. Among all the candidate materials for solar seawater evaporators, biomass-based materials stand out thanks to their excellent inherent natural structure, ease of preparation, low cost, and abundant resources. In this article, we review biomass-based materials, from angiosperms, algae, and fungi to animal materials and other atypical biomass materials, proposed for solar-powered seawater evaporation in the shape of the nanofluid, membrane, gels, composite sponge structures, composites Janus structures and other composites. The approaches for improving biomass-based solar seawater evaporators (BSSE) performance are emphasized, including optical absorption regulation, system thermal management optimization, adequate water supply, salt resistance, and effective steam condensate recovery. In the end, the opportunities and challenges of biomass-based materials for SSD are illustrated.
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Affiliation(s)
- Zichen Li
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning 530004, China
| | - Shuxia Wei
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning 530004, China
| | - Yuanyuan Ge
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning 530004, China.
| | - Zheng Zhang
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning 530004, China
| | - Zhili Li
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, 100 Daxuedong Road, Nanning 530004, China.
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9
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Pulugu P, Arya N, Kumar P, Srivastava A. Polystyrene-Based Slippery Surfaces Enable the Generation and Easy Retrieval of Tumor Spheroids. ACS APPLIED BIO MATERIALS 2022; 5:5582-5594. [PMID: 36445173 DOI: 10.1021/acsabm.2c00620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Multicellular tumor spheroids are the most well-characterized organotypic models for cancer research. Generally, scaffold-based and scaffold-free techniques are widely used for culturing spheroids. In scaffold-free techniques, the hanging drop (HD) method is a more versatile technique, but the retrieval of three-dimensional (3D) cell spheroids in the hanging drop method is usually labor-intensive. We developed oil-coated polystyrene nanofiber-based reusable slippery surfaces for the generation and easy retrieval of 3D spheroids. The developed slippery surfaces facilitated the rolling and gliding of the cell medium drops as well as holding the hydrophilic drops for more than 72 h by the virtue of surface tension as in the hanging drop method. In this study, polystyrene nanofibers were developed by the facile technique of electrospinning and the morphological evaluation was performed by scanning electron microscopy (SEM) and cryo-FESEM. We modeled the retrieval process of 3D spheroids with the ingredients of 3D spheroid generation, such as water, cell culture media, collagen, and hyaluronic acid solution, demonstrating the faster and easy retrieval of 3D spheroids within a few seconds. We created MCF-7 spheroids as a proof of concept with a developed slippery surface. 3D spheroids were characterized for their size, homogeneity, reactive oxygen species, proliferative marker (Ki-67), and hypoxic inducing factor 1ά (HIF-1ά). These 3D tumor spheroids were further tested for evaluating the cellular toxicity of the doxorubicin drug. Hence, the proposed slippery surfaces demonstrated the potential alternative of culturing 3D tumor spheroids with an easy retrieval process with intact 3D spheroids.
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Affiliation(s)
- Priyanka Pulugu
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Palaj, Opposite Air Force Station, Gandhinagar 382355, Gujarat, India
| | - Neha Arya
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Palaj, Opposite Air Force Station, Gandhinagar 382355, Gujarat, India
| | - Prasoon Kumar
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Palaj, Opposite Air Force Station, Gandhinagar 382355, Gujarat, India
| | - Akshay Srivastava
- National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Palaj, Opposite Air Force Station, Gandhinagar 382355, Gujarat, India
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10
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Qiu X, Kong H, Li Y, Wang Q, Wang Y. Interface Engineering of a Ti 4O 7 Nanofibrous Membrane for Efficient Solar-Driven Evaporation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:54855-54866. [PMID: 36449984 DOI: 10.1021/acsami.2c15997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Solar-driven interfacial evaporation provides a feasible and sustainable way to solve the fresh water shortage using abundant solar energy and has recently attracted considerable attention. However, it has been limited by the evaporation rate and solar-heat conversion efficiency of the current materials. Herein, a novel Ti4O7 membrane with synergetic photothermal and electrothermal effects was developed using a straightforward in situ approach. Based on interface engineering, the interface between the surface of the membrane and water was hydrophobically modified, and a thermal insulation layer was added to the bottom of the membrane. The optimized self-floating membrane with excellent sunlight absorbability and conductivity achieved a remarkably high evaporation rate of 7.51 kg m-2 h-1 with a voltage of 3 V as compensation under one-sun irradiation (1 kW m-2). Moreover, the bilayered membrane displayed efficient salt ion rejection, and the collected water can meet the World Health Organization (WHO) standard required for potable water.
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Affiliation(s)
- Xiaopan Qiu
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, P. R. China
| | - Haoran Kong
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, P. R. China
| | - Yuting Li
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, P. R. China
| | - Qinhuan Wang
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, P. R. China
| | - Yu Wang
- State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing100190, P. R. China
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11
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Setyawan H, Juliananda J, Widiyastuti W. Engineering Materials to Enhance Light-to-Heat Conversion for Efficient Solar Water Purification. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c03170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
- Heru Setyawan
- Department of Chemical Engineering, Faculty of Industrial Technology and System Engineering, Sepuluh Nopember Institute of Technology, Kampus ITS Sukolilo, Surabaya60111, Indonesia
| | - Juliananda Juliananda
- Department of Chemical Engineering, Faculty of Industrial Technology and System Engineering, Sepuluh Nopember Institute of Technology, Kampus ITS Sukolilo, Surabaya60111, Indonesia
| | - Widiyastuti Widiyastuti
- Department of Chemical Engineering, Faculty of Industrial Technology and System Engineering, Sepuluh Nopember Institute of Technology, Kampus ITS Sukolilo, Surabaya60111, Indonesia
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12
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Wang Q, Xiao W, Luo X, Wang L, Gao J. Flexible and hydrophobic nanofiber composites with self-enhanced interfacial adhesion for high performance strain sensing and body motion detection. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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He G, Li M, Li X, Wang Q, Xie Z, Xue Y, Wang K, Yu J, Sun G, Yu H, Qiu X. Isoporous membrane from PS-b-PAA/MWCNT-Ag composite with high photothermal conversion efficiency. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Mohiuddin SA, Kaviti AK, Rao TS, Sikarwar VS. Historic review and recent progress in internal design modification in solar stills. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:38825-38878. [PMID: 35292891 DOI: 10.1007/s11356-022-19527-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Solar still, which uses solar renewable energy sources, especially solar energy, to produce pure water, is a promising technology as it is abundantly available and eco-friendly. Researchers have innovated in internal and external designs to enhance distillate productivity in solar desalination systems. The present review paper discusses the major internal modifications done in history and recent past to enhance the distillate output. Six sub-sections have been developed concerning historic internal modifications that discuss types of basin liners, water depth, stones, dyes, phase change materials, and weirs. It has been found that among all the historic internal modifications, phase change materials were the most effective with distillate yield enhancement of up to 80%. The limitation in distillate yield made the researchers to perform further modifications to enhance the productivity, and hence, recent internal designs have also been discussed. Recent internal modifications have six sub-sections: fins, wicks, nanofluids, nanostructures, dynamic modifications, and natural materials. Among the recent, dynamic modifications were the most efficient with productivity enhancement of up to 300%, with a maximum cumulative yield of 8.78 kg/m2/day for the rotating wick solar still compared to CSS which gave only 2.21 kg/m2/day. Such a kind of review work has not been performed till date, which covers all the internal design modifications in one paper exhaustively. Furthermore, gaps have been identified, and future perspectives have been presented in the conclusion section. It has been observed that nanostructures, nanoparticles, and dynamic modifications are the most promising internal modifications in recent times that can boost distillate productivity to a greater degree.
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Affiliation(s)
- Shaik Afzal Mohiuddin
- Centre for Solar Energy Materials, VNRVJIET, Hyderabad, 500090, India
- Department of Mechanical Engineering, VNRVJIET, Hyderabad, 500090, India
- Department of Mechanical Engineering, JNTUH, Hyderabad, 500085, India
| | - Ajay Kumar Kaviti
- Centre for Solar Energy Materials, VNRVJIET, Hyderabad, 500090, India.
- Department of Mechanical Engineering, VNRVJIET, Hyderabad, 500090, India.
| | | | - Vineet Singh Sikarwar
- Institute of Plasma Physics of the Czech Academy of Sciences, V.V.I., Za Slovankou 1782/3, 182 00, Prague 8, Czech Republic
- Department of Power Engineering, University of Chemistry and Technology Prague, Technická 5, 166 28, Prague 6, Czech Republic
- Department of Green Chemistry and Technology, Ghent University, 9000, Ghent, Belgium
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15
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Seifi T, Kamali AR. The influence of mechanochemical treatment in hexane on dispersibility and floatability of graphite flakes with enhanced water evaporation performance. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128326] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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16
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Zhang H, Liu H, Chen S, Zhao X, Yang F, Tian X. Preparation of Three-dimensional Graphene-based Sponge as Photo-thermal Conversion Material to Desalinate Seawater. Chem Res Chin Univ 2022. [DOI: 10.1007/s40242-022-1500-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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A Simple Polypyrrole/Polyvinylidene Fluoride Membrane with Hydrophobic and Self-Floating Ability for Solar Water Evaporation. NANOMATERIALS 2022; 12:nano12050859. [PMID: 35269347 PMCID: PMC8912860 DOI: 10.3390/nano12050859] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/01/2022] [Accepted: 03/01/2022] [Indexed: 12/04/2022]
Abstract
The traditional hydrophobic solarevaporator is generally obtained through the modification of alkyl or fluoroalkyl on the photothermal membrane. However, the modified groups can easily be oxidized in the long-term use process, resulting in the poor salt resistance and stability of photothermal membrane. In order to solve this problem, a simple polypyrrole/polyvinylidene fluoride membrane, consisting of an intrinsic hydrophobic support (polyvinylidene fluoride) and a photothermal material (polypyrrole), was fabricated by ultrasonically mixing and immersed precipitation. This photothermal membrane showed good self-floating ability in the process of water evaporation. In order to further improve the photothermal conversion efficiency, a micropyramid structure with antireflective ability was formed on the surface of membrane by template method. The micropyramids can enhance the absorption efficiency of incident light. The water evaporation rate reached 1.42 kg m−2 h−1 under 1 sun irradiation, and the photothermal conversion efficiency was 88.7%. The hydrophobic polyvinylidene fluoride ensures that NaCl cannot enter into membrane during the evaporation process of the brine, thus realizing the stability and salt resistance of polypyrrole/polyvinylidene fluoride in 3.5%wt and 10%wt NaCl solution.
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18
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Cornish GA, Eyegheleme NL, Hudson LS, Troy KJ, Vollen MM, Boreyko JB. Transpiration-powered desalination water bottle. SOFT MATTER 2022; 18:1287-1293. [PMID: 35048942 DOI: 10.1039/d1sm01470f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Inspired by mangrove trees, we present a theoretical design and analysis of a portable desalinating water bottle powered by transpiration. The bottle includes an annular fin for absorbing solar heat, which is used to boost the evaporation rate of water from the interior synthetic leaf. This synthetic leaf comprises a nanoporous film deposited atop a supporting micromesh. Water evaporating from the leaf generates a highly negative Laplace pressure, which pulls the overlying source water across an upstream reverse osmosis membrane. Evaporated water is re-condensed in the bottom of the bottle for collection. The benefit of our hybrid approach to desalination is that reverse osmosis is spontaneously enabled by transpiration, while the thermal evaporation process is enhanced by heat localization and made more durable by pre-filtering the salt. We estimate that a 9.4 cm diameter bottle, with a 10 cm wide annular fin, could harvest about a liter of fresh water per day from ocean water.
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Affiliation(s)
| | - Ndidi L Eyegheleme
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
| | | | | | - Maia M Vollen
- George Mason High School, Falls Church, VA 22046, USA
| | - Jonathan B Boreyko
- Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA.
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19
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Highly efficient solar vapour generation via self-floating three-dimensional Ti2O3-based aerogels. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128031] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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21
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Kiriarachchi HD, Hassan AA, Awad FS, El-Shall MS. Metal-free functionalized carbonized cotton for efficient solar steam generation and wastewater treatment. RSC Adv 2021; 12:1043-1050. [PMID: 35425139 PMCID: PMC8978842 DOI: 10.1039/d1ra08438k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/20/2021] [Indexed: 01/27/2023] Open
Abstract
Water desalination via solar steam generation is one of the most important technologies to address the increasingly pressing global water scarcity. Materials for solar photothermal energy conversion are highly sought after for their cost savings, environmental friendliness and broad utility in many applications including domestic water heating and solar-driven desalination. Herein, we report the successful development of metal-free, low weight and cost effective functionalized carbonized cotton (CC) fibers for efficient solar water desalination and wastewater treatment. The CC fibers with nearly full solar spectrum absorption, efficient photo-thermal conversion and low-cost could provide excellent alternatives to the high-cost plasmonic-based materials for solar water desalination. We also report on a novel and simple device to mitigate the issues associated with conductive heat loss by utilizing the economically viable carbonized cotton materials as an irradiation surface placed on a low-density polyethylene foam that floats on the surface of seawater. The CC solar steam generation device exhibits average water evaporation rates of 0.9, 6.4 and 10.9 kg m-2 h-1 with impressive solar-to-vapor efficiencies of 59.2, 88.7 and 94.9% under 1, 5 and 8 sun illumination, respectively. Moreover, the device displays excellent durability showing stable evaporation rates over 10 steam generation cycles under 5 sun of solar intensity. Furthermore, the applicability of the CC device for the removal of organic dyes from contaminated water through solar steam generation is also demonstrated. The low-cost, simple design, high solar thermal evaporation efficiency, excellent stability and long-term durability make this CC device a perfect candidate for applications in seawater desalination and wastewater treatment by solar steam generation.
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Affiliation(s)
| | - Amr A Hassan
- Chemistry Department, Faculty of Science, Ain Shams University Cairo 11566 Egypt
| | - Fathi S Awad
- Chemistry Department, Faculty of Science, Mansoura University Mansoura 35516 Egypt +201000166374
| | - M Samy El-Shall
- Department of Chemistry, Virginia Commonwealth University Richmond VA 23284 USA
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22
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Guan W, Guo Y, Yu G. Carbon Materials for Solar Water Evaporation and Desalination. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2007176. [PMID: 34096179 DOI: 10.1002/smll.202007176] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 02/01/2021] [Indexed: 05/27/2023]
Abstract
Seawater desalination is viewed as a promising solution to world freshwater scarcity. Solar assisted desalination is proposed to overcome the high energy consumption in current desalination technologies, as it uses abundant and sustainable solar energy as the only energy input. Interfacial solar vapor generation (SVG) has attracted considerable research interest due to its high energy conversion efficiency, simple implementation, and cost-effectiveness. Among all the candidate materials for solar evaporators, carbon-based materials stand out due to their intrinsic high solar absorption, highly tunable structure, easy preparation, low cost, and earth-abundancy. In this review, the recent progress on carbon-based materials for the development of interfacial SVG is summarized. First, a brief introduction to the basic design principles of the interfacial SVG system is presented. Then, recent efforts in carbon-based solar evaporators, from artificial structures to bioinspired configurations, focusing on their structure-function relationship are highlighted. Strategies for designing antisalt-fouling desalination systems are also summarized. Last, the challenges and opportunities of carbon-based materials for solar evaporation technology are elaborated.
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Affiliation(s)
- Weixin Guan
- Materials Science and Engineering Program, Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Youhong Guo
- Materials Science and Engineering Program, Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Guihua Yu
- Materials Science and Engineering Program, Texas Materials Institute, The University of Texas at Austin, Austin, TX, 78712, USA
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23
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Water harvesting from desert soil via interfacial solar heating under natural sunlight. J Colloid Interface Sci 2021; 607:1986-1992. [PMID: 34695747 DOI: 10.1016/j.jcis.2021.09.195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 11/22/2022]
Abstract
Freshwater crisis seriously challenges human survival and development, especially in arid regions. Solar-driven interfacial evaporation has recently received tremendous interest for collecting clean water, yet is only feasible in regions with available surface water. Atmospheric water harvesting is independent of surface water but requires high RH, additional energy input and complex equipment. Here, we demonstrate efficient water harvesting from desert soil in very dry regions (air RH < 10%, soil moisture content < 3%) via interfacial solar heating under natural sunlight. The water harvesting device, composed of merely a thin layer of activated carbon (for interfacial solar heating on soil surface), a commercially available polyethylene film (for vapor condensation and water transport) and a water container, could collect 1.13 kg of clean water per square meter of desert soil per day (8 h), i.e., 0.53 kg of clean water per kilogram of activated carbon per hour, under a solar flux of 0.26-0.55 kW m-2. Besides, the soil water harvesting system is very portable, low-cost and scalable. This work opens up a new sustainable approach for solving the freshwater crisis in arid and impoverished regions.
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24
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Liang P, Liu S, Ding Y, Wen X, Wang K, Shao C, Hong X, Liu Y. A self-floating electrospun nanofiber mat for continuously high-efficiency solar desalination. CHEMOSPHERE 2021; 280:130719. [PMID: 33971417 DOI: 10.1016/j.chemosphere.2021.130719] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/09/2021] [Accepted: 04/24/2021] [Indexed: 06/12/2023]
Abstract
Solar desalination is an environment-friendly and sustainable technology to address the shortage of freshwater resources. However, it still faces huge challenges to develop a salt-rejection solar desalination system with continuous high efficiency. Herein, an electrospun nanofiber mat was fabricated for continuously high-efficiency solar desalination with carbon nanotube as a photothermal material, polyvinylidene fluoride as a floating support material and polyvinylpyrrolidone as a pore-forming agent. The porous structure and superhydrophilic surface provide significant water transport channels and thus avoid salt deposition, even in the high-salinity brine (20 wt% NaCl). The integration of strong broadband absorption property, excellent photothermal performance, floatability, durability and stability endows the solar desalination system with continuously high evaporation efficiency. The evaporation rate and solar conversion efficiency reached up to 1.372 kg m-2 h-1 and 86.1%, respectively, in simulated seawater under one sun irradiation and lasted for 11 h with little fluctuation. This work opens a new avenue for the rational design and fabrication of solar desalination systems to promote practical application.
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Affiliation(s)
- Pingping Liang
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China; School of Mechanical and Civil Engineering, Jilin Agricultural Science and Technology University, Jilin, 132101, China
| | - Shuai Liu
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China
| | - Yadan Ding
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China
| | - Xiaokun Wen
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China
| | - Kexin Wang
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China
| | - Changlu Shao
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China
| | - Xia Hong
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China.
| | - Yichun Liu
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, 130024, China
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25
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Mehrkhah R, Goharshadi EK, Mohammadi M. Highly efficient solar desalination and wastewater treatment by economical wood-based double-layer photoabsorbers. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.05.049] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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26
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Gu Y, Li X, Li X, Yao Z, Lu S, Wu X. Facile Preparation of Cu
2
S/Cu Mesh For High‐performance Solar Water Evaporation. ChemistrySelect 2021. [DOI: 10.1002/slct.202102161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yanran Gu
- School of Chemistry and Chemical Engineering State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology Harbin 150001 P.R. China
| | - Xin Li
- School of Chemistry and Chemical Engineering State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology Harbin 150001 P.R. China
| | - Xuejian Li
- School of Chemistry and Chemical Engineering State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology Harbin 150001 P.R. China
| | - Zhongping Yao
- School of Chemistry and Chemical Engineering State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology Harbin 150001 P.R. China
| | - Songtao Lu
- School of Chemistry and Chemical Engineering State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology Harbin 150001 P.R. China
| | - Xiaohong Wu
- School of Chemistry and Chemical Engineering State Key Laboratory of Urban Water Resource and Environment Harbin Institute of Technology Harbin 150001 P.R. China
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27
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He W, Zhou L, Wang M, Cao Y, Chen X, Hou X. Structure development of carbon-based solar-driven water evaporation systems. Sci Bull (Beijing) 2021; 66:1472-1483. [PMID: 36654373 DOI: 10.1016/j.scib.2021.02.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 01/19/2021] [Accepted: 02/03/2021] [Indexed: 01/20/2023]
Abstract
Pressing need goes ahead for accessing freshwater in insufficient supply countries and regions, which will become a restrictive factor for human development and production. In recent years, solar-driven water evaporation (SDWE) systems have attracted increasing attention for their specialty in no consume conventional energy, pollution-free, and the high purity of fresh water. In particular, carbon-based photothermal conversion materials are preferred light-absorbing material for SDWE systems because of their wide range of spectrum absorption and high photothermal conversion efficiency based on super-conjugate effect. Until now, many carbon-based SDWE systems have been reported, and various structures emerged and were designed to enhance light absorption, optimize heat management, and improve the efficient water transport path. In this review, we attempt to give a comprehensive summary and discussions of structure progress of the carbon-based SDWE systems and their working mechanisms, including carbon nanoparticles systems, single-layer photothermal membrane systems, bi-layer structural photothermal systems, porous carbon-based materials systems, and three dimensional (3D) systems. In these systems, the latest 3D systems can expand the light path by allowing light to be reflected multiple times in the microcavity to increase the light absorption rate, and its large heat exchange area can prompt more water to evaporate, which makes them the promising application foreground. We hope our review can spark the probing of underlying principles and inspiring design strategies of these carbon-based SDWE systems, and further guide device optimizations, eventually promoting in extensive practical applications in the future.
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Affiliation(s)
- Wen He
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Lei Zhou
- Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Jiujiang Research Institute, College of Physical Science and Technology, Xiamen University, Xiamen 361005, China
| | - Miao Wang
- College of Materials, Xiamen University, Xiamen 361005, China.
| | - Yang Cao
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China; Tan Kah Kee Innovation Laboratory, Xiamen 361102, China.
| | - Xuemei Chen
- MIIT Key Laboratory of Thermal Control of Electronic Equipment, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Xu Hou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China; Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Jiujiang Research Institute, College of Physical Science and Technology, Xiamen University, Xiamen 361005, China; Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China; Tan Kah Kee Innovation Laboratory, Xiamen 361102, China.
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28
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Sun H, Li Y, Li J, Zhu Z, Zhang W, Liang W, Ma C, Li A. Facile Preparation of a Carbon-Based Hybrid Film for Efficient Solar-Driven Interfacial Water Evaporation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:33427-33436. [PMID: 34236169 DOI: 10.1021/acsami.1c06226] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Solar-driven interfacial water evaporation is one promising technology for seawater desalination and sewage purification because it offers a feasible and sustainable strategy to relieve global water scarcity. Herein, a novel hybrid film composed of recycled carbon soot and poly(vinyl alcohol) is developed by a very simple, green, and highly scalable "salt-assisted" assembling method. The hybrid film possesses characteristics with a porous structure, superhydrophilicity, ∼100% light absorption, and low thermal conductivity, which can effectively convert light into heat under solar illumination. Consequently, the hybrid film can achieve a photothermal conversion efficiency of 91.5% under a stimulated solar irradiation of 1 kW m-2. Furthermore, the hybrid film can be applied for seawater desalination and dye wastewater purification. The findings of our work not only provide a new photothermal platform with high light-to-thermal conversion ability and good reusability but also open a new avenue for the applications of carbon soot-based hybrid films in solar-assisted water evaporation and sewage purification.
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Affiliation(s)
- Hanxue Sun
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Yuanzhen Li
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Jiyan Li
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Zhaoqi Zhu
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Wanting Zhang
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Weidong Liang
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Chonghua Ma
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - An Li
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
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29
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Kim C, Shin D, Baitha MN, Ryu Y, Urbas AM, Park W, Kim K. High-Efficiency Solar Vapor Generation Boosted by a Solar-Induced Updraft with Biomimetic 3D Structures. ACS APPLIED MATERIALS & INTERFACES 2021; 13:29602-29611. [PMID: 34138554 DOI: 10.1021/acsami.1c05883] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Sunlight-based desalination is one of the most environment-friendly, low-cost methods for obtaining freshwater on the planet. We implemented a biomimetic three-dimensional (3D) solar evaporator, improved by a solar-induced air-flow updraft. A carbon-coated polyvinyl alcohol (PVA) foam allowed us to achieve perfect absorption of ultrabroadband sunlight and continuously provide water to tall 3D structures. Integrating the convection flower (Amorphophallus titanum) and solar chimney structure, we proposed a bio-inspired 3D solar evaporator system that generates an updraft airflow. This updraft replaces saturated vapor between neighboring PVA foams with dry air, resulting in a significant increase in the effectiveness of dry air-water contact interfaces. Under the 1 sun condition (1 kW m-2), we achieve a high solar-vapor conversion efficiency of 95.9%.
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Affiliation(s)
- Changwook Kim
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Dongheok Shin
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Monu Nath Baitha
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Yunha Ryu
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Augustine M Urbas
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio 45433, United States
| | - Wounjhang Park
- Department of Electrical, Computer & Energy Engineering, University of Colorado, Boulder, Colorado 80309, United States
| | - Kyoungsik Kim
- School of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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30
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Zang L, Finnerty C, Zheng S, Conway K, Sun L, Ma J, Mi B. Interfacial solar vapor generation for desalination and brine treatment: Evaluating current strategies of solving scaling. WATER RESEARCH 2021; 198:117135. [PMID: 33895587 DOI: 10.1016/j.watres.2021.117135] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 06/12/2023]
Abstract
Interfacial solar vapor generation, an efficient, sustainable, and low-cost method for producing clean water, has attracted great interest for application in solar desalination and wastewater treatment. Although recent studies indicated significant enhancement of overall performance by developing photothermal materials and constructing different dimensional systems, stable evaporation performance and long-term operation of the evaporator are hindered by severe scaling issues. In this critical review, we present the latest strategies in reducing salt accumulation on the evaporator for solar desalination and brine treatment. We first demonstrate the consequences of salt accumulation, and then discuss various self-cleaning methods based on bio-inspired concepts and other strategies such as physical cleaning, ion rejection and exchange, fast ion diffusion, and controlled crystallization, etc. Importantly, we discuss and address the rational design of the evaporator via establishing a relationship model between its porosity, thickness, and thermal conductivity. Lastly, we evaluate salt-resistance strategies, evaporation performance, and possibilities of real application in different evaporation systems with scaling-resistant abilities.
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Affiliation(s)
- Linlin Zang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; Department of Civil and Environmental Engineering, University of California, Berkeley, California 94720, United States
| | - Casey Finnerty
- Department of Civil and Environmental Engineering, University of California, Berkeley, California 94720, United States
| | - Sunxiang Zheng
- Department of Civil and Environmental Engineering, University of California, Berkeley, California 94720, United States
| | - Kelly Conway
- Department of Civil and Environmental Engineering, University of California, Berkeley, California 94720, United States
| | - Liguo Sun
- School of Chemical Engineering and Materials, Heilongjiang University, Harbin 150080, China
| | - Jun Ma
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
| | - Baoxia Mi
- Department of Civil and Environmental Engineering, University of California, Berkeley, California 94720, United States.
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31
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Xie M, Qian J, Li Y, Yang H, Qu J, Hu X, Mao Q. Construction of an integrated multi-layer textile for solar-driven steam generation. APPLIED OPTICS 2021; 60:4930-4937. [PMID: 34143055 DOI: 10.1364/ao.422841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
Solar steam generation has widespread application in wastewater treatment, seawater desalination, liquid-liquid separation, and other fields, providing potential opportunities for producing fresh water. Up until now, most researchers in this field focused on enhancing the evaporation rate of the solar steam generation device. However, problems in terms of its portability and flexibility still exist when it comes to real application scenarios. Herein, we propose a novel, to the best of our knowledge, integrated multi-layer textile composed of reduced graphene oxide/cotton (RGO/cotton) fabric, cotton yarn, and polypropylene (PP) fabric for solar-driven steam generation. The evaporation rate obtained by the integrated multi-layer textile as prepared is ${0.83}\;{{\rm kg\cdot m}^{- 2}}\cdot{{\rm h}^{- 1}}$ under one sun solar radiation, which is 3.16 times higher than that of blank experiment and is superior to many previously reported works. Its remarkable evaporation performance is mainly attributed to the inherent multi-layer structures, where porous RGO/cotton fabric exhibits ultra-water vapor permeability, hydrophilic cotton yarn supplies water continuously, and low-density hydrophobic PP fabric hinders heat sustainably. Based on the results of application performance evaluation, the integrated multi-layer textile with scalable manufacturability, portability, durability, and flexibility is expected to boost the development of solar-driven steam generation.
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32
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Primadona I, Permatasari FA, Irham MA, Nasir M, Iskandar F. Recent advances and rational design strategies of carbon dots towards highly efficient solar evaporation. NANOSCALE 2021; 13:7523-7532. [PMID: 33870394 DOI: 10.1039/d1nr00023c] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Solar evaporation using photothermal materials is an environmentally friendly and feasible solution to overcome the water scarcity issue by utilizing the abundant solar energy source. Some key points for efficient solar-to-thermal energy conversion have been extensively studied. Among them, the advancement of solar absorber materials has emerged as an attractive research topic, owing to their potential to enhance the efficiency of solar to thermal conversion significantly. Recently, carbon dots (CDs) have attracted great interest for their applications in this field. CDs have many desirable properties, such as broad light absorption (200-800 nm), high photothermal conversion efficiency (more than 90%), tunable structure and surface functionalization, easy to produce and abundant raw materials that meet the requirements for this application. In this review, the integration of CDs into solar evaporation systems and recent advances in CD-based solar absorbers will be summarized and discussed. Before that, brief knowledge of carbon-based solar thermal evaporation, including its mechanism and strategies to improve the efficiency, is provided, followed by CDs' synthesis and tunable properties that can be optimized for this application. Finally, the challenges and perspectives of research for CD-based solar evaporation are proposed, for example, optimizing solar absorbers by decorating hydroxyl-rich CDs in 2D or 3D structures.
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Affiliation(s)
- Indah Primadona
- Research Unit for Clean Technology, Indonesian Institute of Sciences (LIPI), Jalan Sangkuriang Komplek LIPI, Bandung 40135, Indonesia
| | - Fitri Aulia Permatasari
- Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia.
| | - Muhammad Alief Irham
- Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia.
| | - Muhamad Nasir
- Research Unit for Clean Technology, Indonesian Institute of Sciences (LIPI), Jalan Sangkuriang Komplek LIPI, Bandung 40135, Indonesia
| | - Ferry Iskandar
- Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia. and Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, Indonesia
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Chen L, Xu P, Kota K, Kuravi S, Wang H. Solar distillation of highly saline produced water using low-cost and high-performance carbon black and airlaid paper-based evaporator (CAPER). CHEMOSPHERE 2021; 269:129372. [PMID: 33383253 DOI: 10.1016/j.chemosphere.2020.129372] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/19/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
The current technologies to treat hypersaline produced water (PW), such as thermal evaporation, are usually energy-intensive and cost-prohibitive. This study developed a low-cost, robust, solar-driven carbon black and airlaid paper-based evaporator (CAPER) for desalination of PW in the Permian Basin, United States. The study aims to better understand the removal of aromatic organic compounds and heavy metals during solar distillation, water output, and heat transfer. Outdoor experiments using CAPER assisted with polystyrene foam in a single slope, single basin solar still achieved an enhanced average evaporation rate of 2.23 L per m2 per day, 165% higher than that of a conventional solar still. Analysis of heat transfer models demonstrated that CAPER solar evaporation achieved an evaporative heat transfer coefficient of ∼28.9 W m-2·K-1, 27.9% higher than without CAPER. The maximum fractional energy of evaporation and convection heat transfer inside the solar still with and without CAPER was ∼81.4% and ∼78.2%, respectively. For the PW with a total dissolved solids concentration of 134 g L-1, solar distillation removed 99.97% salts and over 98% heavy metals. The high removal efficiency of 99.99% was achieved for Ca, Na, Mg, Mn, Ni, Se, Sr, and V. Organic characterization revealed that solar distillation removed over 83% aromatic compounds. Solar desalination using CAPER provides a low-cost and high-performance process to treat PW with high salinity and complex water chemistry for potential fit-for-purpose beneficial uses.
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Affiliation(s)
- Lin Chen
- Department of Civil Engineering, New Mexico State University, Las Cruces, NM, 88003, USA
| | - Pei Xu
- Department of Civil Engineering, New Mexico State University, Las Cruces, NM, 88003, USA.
| | - Krishna Kota
- Department of Mechanical and Aerospace Engineering, New Mexico State University, Las Cruces, NM, 88003, USA
| | - Sarada Kuravi
- Department of Mechanical and Aerospace Engineering, New Mexico State University, Las Cruces, NM, 88003, USA
| | - Huiyao Wang
- Department of Civil Engineering, New Mexico State University, Las Cruces, NM, 88003, USA.
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Xie Z, Zhu J, Zhang L. Three-Dimensionally Structured Polypyrrole-Coated Setaria viridis Spike Composites for Efficient Solar Steam Generation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:9027-9035. [PMID: 33577283 DOI: 10.1021/acsami.0c22917] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Solar-driven steam generation is a promising technology for the production of freshwater from seawater and polluted water. High water evaporation rates have been achieved via the interfacial heating scheme; however, they are still limited to meet the increasing need for freshwater due to the restricted evaporation area of two-dimensionally (2D) geometrical planar photothermal membranes. Herein, a three-dimensionally (3D) structured solar evaporator is prepared via coating photothermal polypyrrole (PPy) on the spike of Setaria viridis(S. viridis) for highly efficient evaporation. Due to the enlarged evaporation area and open structure for vapor dissipation, the PPy-coated S. viridis spike solar evaporator shows a high water evaporation rate of 3.72 kg m-2 h-1 under one sun illumination. The 3D solar evaporator also demonstrates good durability and anti-salt-clogging performance for real-life applications. Furthermore, we show that the 3D solar evaporator demonstrates effective decontamination of saline water, dye-contaminated water, and corrosive water. This work can inspire new paradigms toward developing high-performance solar steaming technologies for effective water purification to address the worldwide crisis of freshwater shortage.
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Affiliation(s)
- Zhanjun Xie
- Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 51800, China
| | - Jintao Zhu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Lianbin Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 51800, China
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Yang Y, Zhao M, Cao Z, Ge Z, Ma Y, Chen Y. Low-cost and scalable carbon bread used as an efficient solar steam generator with high performance for water desalination and purification. RSC Adv 2021; 11:8674-8681. [PMID: 35423358 PMCID: PMC8695201 DOI: 10.1039/d1ra00592h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 02/11/2021] [Indexed: 11/29/2022] Open
Abstract
Solar steam generation has been considered as a promising method for water desalination and purification. Achieving a simple, scalable and cost-effective method to fabricate solar-thermal materials with high performance is the key for its widespread application. Herein, we demonstrate high performance “carbon bread” as a solar steam generator via a facile one-pot baking process, which can be carried out in most household kitchens in our daily life without high-temperature carbonization. The carbon bread could achieve ∼85.9% conversion efficiency under 1 sun illumination and ∼81.7% efficiency even under 0.25 sun. The highly efficient solar steam generation performance benefits from the unique structure and properties of carbon bread: efficient and broadband light absorption, 3D interconnected hierarchical pores, excellent hydrophilicity and thermal insulation. This scalable material could generate fresh drinkable water from seawater and wastewater under ambient conditions. The successful demonstration of this simple and easily accessible carbon bread material could inspire the development of solar-driven water evaporators derived from low cost and commercially available raw chemicals through a simple manufacturing process for practical water desalination and purification on a large scale. Solar steam generation has been considered as a promising method for water desalination and purification.![]()
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Affiliation(s)
- Yang Yang
- The Institute of Seawater Desalination and Multipurpose Utilization, Ministry of Natural Resources (Tianjin) Tianjin 300192 China
| | - Man Zhao
- The Institute of Seawater Desalination and Multipurpose Utilization, Ministry of Natural Resources (Tianjin) Tianjin 300192 China
| | - Zhen Cao
- The Institute of Seawater Desalination and Multipurpose Utilization, Ministry of Natural Resources (Tianjin) Tianjin 300192 China
| | - Zhen Ge
- The Centre of Nanoscale Science and Technology, Key Laboratory of Functional Polymer Materials, College of Chemistry, Nankai University Tianjin 300071 China
| | - Yanfeng Ma
- The Centre of Nanoscale Science and Technology, Key Laboratory of Functional Polymer Materials, College of Chemistry, Nankai University Tianjin 300071 China
| | - Yongsheng Chen
- The Centre of Nanoscale Science and Technology, Key Laboratory of Functional Polymer Materials, College of Chemistry, Nankai University Tianjin 300071 China
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Chen H, Wu SL, Wang HL, Wu QY, Yang HC. Photothermal Devices for Sustainable Uses Beyond Desalination. ACTA ACUST UNITED AC 2021. [DOI: 10.1002/aesr.202000056] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Honglei Chen
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Shao-Lin Wu
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Hua-Li Wang
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Qing-Yun Wu
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Hao-Cheng Yang
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
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Aldhaleai A, Tsai PA. Fabrication of Transparent and Microstructured Superhydrophobic Substrates Using Additive Manufacturing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:348-356. [PMID: 33377783 DOI: 10.1021/acs.langmuir.0c02945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We report facile one- and two-step processes for the fabrication of transparent ultrahydrophobic surfaces and three-dimensional (3D)-printed superhydrophobic (SH) microstructures, respectively. In the one-step method, polydimethylsiloxane (PDMS) solution is treated thermally at 350 °C for 4 h, while PDMS-soot is generated and deposited on a glass slide to obtain a transparent SH surface without further chemical modification. For the two-step approach, SH surfaces are obtained by incorporating a 3D printing technique with a convenient hydrophobic coating method. Herein, we first 3D-print microstructured substrates with particular surface parameters, which are designed to facilitate a stable gas-trapping Cassie-Baxter (CB) wetting state based on a thermodynamic calculation. We subsequently coat the 3D-printed microstructures with candle soot (CS) or octadecyltrichlorosilane (OTS) solution to make superhydrophobic surfaces with mechanical durability. These surfaces exhibit an ultrahigh static water contact angle (CA, θ ≃ 158 ± 2 and 147 ± 2° for the CS and OTS coating, respectively) and a low roll-off angle for water droplets. Both static and dynamic (in terms of the advancing and receding) contact angles of a water droplet on the fabricated SH surfaces are in good agreement with the theoretical prediction of Cassie-Baxter contact angles. Furthermore, after a one-year-long shelf time, the SH substrates fabricated sustain good superhydrophobicity after ultrasonic water treatment and against several chemical droplets. All of these methods are simple, cost-effective, and highly efficient processes. The processes, design principle, and contact angle measurements presented here are useful for preparing transparent and superhydrophobic surfaces using additive manufacturing, which enables large-scale production and promisingly expands the application scope of utilizing self-cleaning superhydrophobic material.
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Affiliation(s)
- Ahmed Aldhaleai
- Mechanical Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Peichun Amy Tsai
- Mechanical Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
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Chen J, Yin JL, Li B, Ye Z, Liu D, Ding D, Qian F, Myung NV, Zhang Q, Yin Y. Janus Evaporators with Self-Recovering Hydrophobicity for Salt-Rejecting Interfacial Solar Desalination. ACS NANO 2020; 14:17419-17427. [PMID: 33205947 DOI: 10.1021/acsnano.0c07677] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The recent advancements in interfacial evaporation of salty water using renewable solar energy provide one of the promising pathways to solve worldwide water scarcity. Pursuing a stable evaporation rate of water has been the central focus of this field, as it is directly related to the throughput, while salt deposition on the evaporator becomes a critical issue. Although Janus-structured evaporators with an upper hydrophobic layer and a bottom hydrophilic layer have been demonstrated as an effective way to suppress the salt precipitation, the hydrophobic upper layer, achieved usually by some special organic groups, suffers from a photochemical oxidation when exposed to oxidative chemicals in water and high-energy light, resulting in a deteriorated surface hydrophobicity. Here, we report our design of an efficient salt-rejecting Janus evaporator by taking advantage of the self-recovering surface hydrophobicity of poly(dimethylsiloxane) (PDMS) against photochemical damages, which ensures a long-term surface hydrophobicity. With its upper layer partially covered with PDMS, the Janus evaporator demonstrates an excellent salt rejection capability and exhibits a stable evaporation rate of 1.38 kg·m-2·h-1 under 1 sun illumination for 400 min of continuous operation, or 90 d of intermittent work. By combining the advantages of high structural integration, long-term salt-rejection, and efficient evaporation, our Janus evaporator holds great promise for the stable production of clean water from seawater.
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Affiliation(s)
- Jinxing Chen
- Department of Chemistry, University of California, Riverside, California 92521, United States
- Institute of Functional Nano & Soft Materials, Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Jessica Lujia Yin
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Bo Li
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Zuyang Ye
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Dilong Liu
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Deng Ding
- Department of Chemical and Environmental Engineering, University of California, Riverside, California 92521, United States
| | - Fang Qian
- Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, California 94550, United States
| | - Nosang Vincent Myung
- Department of Chemical and Environmental Engineering, University of California, Riverside, California 92521, United States
| | - Qiao Zhang
- Institute of Functional Nano & Soft Materials, Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, P. R. China
| | - Yadong Yin
- Department of Chemistry, University of California, Riverside, California 92521, United States
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Qi D, Liu Y, Liu Y, Liu Z, Luo Y, Xu H, Zhou X, Zhang J, Yang H, Wang W, Chen X. Polymeric Membranes with Selective Solution-Diffusion for Intercepting Volatile Organic Compounds during Solar-Driven Water Remediation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2004401. [PMID: 33169447 DOI: 10.1002/adma.202004401] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/08/2020] [Indexed: 06/11/2023]
Abstract
Solar evaporation through a photothermal porous material provides a feasible and sustainable method for water remediation. Several photothermal materials have been developed to enhance solar evaporation efficiency. However, a critical limitation of current photothermal materials is their inability to separate water from the volatile organic compounds (VOCs) present in wastewater. Here, a microstructured ultrathin polymeric membrane that enables freshwater separation from VOC pollutants by solar evaporation with a VOC removal rate of 90%, is reported. The different solution-diffusion behaviors of water and VOCs with polymeric membranes facilitate their separation. Moreover, owing to increased light absorption, enlarged liquid-air interface, and shortened mass transfer distance, the microstructured and ultrathin configuration of the membrane helps to balance the tradeoff between permeation selectivity and water production capacity. The membrane is not only effective for evaporation of simulated volatile pollutants in a prototype, but can also intercept complex volatile organic contaminants in natural water sources and produce water that meets drinking-water standards. With practical demonstration and satisfactory purification performance, this work paves the way for practical application of solar evaporation for effective water remediation.
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Affiliation(s)
- Dianpeng Qi
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Urban Water Resource and Environments, Harbin Institute of Technology, Harbin, 150090, China
| | - Yan Liu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Urban Water Resource and Environments, Harbin Institute of Technology, Harbin, 150090, China
| | - Yuanbin Liu
- Key Laboratory for Thermal Science and Power Engineering of the Ministry of Education, Department of Engineering Mechanics, Tsinghua University, Beijing, 100084, China
| | - Zhiyuan Liu
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Yifei Luo
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Hongbo Xu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Urban Water Resource and Environments, Harbin Institute of Technology, Harbin, 150090, China
| | - Xin Zhou
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Urban Water Resource and Environments, Harbin Institute of Technology, Harbin, 150090, China
| | - Jingjing Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Urban Water Resource and Environments, Harbin Institute of Technology, Harbin, 150090, China
| | - Hui Yang
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Wei Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, State Key Laboratory of Urban Water Resource and Environments, Harbin Institute of Technology, Harbin, 150090, China
| | - Xiaodong Chen
- Innovative Center for Flexible Devices (iFLEX), Max Planck-NTU Joint Lab for Artificial Senses, School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
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40
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Wang F, Hu Z, Fan Y, Bai W, Wu S, Sun H, Zhu Z, Liang W, Li A. Salt‐Rejection Solar Absorbers Based on Porous Ionic Polymers Nanowires for Desalination. Macromol Rapid Commun 2020; 42:e2000536. [DOI: 10.1002/marc.202000536] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/18/2020] [Indexed: 12/31/2022]
Affiliation(s)
- Fei Wang
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - Zhentao Hu
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - Yukang Fan
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - Wei Bai
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - Shujuan Wu
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - Hanxue Sun
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - Zhaoqi Zhu
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - Weidong Liang
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
| | - An Li
- College of Petrochemical Technology Lanzhou University of Technology Langongping Road 287 Lanzhou 730050 P. R. China
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Sutar RS, Latthe SS, Sargar AM, Patil CE, Jadhav VS, Patil AN, Kokate KK, Bhosale AK, Sadasivuni KK, Mohite SV, Liu S, Xing R. Spray Deposition of PDMS/Candle Soot NPs Composite for Self‐Cleaning Superhydrophobic Coating. ACTA ACUST UNITED AC 2020. [DOI: 10.1002/masy.202000031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rajaram S. Sutar
- Self‐cleaning Research Laboratory, Department of Physics, Raje Ramrao College Affiliated to Shivaji University, Kolhapur Jath Maharashtra India
| | - Sanjay S. Latthe
- Henan Key Laboratory of Polyoxometalate Chemistry, Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering Henan University Kaifeng P. R. China
- Self‐cleaning Research Laboratory, Department of Physics, Raje Ramrao College Affiliated to Shivaji University, Kolhapur Jath Maharashtra India
| | - A. M. Sargar
- Department of Chemistry Bharti Vidyapeeth's Dr. Patangrao Kadam Mahavidyalaya Sangli Maharashtra India
| | - C. E. Patil
- Department of Physics Bharti Vidyapeeth's Dr. Patangrao Kadam Mahavidyalaya Sangli Maharashtra India
| | - V. S. Jadhav
- Department of Zoology Raje Ramrao College Jath Maharashtra India
| | - A. N. Patil
- Smt. A. R. Patil Kanya Mahavidyalaya, Ichalkaranji Kolhapur Maharashtra India
| | - K. K. Kokate
- School of Chemistry MIT World Peace University. Kothrud Pune Maharashtra India
| | - Appasaheb K. Bhosale
- Self‐cleaning Research Laboratory, Department of Physics, Raje Ramrao College Affiliated to Shivaji University, Kolhapur Jath Maharashtra India
| | | | - Santosh V. Mohite
- Henan Key Laboratory of Polyoxometalate Chemistry, Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering Henan University Kaifeng P. R. China
| | - Shanhu Liu
- Henan Key Laboratory of Polyoxometalate Chemistry, Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering Henan University Kaifeng P. R. China
| | - Ruimin Xing
- Henan Key Laboratory of Polyoxometalate Chemistry, Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering Henan University Kaifeng P. R. China
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Li Q, Zhao X, Li L, Hu T, Yang Y, Zhang J. Facile preparation of polydimethylsiloxane/carbon nanotubes modified melamine solar evaporators for efficient steam generation and desalination. J Colloid Interface Sci 2020; 584:602-609. [PMID: 33160185 DOI: 10.1016/j.jcis.2020.10.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 10/01/2020] [Accepted: 10/03/2020] [Indexed: 11/19/2022]
Abstract
Solar driven interfacial evaporation has received extensive attention as a very promising desalination technique to solve the fresh water shortage crisis. However, salt-fouling and poor stability during long-term solar desalination seriously hinder applications of solar evaporators. In addition, most of the reported evaporators rely on expensive materials and complex preparation processes. Here, we report facile preparation of polydimethylsiloxane/carbon nanotubes (PDMS/CNTs) modified melamine solar evaporators for efficient steam generation and desalination. The elastic solar evaporators feature (i) macroporous network with rough skeleton owing to phase separation of PDMS, high solar absorbance (99%) and excellent photothermal performance, low thermal conductivity (0.032 W m-1 K-1), and (iii) unique wettability (hydrophobic upper surface and hydrophilic lower part). Consequently, the evaporators have an evaporation rate of 1.44 kg m-2 h-1 and a solar-to-vapor conversion efficiency of 84% for solar evaporation of deionized water under 1 sun illumination. Interestingly, the evaporators show similar solar evaporation performance for saline water compared to deionized water. Moreover, the evaporators show excellent salt-resistance and stability during long-term continuous solar desalination owing to rapid water replenishment in the evaporators. The evaporators may find practical applications in solar desalination because of the merits of the evaporators and the simple preparation method.
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Affiliation(s)
- Qingwei Li
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, PR China; Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, PR China
| | - Xia Zhao
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, PR China
| | - Lingxiao Li
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, PR China.
| | - Tao Hu
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, PR China
| | - Yanfei Yang
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, PR China
| | - Junping Zhang
- Center of Eco-Material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, PR China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, PR China.
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Xu H, Fan S, Lu Y, Feng H, Qiu J. Proposal and Verification of a Novel Superhydrophobic-Conductive Anti-Corrosion Polyaniline-Silica Coating. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20200051] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Haidong Xu
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Suohong Fan
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Yong Lu
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Huixia Feng
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
| | - Jianhui Qiu
- Faculty of Systems Science and Technology, Akita Prefectural University, Yurihonjo, Akita 015-0055, Japan
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Baffou G, Cichos F, Quidant R. Applications and challenges of thermoplasmonics. NATURE MATERIALS 2020; 19:946-958. [PMID: 32807918 DOI: 10.1038/s41563-020-0740-6] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 06/08/2020] [Indexed: 05/18/2023]
Abstract
Over the past two decades, there has been a growing interest in the use of plasmonic nanoparticles as sources of heat remotely controlled by light, giving rise to the field of thermoplasmonics. The ability to release heat on the nanoscale has already impacted a broad range of research activities, from biomedicine to imaging and catalysis. Thermoplasmonics is now entering an important phase: some applications have engaged in an industrial stage, while others, originally full of promise, experience some difficulty in reaching their potential. Meanwhile, innovative fundamental areas of research are being developed. In this Review, we scrutinize the current research landscape in thermoplasmonics, with a specific focus on its applications and main challenges in many different fields of science, including nanomedicine, cell biology, photothermal and hot-electron chemistry, solar light harvesting, soft matter and nanofluidics.
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Affiliation(s)
- Guillaume Baffou
- Institut Fresnel, CNRS, Aix Marseille University, Ecole Centrale Marseille, Marseille, France.
| | - Frank Cichos
- Molecular Nanophotonics Group, Peter Debye Institute for Soft Matter Physics, Universität Leipzig, Leipzig, Germany.
| | - Romain Quidant
- ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Barcelona, Spain.
- ICREA - Institució Catalana de Recerca i Estudis Avançats, Barcelona, Spain.
- Nanophotonic Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Zurich, Switzerland.
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Jang H, Choi J, Lee H, Jeon S. Corrugated Wood Fabricated Using Laser-Induced Graphitization for Salt-Resistant Solar Steam Generation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:30320-30327. [PMID: 32515942 DOI: 10.1021/acsami.0c05138] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We developed a novel solar steam generator (SSG) with high solar conversion efficiency and excellent salt resistance. A CO2 laser was used to convert the surface of basswood to graphitic carbon layers (GCL), and various grid patterns of GCL were created on wood. The low thermal conductivity of wood suppressed heat loss to bulk water, and the presence of the grooves in the grid increased the evaporation rate by increasing the surface area to absorb more sunlight. In addition, the supply of bulk water through the grooves endowed the SSG with salt resistance and self-regeneration properties. The salt resistance was maintained in a 20-wt % NaCl solution for the duration of the experiment (2 weeks), which indicates that the developed SSG can be used in saline water for long-term operation.
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Affiliation(s)
- Hansol Jang
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Pohang, Gyeongbuk 37673, Republic of Korea
| | - Jihun Choi
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Pohang, Gyeongbuk 37673, Republic of Korea
| | - Hansol Lee
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Pohang, Gyeongbuk 37673, Republic of Korea
| | - Sangmin Jeon
- Department of Chemical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-Ro, Pohang, Gyeongbuk 37673, Republic of Korea
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Li H, Yan Z, Li Y, Hong W. Latest development in salt removal from solar-driven interfacial saline water evaporators: Advanced strategies and challenges. WATER RESEARCH 2020; 177:115770. [PMID: 32305700 DOI: 10.1016/j.watres.2020.115770] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 03/22/2020] [Accepted: 03/29/2020] [Indexed: 06/11/2023]
Abstract
Solar-driven interfacial water evaporation, which gets rid of the limitation of saline waters, enables to supply potable water in the worldwide, especially in remote areas where only solar energy and water are available. This technique has also exhibited great potential applications in fields such as seawater desalination, steam sterilization, and fuel production. However, the evaporation efficiency decreases during continuous operation in saline water due to the blockage of the solar absorber resulting from crystalline salt deposition. Therefore, it is still a great challenge to design a stable and efficient solar-driven interfacial saline water evaporator. Herein, a variety of structural designs and engineering strategies for salt removal of evaporators in the latest years were reviewed. We classified these strategies as remaining unsaturated evaporation of saline water, preventing salt ions from contacting the solar absorber, dissolving and/or migrating back of crystalline salts, and keeping salt crystallization away from evaporation area. Finally, the current challenges and future research opportunities were discussed. The purpose of this review was: (1) to provide ideas to solve the problem of the reduced efficiency causing by salt deposition during saline water evaporation and (2) to promote the application of solar-driven interfacial saline water evaporation technology by providing the latest achievements in structural designs for salt removal.
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Affiliation(s)
- Haoran Li
- School of Energy and Power Engineering, Northeast Electric Power University, Jilin, 132012, People's Republic of China.
| | - Zhe Yan
- School of Energy and Power Engineering, Northeast Electric Power University, Jilin, 132012, People's Republic of China
| | - Yan Li
- School of Energy and Power Engineering, Northeast Electric Power University, Jilin, 132012, People's Republic of China
| | - Wenpeng Hong
- School of Energy and Power Engineering, Northeast Electric Power University, Jilin, 132012, People's Republic of China
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Wang L, Liu C, Wang H, Xu Y, Ma S, Zhuang Y, Xu W, Cui W, Yang H. Three-Dimensional Wood-Inspired Bilayer Membrane Device Containing Microchannels for Highly Efficient Solar Steam Generation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:24328-24338. [PMID: 32379963 DOI: 10.1021/acsami.0c04740] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A three-dimensional solar steam generation device with a high water evaporation rate and excellent structural stability was developed and characterized. The design consisted of a bilayer membrane composed of polyacrylonitrile (PAN) and PAN/graphene oxide (GO) segments and contained vertically aligned porous structures similar to that of wood. This distinctive design was used to improve the water evaporation rate by increasing the light absorption and specific surface area. The prepared bilayer membrane exhibited excellent water wicking and flux, and it could continuously supply water from the bottom of the solar steam generation device to the top surface. The device's performance was evaluated by exposing the PAN/GO surface to artificial sunlight with a density of 1, 5, and 10 kW m-2. The water evaporation rate and steam generation efficiency for the PAN and PAN/GO bilayer membrane were found to be 2.27 kg m-2 h-1 and 92.63% at a power density of 1 kW m-2, respectively. Owing to its facile fabrication, hierarchical pore structure, excellent mechanical and water wicking, and high efficiency, the special bilayer composite device has great potential for solar steam generation and desalination applications in resource-limited settings.
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Zhang Y, Xiong T, Nandakumar DK, Tan SC. Structure Architecting for Salt-Rejecting Solar Interfacial Desalination to Achieve High-Performance Evaporation With In Situ Energy Generation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1903478. [PMID: 32382483 PMCID: PMC7201268 DOI: 10.1002/advs.201903478] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/20/2020] [Accepted: 02/20/2020] [Indexed: 05/24/2023]
Abstract
The past few years have witnessed a rapid development of solar-driven interfacial evaporation, a promising technology for low-cost water desalination. As of today, solar-to-steam conversion efficiencies close to 100% or even beyond the limit are becoming increasingly achievable in virtue of unique photothermal materials and structures. Herein, the cutting-edge approaches are summarized, and their mechanisms for photothermal structure architecting are uncovered in order to achieve ultrahigh conversion efficiency. Design principles to enhance evaporation performance and currently available salt-rejection strategies for long-term desalination are systematically investigated. The guidelines to utilize every component in solar desalination systems for simultaneous in situ energy generation are also revealed. Finally, opportunities and challenges for future works in this field are also discussed and concluded.
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Affiliation(s)
- Yaoxin Zhang
- Department of Materials Science and EngineeringNational University of Singapore9 Engineering drive 1Singapore117574Singapore
| | - Ting Xiong
- Department of Materials Science and EngineeringNational University of Singapore9 Engineering drive 1Singapore117574Singapore
| | - Dilip Krishna Nandakumar
- Department of Materials Science and EngineeringNational University of Singapore9 Engineering drive 1Singapore117574Singapore
| | - Swee Ching Tan
- Department of Materials Science and EngineeringNational University of Singapore9 Engineering drive 1Singapore117574Singapore
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Freshwater production via efficient oil-water separation and solar-assisted water evaporation using black titanium oxide nanoparticles. J Colloid Interface Sci 2020; 566:183-193. [PMID: 32004958 DOI: 10.1016/j.jcis.2020.01.079] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/19/2020] [Accepted: 01/20/2020] [Indexed: 01/23/2023]
Abstract
Fabrication of a multipurpose superhydrophobic mesh via modification of a galvanized steel mess using black titanium oxide nanoparticles and perfluorodecyltriethoxysilane is reported. Modified mesh exhibits superhydrophobicity with a water static contact angle of 157° ± 2 along with a tilt angle of 5° ± 1 and suitable chemical, thermal, mechanical stability, and self-cleaning ability. The droplet dynamic behavior of superhydrophobic mesh revels the impact velocity is 1.5 ms-1 for splashing of the water droplet. The developed mesh is studied for freshwater generation from oily water and seawater via efficient oil-water separation and solar evaporation, respectively. A proficiency of 99% and 88% is achieved for oil-water separation from mixture and emulsion, respectively. Solar evaporation efficiency of 64% and 76% are recorded under low-intensity light (225 Wm-2) and natural sunlight (591 Wm-2), respectively, from distilled water. For seawater, the evaporation efficiency of 69% is achieved under natural sunlight. Present approach can be applied to any size and shape of the mesh and has great industrial applications.
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He J, Zhang Z, Xiao C, Liu F, Sun H, Zhu Z, Liang W, Li A. High-Performance Salt-Rejecting and Cost-Effective Superhydrophilic Porous Monolithic Polymer Foam for Solar Steam Generation. ACS APPLIED MATERIALS & INTERFACES 2020; 12:16308-16318. [PMID: 32174098 DOI: 10.1021/acsami.9b22832] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Direct solar desalination with excellent solar photothermal efficiency, lower cost, and extended generator device lifetime is beneficial to increase potable water supplies. To address fundamental challenges in direct solar desalination, herein, we present a new and facile method for the scalable fabrication of the polymer porous foam (VMP) as salt-resistant photothermal materials, which was synthesized through a one-step hydrothermal method using styrene and 1-vinyl-3-ethylimidazolium tetrafluoroborate as monomers and N,N'-methylenebisacrylamide as the cross-linking agent. The as-resulted VMP shows excellent mechanical properties which could have a compression strain of 30%, resulting in its superior processability for practical operation. In addition, by taking advantage of its inherent low density, well-controlled porous structure (porosity is 73.81%), and extremely low thermal conductivity (0.03204 W m-1 K-1), the VMP exhibits an excellent solar evaporation property, and the solar photothermal efficiency can reach more than 88% under 1 kW m-2 irradiation. Moreover, the introduction of ionic liquid moiety (imidazolium tetrafluoroborate) into VMP results in its interesting superhydrophilic wettability, which can accelerate water transportation (wetting in 5s) and resolve the crystalline salt within 1.13 h. In addition, the interconnected macropores of the VMP, as water channels, can replenish the vaporized brine on the surface to prevent salt from adhering. The VMP shows a salt-resistant performance, for example, its solar evaporation efficiency remains nearly unchanged after 6 h duration under 1 sun irradiation. Based on its simple and cost-effective manufacturing process, excellent solar photothermal efficiency, and salt resistance, our VMP may be a promising candidate as photothermal materials for practical desalination from seawater and other wastewater.
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Affiliation(s)
- Jingxian He
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
- School of Chemistry and Chemical Engineering, Lanzhou City University, Jiefang Road 11, Lanzhou 730070, P. R. China
| | - Zheng Zhang
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Chaohu Xiao
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Fang Liu
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Hanxue Sun
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Zhaoqi Zhu
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - Weidong Liang
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
| | - An Li
- College of Petrochemical Technology, Lanzhou University of Technology, Langongping Road 287, Lanzhou 730050, P. R. China
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