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Gao L, Tian Y, Hussain A, Guan Y, Xu G. Recent developments and challenges in resistance-based hydrogen gas sensors based on metal oxide semiconductors. Anal Bioanal Chem 2024; 416:3697-3715. [PMID: 38443743 DOI: 10.1007/s00216-024-05213-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/15/2024] [Accepted: 02/19/2024] [Indexed: 03/07/2024]
Abstract
In recent years, the energy crisis has made the world realize the importance and need for green energy. Hydrogen safety has always been a primary issue that needs to be addressed for the application and large-scale commercialization of hydrogen energy, and precise and rapid hydrogen gas sensing technology and equipment are important prerequisites for ensuring hydrogen safety. Based on metal oxide semiconductors (MOS), resistive hydrogen gas sensors (HGS) offer advantages, such as low cost, low power consumption, and high sensitivity. They are also easy to test, integrate, and suitable for detecting low concentrations of hydrogen gas in ambient air. Therefore, they are considered one of the most promising HGS. This article provides a comprehensive review of the surface reaction mechanisms and recent research progress in optimizing the gas sensing performance of MOS-based resistive hydrogen gas sensors (MOS-R-HGS). Particularly, the advancements in metal-assisted or doped MOS, mixed metal oxide (MO)-MOS composites, MOS-carbon composites, and metal-organic framework-derived (MOF)-MOS composites are extensively summarized. Finally, the future research directions and possibilities in this field are discussed.
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Affiliation(s)
- Lili Gao
- School of Materials Science and Engineering, Shenyang Jianzhu University, Shenyang, 110168, China.
| | - Ye Tian
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, People's Republic of China.
| | - Altaf Hussain
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, People's Republic of China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, No. 96 Jinzhai Road, Hefei, Anhui, 230026, People's Republic of China
| | - Yiran Guan
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, People's Republic of China
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, People's Republic of China.
- School of Applied Chemistry and Engineering, University of Science and Technology of China, No. 96 Jinzhai Road, Hefei, Anhui, 230026, People's Republic of China.
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2
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Shen Y, Liu Y, Fan C, Wang Q, Li M, Yang Z, Gao L. Enhanced Acetone Sensing Properties Based on Au-Pd Decorated ZnO Nanorod Gas Sensor. SENSORS (BASEL, SWITZERLAND) 2024; 24:2110. [PMID: 38610323 PMCID: PMC11014327 DOI: 10.3390/s24072110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024]
Abstract
The mature processes of metal oxide semiconductors (MOS) have attracted considerable interest. However, the low sensitivity of metal oxide semiconductor gas sensors is still challenging, and constrains its practical applications. Bimetallic nanoparticles are of interest owing to their excellent catalytic properties. This excellent feature of bimetallic nanoparticles can solve the problems existing in MOS gas sensors, such as the low response, high operating temperature and slow response time. To enhance acetone sensing performance, we successfully synthesized Au-Pd/ZnO nanorods. In this work, we discovered that Au-Pd nanoparticles modified on ZnO nanorods can remarkably enhance sensor response. The Au-Pd/ZnO gas sensor has long-term stability and an excellent response/recovery process. This excellent sensing performance is attributed to the synergistic catalytic effect of bimetallic AuPd nanoparticles. Moreover, the electronic and chemical sensitization of noble metals also makes a great contribution. This work presents a simple method for preparing Au-Pd/ZnO nanorods and provides a new solution for the detection of acetone based on metal oxide semiconductor.
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Affiliation(s)
- Yinfeng Shen
- State Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.S.); (Y.L.); (M.L.)
| | - Yiping Liu
- State Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.S.); (Y.L.); (M.L.)
| | - Chao Fan
- Key Laboratory of Thin Film and Microfabrication (Ministry of Education), Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Qudong Wang
- National Engineering Research Center of Light Alloy Net Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Ming Li
- State Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.S.); (Y.L.); (M.L.)
| | - Zhi Yang
- Key Laboratory of Thin Film and Microfabrication (Ministry of Education), Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Liming Gao
- State Key Laboratory of Metal Matrix Composites, School of Material Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.S.); (Y.L.); (M.L.)
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3
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Barzkar A, Beni AS. Fe 3O 4@C@MCM41-guanidine core-shell nanostructures as a powerful and recyclable nanocatalyst with high performance for synthesis of Knoevenagel reaction. Sci Rep 2023; 13:10336. [PMID: 37365219 DOI: 10.1038/s41598-023-36352-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 06/01/2023] [Indexed: 06/28/2023] Open
Abstract
In this study, preparation, characterization and catalytic application of a novel core-shell structured magnetic with carbon and mesoporous silica shells supported guanidine (Fe3O4@C@MCM41-guanidine) are developed. The Fe3O4@C@MCM41-guanidine was prepared via surfactant directed hydrolysis and condensation of tetraethyl orthosilicate around Fe3O4@C NPs followed by treatment with guanidinium chloride. This nanocomposite was characterized by using Fourier transform infrared spectroscopy, vibrating sample magnetometry, scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, thermal gravimetric analysis, wide-angle X-ray diffraction and low-angle X-ray diffraction techniques. This nanocomposite have high thermal, chemical stability, and uniform size. Fe3O4@C@MCM41-guanidine catalyst demonstrated high yield (91-98%) to prepare of Knoevenagel derivatives under the solvent free conditions at room temperature in the shortest time. Also, this catalyst was recovered and reused 10 times without significant decrease in efficiency and stability. Fortunately, an excellent level of yield (98-82%) was observed in the 10 consecutive catalyst cycles.
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Affiliation(s)
- Aliyeh Barzkar
- Department of Chemistry, Faculty of Science, Yasouj University, Yasouj, 75918-74831, Iran
| | - Alireza Salimi Beni
- Department of Chemistry, Faculty of Science, Yasouj University, Yasouj, 75918-74831, Iran.
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4
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Wang S, Cao J, Zhao Y, Liu X, Guo Y, Chen J, Wang W, Zhang R, Zhang Y, Liu X, Fu Q. Influence of Pt or Au doping on improving the detection of CO by ZnO: A first-principles calculations study. Chem Phys 2023. [DOI: 10.1016/j.chemphys.2023.111908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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5
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Fiorenza R, Spitaleri L, Perricelli F, Nicotra G, Fragalà ME, Scirè S, Gulino A. Efficient photocatalytic oxidation of VOCs using ZnO@Au nanoparticles. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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6
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Zhao C, Shen J, Xu S, Wei J, Liu H, Xie S, Pan Y, Zhao Y, Zhu Y. Ultra-efficient trimethylamine gas sensor based on Au nanoparticles sensitized WO3 nanosheets for rapid assessment of seafood freshness. Food Chem 2022; 392:133318. [DOI: 10.1016/j.foodchem.2022.133318] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 04/29/2022] [Accepted: 05/24/2022] [Indexed: 11/04/2022]
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Enhanced Response for Foodborne Pathogens Detection by Au Nanoparticles Decorated ZnO Nanosheets Gas Sensor. BIOSENSORS 2022; 12:bios12100803. [PMID: 36290940 PMCID: PMC9599186 DOI: 10.3390/bios12100803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 12/01/2022]
Abstract
Listeria monocytogenes is a hazardous foodborne pathogen that is able to cause acute meningitis, encephalitis, and sepsis to humans. The efficient detection of 3-hydroxy-2-butanone, which has been verified as a biomarker for the exhalation of Listeria monocytogenes, can feasibly evaluate whether the bacteria are contained in food. Herein, we developed an outstanding 3-hydroxy-2-butanone gas sensor based on the microelectromechanical systems using Au/ZnO NS as a sensing material. In this work, ZnO nanosheets were synthesized by a hydrothermal reaction, and Au nanoparticles (~5.5 nm) were prepared via an oleylamine reduction method. Then, an ultrasonic treatment was carried out to modified Au nanoparticles onto ZnO nanosheets. The XRD, BET, TEM, and XPS were used to characterize their morphology, microstructure, catalytic structure, specific surface area, and chemical composition. The response of the 1.0% Au/ZnO NS sensors vs. 25 ppm 3-hydroxy-2-butanone was up to 174.04 at 230 °C. Moreover, these sensors presented fast response/recovery time (6 s/7 s), great selectivity, and an outstanding limit of detection (lower than 0.5 ppm). This work is full of promise for developing a nondestructive, rapid and practical sensor, which would improve Listeria monocytogenes evaluation in foods.
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Prakash C, Chaurasiya R, Kale AJ, Dixit A. Low-Temperature Highly Robust Hydrogen Sensor Using Pristine ZnO Nanorods with Enhanced Response and Selectivity. ACS OMEGA 2022; 7:28206-28216. [PMID: 35990479 PMCID: PMC9386818 DOI: 10.1021/acsomega.2c02510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
We report the hydrogen-sensing response on low-cost-solution-derived ZnO nanorods (NRs) on a glass substrate, integrated with aluminum as interdigitated electrodes (IDEs). The hydrothermally grown ZnO NRs on ZnO seed-layer-glass substrates are vertically aligned and highly textured along the c-axis (002 plane) with texture coefficient ∼2.3. An optimal hydrogen-sensing response of about 21.46% is observed for 150 ppm at 150 °C, which is higher than the responses at 100 and 50 °C, which are ∼12.98 and ∼10.36%, respectively. This can be attributed to the large surface area of ∼14.51 m2/g and pore volume of ∼0.013 cm3/g, associated with NRs and related defects, especially oxygen vacancies in pristine ZnO nanorods. The selective nature is investigated with different oxidizing and reducing gases like NO2, CO, H2S, and NH3, showing relatively much lower ∼4.28, 3.42, 6.43, and 3.51% responses, respectively, at 50 °C for 50 ppm gas concentration. The impedance measurements also substantiate the same as the observed surface resistance is initially more than bulk, which reduces after introducing the hydrogen gas during sensing measurements. The humidity does not show any significant change in the hydrogen response, which is ∼20.5 ± 1.5% for a large humidity range (from 10 to 65%). More interestingly, the devices are robust against sensing response, showing no significant change after 10 months or even more.
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Chelu M, Chesler P, Anastasescu M, Hornoiu C, Mitrea D, Atkinson I, Brasoveanu C, Moldovan C, Craciun G, Gheorghe M, Gartner M. ZnO/NiO heterostructure-based microsensors used in formaldehyde detection at room temperature: Influence of the sensor operating voltage. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN ELECTRONICS 2022; 33:19998-20011. [PMID: 38625349 PMCID: PMC9364853 DOI: 10.1007/s10854-022-08818-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 07/22/2022] [Indexed: 05/31/2023]
Abstract
Recently the emissions of volatile organic compounds (VOCs) in the atmosphere have increased dramatically with rapid development of urbanization and industry. This led to a large decline in air quality around the world, which resulted in a heavy impact on human health. Therefore, new/cheap detection devices for VOCs are of high interest. Formaldehyde (FA) is a very toxic VOC, which damages the respiratory system even in the smallest doses and short exposure time. Zinc oxide (ZnO)/nickel oxide (NiO) heterostructures were synthesized using an economical route: firstly, NiO was prepared by liquid exfoliation technique and deposited by dip-coating on alumina ceramic transducers with two interdigital gold (Au) electrodes, followed by low-temperature hydrothermal growth of ZnO. The as-prepared sensors were characterized by atomic force microscopy (AFM), scanning electron microscopy (SEM-EDAX), and X-Ray fluorescence (XRF). The response/recovery of ZnO/NiO heterostructure-based microsensors for formaldehyde was investigated at room temperature, in agreement with modern sensing requirements. The sensor operating voltage was varied between 1.5 and 5.0 V direct current (DC), to achieve the best sensor performance.
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Affiliation(s)
- Mariana Chelu
- “Ilie Murgulescu” Institute of Physical Chemistry - Romanian Academy, Splaiul Independentei 202, 060021 Bucharest, Romania
| | - Paul Chesler
- “Ilie Murgulescu” Institute of Physical Chemistry - Romanian Academy, Splaiul Independentei 202, 060021 Bucharest, Romania
| | - Mihai Anastasescu
- “Ilie Murgulescu” Institute of Physical Chemistry - Romanian Academy, Splaiul Independentei 202, 060021 Bucharest, Romania
| | - Cristian Hornoiu
- “Ilie Murgulescu” Institute of Physical Chemistry - Romanian Academy, Splaiul Independentei 202, 060021 Bucharest, Romania
| | - Daiana Mitrea
- “Ilie Murgulescu” Institute of Physical Chemistry - Romanian Academy, Splaiul Independentei 202, 060021 Bucharest, Romania
| | - Irina Atkinson
- “Ilie Murgulescu” Institute of Physical Chemistry - Romanian Academy, Splaiul Independentei 202, 060021 Bucharest, Romania
| | - Costin Brasoveanu
- National Institute for Research and Development in Microtechnologies, Platforma IPRS Baneasa, Strada Erou Iancu Nicolae 126A, 077190 Voluntari, Ilfov Romania
| | - Carmen Moldovan
- National Institute for Research and Development in Microtechnologies, Platforma IPRS Baneasa, Strada Erou Iancu Nicolae 126A, 077190 Voluntari, Ilfov Romania
| | - Gabriel Craciun
- National Institute for Research and Development in Microtechnologies, Platforma IPRS Baneasa, Strada Erou Iancu Nicolae 126A, 077190 Voluntari, Ilfov Romania
| | - Marin Gheorghe
- NANOM MEMS SRL, Strada George Cosbuc 9, 505400 Rasnov, Brasov Romania
| | - Mariuca Gartner
- “Ilie Murgulescu” Institute of Physical Chemistry - Romanian Academy, Splaiul Independentei 202, 060021 Bucharest, Romania
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Suresh Babu K, Padmanaban A, Narayanan V. Surface tuned Au-ZnO nanorods for enhanced electrochemical sensing ability towards the detection of gallic acid. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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11
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Majhi SM, Ali A, Rai P, Greish YE, Alzamly A, Surya SG, Qamhieh N, Mahmoud ST. Metal-organic frameworks for advanced transducer based gas sensors: review and perspectives. NANOSCALE ADVANCES 2022; 4:697-732. [PMID: 36131834 PMCID: PMC9417493 DOI: 10.1039/d1na00798j] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/11/2021] [Indexed: 05/13/2023]
Abstract
The development of gas sensing devices to detect environmentally toxic, hazardous, and volatile organic compounds (VOCs) has witnessed a surge of immense interest over the past few decades, motivated mainly by the significant progress in technological advancements in the gas sensing field. A great deal of research has been dedicated to developing robust, cost-effective, and miniaturized gas sensing platforms with high efficiency. Compared to conventional metal-oxide based gas sensing materials, metal-organic frameworks (MOFs) have garnered tremendous attention in a variety of fields, including the gas sensing field, due to their fascinating features such as high adsorption sites for gas molecules, high porosity, tunable morphologies, structural diversities, and ability of room temperature (RT) sensing. This review summarizes the current advancement in various pristine MOF materials and their composites for different electrical transducer-based gas sensing applications. The review begins with a discussion on the overview of gas sensors, the significance of MOFs, and their scope in the gas sensing field. Next, gas sensing applications are divided into four categories based on different advanced transducers: chemiresistive, capacitive, quartz crystal microbalance (QCM), and organic field-effect transistor (OFET) based gas sensors. Their fundamental concepts, gas sensing ability towards various gases, sensing mechanisms, and their advantages and disadvantages are discussed. Finally, this review is concluded with a summary, existing challenges, and future perspectives.
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Affiliation(s)
- Sanjit Manohar Majhi
- Department of Physics, College of Science, United Arab Emirates University Al-Ain 15551 United Arab Emirates
| | - Ashraf Ali
- Department of Physics, College of Science, United Arab Emirates University Al-Ain 15551 United Arab Emirates
| | | | - Yaser E Greish
- Department of Chemistry, College of Science, United Arab Emirates University Al-Ain 15551 United Arab Emirates
| | - Ahmed Alzamly
- Department of Chemistry, College of Science, United Arab Emirates University Al-Ain 15551 United Arab Emirates
| | - Sandeep G Surya
- Sensors Lab, Advanced Membranes & Porous Materials Center (AMPMC), CEMSE, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Saudi Arabia
- Sensor Group, R&D Section, Dyson Tech. Limited Malmesbury UK
| | - Naser Qamhieh
- Department of Physics, College of Science, United Arab Emirates University Al-Ain 15551 United Arab Emirates
| | - Saleh T Mahmoud
- Department of Physics, College of Science, United Arab Emirates University Al-Ain 15551 United Arab Emirates
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Nahirniak S, Saruhan B. MXene Heterostructures as Perspective Materials for Gas Sensing Applications. SENSORS 2022; 22:s22030972. [PMID: 35161718 PMCID: PMC8838671 DOI: 10.3390/s22030972] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/19/2022] [Accepted: 01/25/2022] [Indexed: 12/14/2022]
Abstract
This paper provides a summary of the recent developments with promising 2D MXene-related materials and gives an outlook for further research on gas sensor applications. The current synthesis routes that are provided in the literature are summarized, and the main properties of MXene compounds have been highlighted. Particular attention has been paid to safe and non-hazardous synthesis approaches for MXene production as 2D materials. The work so far on sensing properties of pure MXenes and MXene-based heterostructures has been considered. Significant improvement of the MXenes sensing performances not only relies on 2D production but also on the formation of MXene heterostructures with other 2D materials, such as graphene, and with metal oxides layers. Despite the limited number of research papers published in this area, recommendations on new strategies to advance MXene heterostructures and composites for gas sensing applications can be driven.
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Bharti K, Sadhu KK. Syntheses of metal oxide-gold nanocomposites for biological applications. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100288] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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14
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Navale S, Mirzaei A, Majhi SM, Kim HW, Kim SS. State-of-the-Art Research on Chemiresistive Gas Sensors in Korea: Emphasis on the Achievements of the Research Labs of Professors Hyoun Woo Kim and Sang Sub Kim. SENSORS (BASEL, SWITZERLAND) 2021; 22:61. [PMID: 35009604 PMCID: PMC8747108 DOI: 10.3390/s22010061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/06/2021] [Accepted: 12/17/2021] [Indexed: 12/19/2022]
Abstract
This review presents the results of cutting-edge research on chemiresistive gas sensors in Korea with a focus on the research activities of the laboratories of Professors Sang Sub Kim and Hyoun Woo Kim. The advances in the synthesis techniques and various strategies to enhance the gas-sensing performances of metal-oxide-, sulfide-, and polymer-based nanomaterials are described. In particular, the gas-sensing characteristics of different types of sensors reported in recent years, including core-shell, self-heated, irradiated, flexible, Si-based, glass, and metal-organic framework sensors, have been reviewed. The most crucial achievements include the optimization of shell thickness in core-shell gas sensors, decrease in applied voltage in self-heated gas sensors to less than 5 V, optimization of irradiation dose to achieve the highest response to gases, and the design of selective and highly flexible gas sensors-based WS2 nanosheets. The underlying sensing mechanisms are discussed in detail. In summary, this review provides an overview of the chemiresistive gas-sensing research activities led by the corresponding authors of this manuscript.
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Affiliation(s)
- Sachin Navale
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, Korea; (S.N.); (S.M.M.)
- The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Korea
- Department of Materials Science and Engineering, Inha University, Incheon 22212, Korea
| | - Ali Mirzaei
- Department of Materials Science and Engineering, Shiraz University of Technology, Shiraz 715557-13876, Iran;
| | - Sanjit Manohar Majhi
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, Korea; (S.N.); (S.M.M.)
- The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Korea
| | - Hyoun Woo Kim
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, Korea; (S.N.); (S.M.M.)
- The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Korea
| | - Sang Sub Kim
- Department of Materials Science and Engineering, Inha University, Incheon 22212, Korea
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Khan FU, Mehmood S, Liu S, Xu W, Shah MN, Zhao X, Ma J, Yang Y, Pan X. A p-n Heterojunction Based Pd/PdO@ZnO Organic Frameworks for High-Sensitivity Room-Temperature Formaldehyde Gas Sensor. Front Chem 2021; 9:742488. [PMID: 34616714 PMCID: PMC8489732 DOI: 10.3389/fchem.2021.742488] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/01/2021] [Indexed: 11/13/2022] Open
Abstract
As formaldehyde is an extremely toxic volatile organic pollutant, a highly sensitive and selective gas sensor for low-concentration formaldehyde monitoring is of great importance. Herein, metal-organic framework (MOF) derived Pd/PdO@ZnO porous nanostructures were synthesized through hydrothermal method followed by calcination processes. Specifically, porous Pd/PdO@ZnO nanomaterials with large surfaces were synthesized using MOFs as sacrificial templates. During the calcination procedure, an optimized temperature of 500°C was used to form a stable structure. More importantly, intensive PdO@ZnO inside the material and composite interface provides lots of p-n heterojunction to efficiently manipulate room temperature sensing performance. As the height of the energy barrier at the junction of PdO@ZnO exponentially influences the sensor resistance, the Pd/PdO@ZnO nanomaterials exhibit high sensitivity (38.57% for 100 ppm) at room temperature for 1-ppm formaldehyde with satisfactory selectivity towards (ammonia, acetone, methanol, and IPA). Besides, due to the catalytic effect of Pd and PdO, the adsorption and desorption of the gas molecules are accelerated, and the response and recovery time is as small as 256 and 264 s, respectively. Therefore, this MOF-driven strategy can prepare metal oxide composites with high surface area, well-defined morphology, and satisfactory room-temperature formaldehyde gas sensing performance for indoor air quality control.
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Affiliation(s)
- Faheem Ullah Khan
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Shahid Mehmood
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Shiliang Liu
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Wei Xu
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Muhammad Naeem Shah
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Xiaojin Zhao
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Junxian Ma
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Yatao Yang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
| | - Xiaofang Pan
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
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Zhang D, Pan W, Zhou L, Yu S. Room-Temperature Benzene Sensing with Au-Doped ZnO Nanorods/Exfoliated WSe 2 Nanosheets and Density Functional Theory Simulations. ACS APPLIED MATERIALS & INTERFACES 2021; 13:33392-33403. [PMID: 34228931 DOI: 10.1021/acsami.1c03884] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A gold-doped zinc oxide (Au-ZnO)/exfoliated tungsten diselenide (exfoliated WSe2) nanocomposite-based gas sensor toward benzene with high sensing properties was demonstrated. Epoxy resin was used as the matrix of the Au-ZnO/exfoliated WSe2 nanocomposite sensor. The straw-shaped Au-ZnO was synthesized by the hydrothermal method, and WSe2 nanosheets (NSs) were prepared via hydrothermal and liquid-phase exfoliation methods. The properties of Au-ZnO/exfoliated WSe2 nanoheterostructures constructed by self-assembly technology have been confirmed via a series of characterization methods. The benzene-sensing performances of sensors were tested at 25 °C. Compared with Au-ZnO, WSe2, and their composites, the Au-ZnO/exfoliated WSe2 sensor has a significant performance improvement, including a higher response and linear fit degree, better selectivity and repeatability, and faster detection rate. The significantly enhanced sensing properties of the Au-ZnO/exfoliated WSe2 sensor can be ascribed to the doping of Au nanoparticles, the increase in the specific surface area and adsorption sites of NSs after exfoliation, and the cooperative interface combination of the ZnO/WSe2 heterojunction. Furthermore, the sensitivity mechanism of the composite sensor to benzene was explored by density functional theory simulations.
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Affiliation(s)
- Dongzhi Zhang
- College of Control Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Wenjing Pan
- College of Control Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Lanjuan Zhou
- College of Control Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
| | - Sujing Yu
- College of Control Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
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17
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Yaqoob U, Younis MI. Chemical Gas Sensors: Recent Developments, Challenges, and the Potential of Machine Learning-A Review. SENSORS (BASEL, SWITZERLAND) 2021; 21:2877. [PMID: 33923937 PMCID: PMC8073537 DOI: 10.3390/s21082877] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 02/04/2023]
Abstract
Nowadays, there is increasing interest in fast, accurate, and highly sensitive smart gas sensors with excellent selectivity boosted by the high demand for environmental safety and healthcare applications. Significant research has been conducted to develop sensors based on novel highly sensitive and selective materials. Computational and experimental studies have been explored in order to identify the key factors in providing the maximum active location for gas molecule adsorption including bandgap tuning through nanostructures, metal/metal oxide catalytic reactions, and nano junction formations. However, there are still great challenges, specifically in terms of selectivity, which raises the need for combining interdisciplinary fields to build smarter and high-performance gas/chemical sensing devices. This review discusses current major gas sensing performance-enhancing methods, their advantages, and limitations, especially in terms of selectivity and long-term stability. The discussion then establishes a case for the use of smart machine learning techniques, which offer effective data processing approaches, for the development of highly selective smart gas sensors. We highlight the effectiveness of static, dynamic, and frequency domain feature extraction techniques. Additionally, cross-validation methods are also covered; in particular, the manipulation of the k-fold cross-validation is discussed to accurately train a model according to the available datasets. We summarize different chemresistive and FET gas sensors and highlight their shortcomings, and then propose the potential of machine learning as a possible and feasible option. The review concludes that machine learning can be very promising in terms of building the future generation of smart, sensitive, and selective sensors.
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Affiliation(s)
| | - Mohammad I. Younis
- Department of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia;
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18
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Majhi SM, Mirzaei A, Navale S, Kim HW, Kim SS. Boosting the sensing properties of resistive-based gas sensors by irradiation techniques: a review. NANOSCALE 2021; 13:4728-4757. [PMID: 33645596 DOI: 10.1039/d0nr08448d] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The ongoing need to detect and monitor hazardous, volatile, and flammable gases has led to the use of gas sensors in several fields to improve safety and health issues. Conductometric type gas sensors, which have considerable advantages over other gas sensors, have thrived in numerous gas sensing fields. The ever-present key challenges and requirements of these sensors are to achieve excellent performance, including high sensitivity, good selectivity, low working temperature, and durability. Therefore, tremendous research effort has focused on improving these properties, and various state-of-the-art techniques have been reported. This review article discusses the recent advances and utilization of various irradiation techniques, including electron-beam, microwave, ion-beam, and gamma-ray irradiation, along with their investigation of the effects on the physicochemical properties of pre-synthesized nanomaterials, sensing performances, and related gas sensing mechanisms. A review of the progress on the effects of different irradiation techniques for boosting the sensing properties can contribute to the evolution of highly reliable sensors to assess the environment and health. For researchers, who work on gas sensors, this paper provides information on the current trends on the advances in the novel state-of-art of irradiated materials and their promising application in the sensitive detection of various toxic and VOCs.
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Affiliation(s)
- Sanjit Manohar Majhi
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, South Korea and The Research Institute of Industrial Science, Hanyang University, Seoul 04763, South Korea. and Department of Materials Science and Engineering, Inha University, Incheon 22212, South Korea.
| | - Ali Mirzaei
- Department of Materials Science and Engineering, Shiraz University of Technology, Shiraz 71557-13876, Iran
| | - Sachin Navale
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, South Korea and The Research Institute of Industrial Science, Hanyang University, Seoul 04763, South Korea. and Department of Materials Science and Engineering, Inha University, Incheon 22212, South Korea.
| | - Hyoun Woo Kim
- Division of Materials Science and Engineering, Hanyang University, Seoul 04763, South Korea and The Research Institute of Industrial Science, Hanyang University, Seoul 04763, South Korea.
| | - Sang Sub Kim
- Department of Materials Science and Engineering, Inha University, Incheon 22212, South Korea.
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19
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Juneja S, Singh J, Thapa R, Soni RK, Bhattacharya J. Improved SERS sensing on biosynthetically grown self-cleaning plasmonic ZnO nano-leaves. NEW J CHEM 2021. [DOI: 10.1039/d1nj02883a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Schematic representation of SERS and self-cleaning features of biosynthetically grown ZA nano-hybrids.
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Affiliation(s)
- Subhavna Juneja
- NanoBiotechnology Lab, School of Biotechnology, Jawaharlal Nehru University, New Mehrauli Road, New Delhi 110067, India
| | - Jaspal Singh
- Laser Spectroscopy Lab, Department of Physics, Indian Institute of Technology, New Delhi 110016, India
| | - Roshni Thapa
- NanoBiotechnology Lab, School of Biotechnology, Jawaharlal Nehru University, New Mehrauli Road, New Delhi 110067, India
| | - R. K. Soni
- Laser Spectroscopy Lab, Department of Physics, Indian Institute of Technology, New Delhi 110016, India
| | - Jaydeep Bhattacharya
- NanoBiotechnology Lab, School of Biotechnology, Jawaharlal Nehru University, New Mehrauli Road, New Delhi 110067, India
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20
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Majhi SM, Mirzaei A, Kim HW, Kim SS, Kim TW. Recent advances in energy-saving chemiresistive gas sensors: A review. NANO ENERGY 2021; 79:105369. [PMID: 32959010 PMCID: PMC7494497 DOI: 10.1016/j.nanoen.2020.105369] [Citation(s) in RCA: 99] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 09/03/2020] [Accepted: 09/07/2020] [Indexed: 05/20/2023]
Abstract
With the tremendous advances in technology, gas-sensing devices are being popularly used in many distinct areas, including indoor environments, industries, aviation, and detectors for various toxic domestic gases and vapors. Even though the most popular type of gas sensor, namely, resistive-based gas sensors, have many advantages over other types of gas sensors, their high working temperatures lead to high energy consumption, thereby limiting their practical applications, especially in mobile and portable devices. As possible ways to deal with the high-power consumption of resistance-based sensors, different strategies such as self-heating, MEMS technology, and room-temperature operation using especial morphologies, have been introduced in recent years. In this review, we discuss different types of energy-saving chemisresitive gas sensors including self-heated gas sensors, MEMS based gas sensors, room temperature operated flexible/wearable sensor and their application in the fields of environmental monitoring. At the end, the review will be concluded by providing a summary, challenges, recent trends, and future perspectives.
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Affiliation(s)
- Sanjit Manohar Majhi
- Division of Materials Science and Engineering, Hanyang University, Seoul, 04763, South Korea
- The Research Institute of Industrial Science, Hanyang University, Seoul, 04763, South Korea
| | - Ali Mirzaei
- Department of Materials Science and Engineering, Shiraz University of Technology, Shiraz, 715557-13876, Iran
| | - Hyoun Woo Kim
- Division of Materials Science and Engineering, Hanyang University, Seoul, 04763, South Korea
- The Research Institute of Industrial Science, Hanyang University, Seoul, 04763, South Korea
| | - Sang Sub Kim
- Department of Materials Science and Engineering, Inha University, Incheon, 22212, South Korea
| | - Tae Whan Kim
- Department of Electronics and Computer Engineering, Hanyang University, Seoul, 04763, South Korea
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21
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Barzkar A, Beni AS. In situ synthesis of SO 3H supported Fe 3O 4@resorcinol-formaldehyde resin core/shell and its catalytic evaluation towards the synthesis of hexahydroquinoline derivatives in green conditions. RSC Adv 2020; 10:41703-41712. [PMID: 35516541 PMCID: PMC9057767 DOI: 10.1039/d0ra06972h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 10/23/2020] [Indexed: 11/21/2022] Open
Abstract
A novel spherically shaped core@double-shell acidic nanocatalyst (Fe3O4@SiO2@RF-SO3H) [RF: resorcinol-formaldehyde resin] was prepared in situ and completely characterized using X-ray diffraction, Fourier transform infrared spectroscopy, vibrating sample magnetometry, energy dispersive X-ray spectroscopy, thermogravimetric analysis, transmission electron microscopy and field-emission scanning electron microscopy. The concentration of H+ loaded on the Fe3O4@SiO2@RF was reported to be 1.3 mmol g-1. The well-defined Fe3O4@SiO2@RF-SO3H core-shell heterostructures exhibited high stability, efficient recyclability (10 cycles), and promoted catalytic activity for one-pot condensation reaction between the aromatic aldehydes, dimedone, malononitrile, and ammonium acetate for the synthesis of hexahydroquinoline derivatives.
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Affiliation(s)
- Aliyeh Barzkar
- Department of Chemistry, Faculty of Science, Yasouj University Yasouj 75918-74831 Iran
| | - Alireza Salimi Beni
- Department of Chemistry, Faculty of Science, Yasouj University Yasouj 75918-74831 Iran
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22
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Feng Li, Ma Q, Yu W, Dong X, Wang J, Liu G. Synthesis and Ethanol Sensing Properties of SnO2 Nanoparticles in SnO2 Nanotubes Composite. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2020. [DOI: 10.1134/s0036024420110242] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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23
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Wang C, Li Y, Gong F, Zhang Y, Fang S, Zhang H. Advances in Doped ZnO Nanostructures for Gas Sensor. CHEM REC 2020; 20:1553-1567. [DOI: 10.1002/tcr.202000088] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/11/2020] [Accepted: 09/14/2020] [Indexed: 12/27/2022]
Affiliation(s)
- Chao‐Nan Wang
- College of Materials and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Yu‐Liang Li
- College of Materials and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Fei‐Long Gong
- College of Materials and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Yong‐Hui Zhang
- College of Materials and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Shao‐Ming Fang
- College of Materials and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Hao‐Li Zhang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC) Key Laboratory of Special Function Materials and Structure Design (MOE) College of Chemistry and Chemical Engineering Lanzhou University Lanzhou 730000 P. R. China
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24
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Pan X, Chen WJ, Cai H, Li H, Sun XJ, Weng B, Yi Z. A redox-active support for the synthesis of Au@SnO 2 core-shell nanostructure and SnO 2 quantum dots with efficient photoactivities. RSC Adv 2020; 10:33955-33961. [PMID: 35519050 PMCID: PMC9056741 DOI: 10.1039/d0ra06175a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 08/28/2020] [Indexed: 11/23/2022] Open
Abstract
A defect pyrochlore-type Sn1.06Nb2O5.59F0.97 (SnNbOF) nano-octahedron is used as a redox-active support for fabricating Au@SnO2 core-shell and SnO2 quantum dots at room temperature without the use of organic species or foreign reducing reagents. Gold (Au) and SnO2 components were obtained through an in situ redox reaction between the HAuCl4 and reductive Sn2+ ions incorporated in SnNbOF. The composition and morphology of the resulting nanocomposites (denoted as Au-SnNbOF) could be controlled by adjusting the Au/SnNbOF ratio. The Au-SnNbOF nanocomposites exhibited efficient photoactivities for methyl orange (MO) degradation under the visible light irradiation (λ > 420 nm), during which the MO was almost completely degraded within 8 min. Among all the samples, the 5wt% Au-SnNbOF nanocomposite had the highest rate constant (0.43 min-1), which was 40 times higher than that of the blank SnNbOF.
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Affiliation(s)
- Xiaoyang Pan
- College of Chemistry and Materials, Quanzhou Normal University Quanzhou 362000 China
| | - Wen-Jie Chen
- College of Chemistry and Materials, Quanzhou Normal University Quanzhou 362000 China
| | - Huizhen Cai
- College of Chemistry and Materials, Quanzhou Normal University Quanzhou 362000 China
| | - Hui Li
- College of Chemistry and Materials, Quanzhou Normal University Quanzhou 362000 China
| | - Xue Jiao Sun
- College of Chemistry and Materials, Quanzhou Normal University Quanzhou 362000 China
| | - Bo Weng
- cMACS, Department of Microbial and Molecular Systems, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Zhiguo Yi
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 China
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25
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Gu F, Di M, Han D, Hong S, Wang Z. Atomically Dispersed Au on In 2O 3 Nanosheets for Highly Sensitive and Selective Detection of Formaldehyde. ACS Sens 2020; 5:2611-2619. [PMID: 32786391 DOI: 10.1021/acssensors.0c01074] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
As an important industrial chemical, formaldehyde is used in various fields but is harmful to health. Developing a convenient detection device for formaldehyde is significant. Based on atomically dispersed Au on In2O3 nanosheets, a formaldehyde sensor was fabricated in this work. The highly dispersed Au obtained by the ultraviolet (UV) light-assisted reduction method helps improve the sensing performance. A meager loading amount (0.01 wt %) of Au on In2O3 nanosheets exhibits high sensitivity toward ppb-level formaldehyde. Au acts as an electron sink and promotes the oxidation of formaldehyde. Atomically dispersed Au on In2O3 nanosheets decreases the activation energy and increases the number of active sites, which result in a highly efficient conversion of formaldehyde and a marked resistance change of the fabricated sensors. The selective adsorption and oxidation of formaldehyde on single atom Au's uniform sites establish excellent selectivity. Besides, the sensor exhibits short response/recovery time and excellent stability, with promising applications in formaldehyde detection.
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Affiliation(s)
- Fubo Gu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Mengyu Di
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Dongmei Han
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Song Hong
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhihua Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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26
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Zhou WD, Dastan D, Li J, Yin XT, Wang Q. Discriminable Sensing Response Behavior to Homogeneous Gases Based on n-ZnO/p-NiO Composites. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E785. [PMID: 32325927 PMCID: PMC7221849 DOI: 10.3390/nano10040785] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 11/16/2022]
Abstract
Metal oxide semiconductor (MOS) gas sensors have the advantages of high sensitivity, short response-recovery time and long-term stability. However, the shortcoming of poor discriminability of homogeneous gases limits their applications in gas sensors. It is well-known that the MOS materials have similar gas sensing responses to homogeneous gases such as CO and H2, so it is difficult for these gas sensors to distinguish the two gases. In this paper, simple sol-gel method was employed to obtain the ZnO-xNiO composites. Gas sensing performance results illustrated that the gas sensing properties of composites with x > 0.425 showed a p-type response to both CO and H2, while the gas sensing properties of composites with x < 0.425 showed an n-type response to both CO and H2. However, it was interesting that ZnO-0.425NiO showed a p-type response to CO but an discriminable response (n-type) to H2, which indicated that modulating the p-type or n-type semiconductor concentration in p-n composites could be an effective method with which to improve the discriminability of this type of gas sensor regarding CO and H2. The phenomenon of the special gas sensing behavior of ZnO-0.425NiO was explained based on the experimental observations and a range of characterization techniques, including XRD, HRTEM and XPS, in detail.
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Affiliation(s)
- Wen-Dong Zhou
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Davoud Dastan
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
| | - Jing Li
- The Key Laboratory of Chemical Metallurgy Engineering of Liaoning Province, University of Science and Technology Liaoning, Anshan 114051, China
| | - Xi-Tao Yin
- The Key Laboratory of Chemical Metallurgy Engineering of Liaoning Province, University of Science and Technology Liaoning, Anshan 114051, China
| | - Qi Wang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
- The Key Laboratory of Chemical Metallurgy Engineering of Liaoning Province, University of Science and Technology Liaoning, Anshan 114051, China
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27
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Shen J, Chen Z, Han S, Zhang H, Xu H, Xu C, Ding Z, Yuan R, Chen J, Long J. Plasmonic Electrons‐Driven Solar‐to‐Hydrocarbon Conversion over Au NR@ZnO Core‐Shell Nanostructures. ChemCatChem 2020. [DOI: 10.1002/cctc.202000390] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jinni Shen
- State Key Laboratory of Photocatalysis on Energy and Environment College of ChemistryFuzhou University Fuzhou 350116 P.R. China
| | - Zhenye Chen
- State Key Laboratory of Photocatalysis on Energy and Environment College of ChemistryFuzhou University Fuzhou 350116 P.R. China
| | - Shitong Han
- State Key Laboratory of NBC Protection for Civilian Beijing 102205 P. R. China
| | - Hongwen Zhang
- State Key Laboratory of Photocatalysis on Energy and Environment College of ChemistryFuzhou University Fuzhou 350116 P.R. China
| | - Hailing Xu
- State Key Laboratory of NBC Protection for Civilian Beijing 102205 P. R. China
| | - Chao Xu
- State Key Laboratory of Photocatalysis on Energy and Environment College of ChemistryFuzhou University Fuzhou 350116 P.R. China
| | - Zhengxin Ding
- State Key Laboratory of Photocatalysis on Energy and Environment College of ChemistryFuzhou University Fuzhou 350116 P.R. China
| | - Rusheng Yuan
- State Key Laboratory of Photocatalysis on Energy and Environment College of ChemistryFuzhou University Fuzhou 350116 P.R. China
| | - Jinquan Chen
- State Key Laboratory of Precision SpectroscopyEast China Normal University Shanghai 200062 P. R. China
| | - Jinlin Long
- State Key Laboratory of Photocatalysis on Energy and Environment College of ChemistryFuzhou University Fuzhou 350116 P.R. China
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28
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Hydrogen Sensing Performance of ZnO Schottky Diodes in Humid Ambient Conditions with PMMA Membrane Layer. SENSORS 2020; 20:s20030835. [PMID: 32033189 PMCID: PMC7038668 DOI: 10.3390/s20030835] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 01/31/2020] [Accepted: 01/31/2020] [Indexed: 12/04/2022]
Abstract
Enhanced hydrogen sensing performance of Pt Schottky diodes on ZnO single crystal wafers in humid ambient conditions is reported using a polymethylmethacrylate (PMMA) membrane layer. ZnO diode sensors showed little change in forward current when switching to wet ambient H2 conditions with 100% relative humidity. This sensitivity drop in the presence of water vapor can be attributed to surface coverage of hydroxyl groups on the Pt surface in humid ambient conditions. The hydrogen sensitivity of PMMA-coated diode sensors recovered up to 805% in wet H2 ambient conditions at room temperature. The PMMA layer can selectively filter water vapor and allow H2 molecules to pass through the membrane layer. It is clear that the PMMA layer can effectively serve as a moisture barrier because of low water vapor permeability and its hydrophobicity. In both dry and wet conditions, ZnO diodes exhibited relatively fast and stable on/off switching in each cycle with good repeatability.
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29
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Peng R, Li Y, Liu T, Sun Q, Si P, Zhang L, Ci L. Reduced graphene oxide/SnO2@Au heterostructure for enhanced ammonia gas sensing. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.136829] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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30
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Dao DV, Adilbish G, Le TD, Nguyen TT, Lee IH, Yu YT. Au@CeO2 nanoparticles supported Pt/C electrocatalyst to improve the removal of CO in methanol oxidation reaction. J Catal 2019. [DOI: 10.1016/j.jcat.2019.07.054] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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31
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Pan X, Zheng J, Zhang L, Yi Z. Core-Shell Au@SnO 2 Nanostructures Supported on Na 2Ti 4O 9 Nanobelts as a Highly Active and Deactivation-Resistant Catalyst toward Selective Nitroaromatics Reduction. Inorg Chem 2019; 58:11164-11171. [PMID: 31379163 DOI: 10.1021/acs.inorgchem.9b01759] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Catalysis using gold (Au) nanoparticles has become an important field of chemistry. However, activity loss caused by aggregation or leaching of Au nanoparticles greatly limits their application in catalytic reaction. Herein, we report a facile and green synthesis of a core-shell Au@SnO2 nanocomposite, exhibiting excellent activity toward selective nitroaromatics reduction under mild conditions. The core-shell Au@SnO2 nanocomposite (Au size = ∼50 nm; shell thickness = ca. 16 nm) is conceived and validated by a direct redox reaction between HAuCl4 and SnF2. Optimization of the core size, shell thickness, and dispersion of Au@SnO2 has been introduced by an alkaline surface supported by negatively charged metal oxide Na2Ti4O9. The as-obtained Au-Sn-Na2Ti4O9 catalyst with much smaller Au cores (ca. 5 nm) and thinner SnO2 nondensed shells (ca. 4 nm) exhibits highly improved catalytic activities for nitro reduction compared to most of the known Au-based catalysts. Moreover, the core-shell Au@SnO2 structure inhibits the leaching and agglomeration of Au nanoparticles and thus leads to superior catalytic durability.
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Affiliation(s)
- Xiaoyang Pan
- College of Chemistry and Materials , Quanzhou Normal University , Quanzhou 362000 , China.,Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of Nanomaterials , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350002 , China
| | - Jing Zheng
- Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of Nanomaterials , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350002 , China
| | - Liuxian Zhang
- Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of Nanomaterials , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350002 , China
| | - Zhiguo Yi
- Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of Nanomaterials , Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou 350002 , China.,Center of Materials Science and Optoelectronics Engineering , University of Chinese Academy of Sciences , Beijing 100049 , China.,State Key Laboratory of High Performance Ceramics and Superfine Microstructure , Shanghai Institute of Ceramics, Chinese Academy of Sciences , Shanghai 200050 , China
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32
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Ahmad R, Majhi SM, Zhang X, Swager TM, Salama KN. Recent progress and perspectives of gas sensors based on vertically oriented ZnO nanomaterials. Adv Colloid Interface Sci 2019; 270:1-27. [PMID: 31154073 DOI: 10.1016/j.cis.2019.05.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 05/03/2019] [Accepted: 05/14/2019] [Indexed: 10/26/2022]
Abstract
Vertically oriented zinc oxide (ZnO) nanomaterials, such as nanorods (NRs), nanowires (NWs), nanotubes (NTs), nanoneedles (NNs), and nanosheets (NSs), are highly ordered architectures that provide remarkable properties for sensors. Furthermore, these nanostructures have fascinating features, including high surface-area-to-volume ratios, high charge carrier concentrations, and many surface-active sites. These features make vertically oriented ZnO nanomaterials exciting candidates for gas sensor fabrication. The development of efficient methods for the production of vertically oriented nanomaterial electrode surfaces has resulted in improved stability, high reproducibility, and gas sensing performance. Moving beyond conventional fabrication processes that include binders and nanomaterial deposition steps has been crucial, as the materials from these processes suffer from poor stability, low reproducibility, and marginal sensing performance. In this feature article, we comprehensively describe vertically oriented ZnO nanomaterials for gas sensing applications. The uses of such nanomaterials for gas sensor fabrication are discussed in the context of ease of growth, stability on an electrode surface, growth reproducibility, and enhancements in device efficiency as a result of their unique and advantageous features. In addition, we summarize applications of gas sensors for a variety of toxic and volatile organic compound (VOC) gases, and we discuss future directions of the vertically oriented ZnO nanomaterials.
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33
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Deka Boruah B. Zinc oxide ultraviolet photodetectors: rapid progress from conventional to self-powered photodetectors. NANOSCALE ADVANCES 2019; 1:2059-2085. [PMID: 36131964 PMCID: PMC9416854 DOI: 10.1039/c9na00130a] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 03/28/2019] [Indexed: 05/14/2023]
Abstract
Currently, the development of ultraviolet (UV) photodetectors (PDs) has attracted the attention of the research community because of the vast range of applications of photodetectors in modern society. A variety of wide-band gap nanomaterials have been utilized for UV detection to achieve higher photosensitivity. Specifically, zinc oxide (ZnO) nanomaterials have attracted significant attention primarily due to their additional properties such as piezo-phototronic and pyro-phototronic effects, which allow the fabrication of high-performance and low power consumption-based UV PDs. This article primarily focuses on the recent development of ZnO nanostructure-based UV PDs ranging from nanomaterials to architectural device design. A brief overview of the photoresponse characteristics of UV PDs and potential ZnO nanostructures is presented. Moreover, the recent development in self-powered PDs and implementation of the piezo-phototronic effect, plasmonic effect and pyro-phototronic effect for performance enhancement is highlighted. Finally, the research perspectives and future research direction related to ZnO nanostructures for next-generation UV PDs are summarized.
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Affiliation(s)
- Buddha Deka Boruah
- Institute for Manufacturing, Department of Engineering, University of Cambridge UK CB3 0FS
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34
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Kalambate PK, Dhanjai, Huang Z, Li Y, Shen Y, Xie M, Huang Y, Srivastava AK. Core@shell nanomaterials based sensing devices: A review. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.04.002] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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35
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Mo Y, Shi F, Qin S, Tang P, Feng Y, Zhao Y, Li D. Facile Fabrication of Mesoporous Hierarchical Co-Doped ZnO for Highly Sensitive Ethanol Detection. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00158] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Yufan Mo
- State Key Laboratory of Chemical Resource Engineering and Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Feng Shi
- State Key Laboratory of Chemical Resource Engineering and Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Shuaiwei Qin
- State Key Laboratory of Chemical Resource Engineering and Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Pinggui Tang
- State Key Laboratory of Chemical Resource Engineering and Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yongjun Feng
- State Key Laboratory of Chemical Resource Engineering and Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Yingying Zhao
- State Key Laboratory of Chemical Resource Engineering and Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Dianqing Li
- State Key Laboratory of Chemical Resource Engineering and Beijing Engineering Center for Hierarchical Catalysts, Beijing University of Chemical Technology, Beijing 100029, P.R. China
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36
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Mesoporous Au@ZnO flower-like nanostructure for enhanced formaldehyde sensing performance. INORG CHEM COMMUN 2019. [DOI: 10.1016/j.inoche.2019.02.031] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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37
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Lin T, Lv X, Hu Z, Xu A, Feng C. Semiconductor Metal Oxides as Chemoresistive Sensors for Detecting Volatile Organic Compounds. SENSORS (BASEL, SWITZERLAND) 2019; 19:E233. [PMID: 30634523 PMCID: PMC6359322 DOI: 10.3390/s19020233] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/20/2018] [Accepted: 01/02/2019] [Indexed: 01/27/2023]
Abstract
Volatile organic compounds (VOCs), which originate from painting, oil refining and vehicle exhaust emissions, are hazardous gases that have significant effects on air quality and human health. The detection of VOCs is of special importance to environmental safety. Among the various detection methods, chemoresistive semiconductor metal oxide gas sensors are considered to be the most promising technique due to their easy production, low cost and good portability. Sensitivity is an important parameter of gas sensors and is greatly affected by the microstructure, defects, catalyst, heterojunction and humidity. By adjusting the aforementioned factors, the sensitivity of gas sensors can be improved further. In this review, attention will be focused on how to improve the sensitivity of chemoresistive gas sensors towards certain common VOCs with respect to the five factors mentioned above.
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Affiliation(s)
- Tingting Lin
- College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, China.
- Key Laboratory of Geophysics Exploration Equipment, Ministry of Education of China, Changchun 130061, China.
| | - Xin Lv
- College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, China.
- Key Laboratory of Geophysics Exploration Equipment, Ministry of Education of China, Changchun 130061, China.
| | - Zhineng Hu
- College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, China.
- Key Laboratory of Geophysics Exploration Equipment, Ministry of Education of China, Changchun 130061, China.
| | - Aoshu Xu
- College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, China.
- Key Laboratory of Geophysics Exploration Equipment, Ministry of Education of China, Changchun 130061, China.
| | - Caihui Feng
- College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, China.
- Key Laboratory of Geophysics Exploration Equipment, Ministry of Education of China, Changchun 130061, China.
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38
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Majhi SM, Lee HJ, Choi HN, Cho HY, Kim JS, Lee CR, Yu YT. Construction of novel hybrid PdO–ZnO p–n heterojunction nanostructures as a high-response sensor for acetaldehyde gas. CrystEngComm 2019. [DOI: 10.1039/c9ce00710e] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile and unique approach to design PdO@ZnO p–n heterojunction nanostructures (NSs) as a highly sensitive and selective acetaldehyde gas sensor.
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Affiliation(s)
- Sanjit Manohar Majhi
- Division of Advanced Materials Engineering and Research Center for Advanced Materials Development
- College of Engineering
- Chonbuk National University
- Jeonju
- South Korea
| | - Hu-Jun Lee
- Division of Advanced Materials Engineering and Research Center for Advanced Materials Development
- College of Engineering
- Chonbuk National University
- Jeonju
- South Korea
| | - Ha-Nui Choi
- Division of Advanced Materials Engineering and Research Center for Advanced Materials Development
- College of Engineering
- Chonbuk National University
- Jeonju
- South Korea
| | - Ha-Young Cho
- Division of Advanced Materials Engineering and Research Center for Advanced Materials Development
- College of Engineering
- Chonbuk National University
- Jeonju
- South Korea
| | - Jin-Soo Kim
- Division of Advanced Materials Engineering and Research Center for Advanced Materials Development
- College of Engineering
- Chonbuk National University
- Jeonju
- South Korea
| | - Cheul-Ro Lee
- Division of Advanced Materials Engineering and Research Center for Advanced Materials Development
- College of Engineering
- Chonbuk National University
- Jeonju
- South Korea
| | - Yeon-Tae Yu
- Division of Advanced Materials Engineering and Research Center for Advanced Materials Development
- College of Engineering
- Chonbuk National University
- Jeonju
- South Korea
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39
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Gong Y, Wu X, Chen J, Li W, Han N, Zhang D, Chen Y. Enhanced gas-sensing performance of metal@ZnO core–shell nanoparticles towards ppb–ppm level benzene: the role of metal–ZnO hetero-interfaces. NEW J CHEM 2019. [DOI: 10.1039/c8nj04621b] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The enhanced gas-sensing performances of metal@ZnO are correlated to the work function differences between the contacted metal and ZnO.
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Affiliation(s)
- Yan Gong
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Xiaofeng Wu
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Jiayuan Chen
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Wenhui Li
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Ning Han
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Donghai Zhang
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Yunfa Chen
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
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40
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A review on chemiresistive room temperature gas sensors based on metal oxide nanostructures, graphene and 2D transition metal dichalcogenides. Mikrochim Acta 2018; 185:213. [DOI: 10.1007/s00604-018-2750-5] [Citation(s) in RCA: 300] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Accepted: 02/26/2018] [Indexed: 02/08/2023]
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41
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Suematsu K, Watanabe K, Tou A, Sun Y, Shimanoe K. Ultraselective Toluene-Gas Sensor: Nanosized Gold Loaded on Zinc Oxide Nanoparticles. Anal Chem 2018; 90:1959-1966. [DOI: 10.1021/acs.analchem.7b04048] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
| | | | | | - Yongjiao Sun
- Micro and Nano System Research Center, Key Lab of Advanced Transducers and Intelligent Control System, Ministry of Education & College of Information Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
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42
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Wang D, Li Z, Zhou J, Fang H, He X, Jena P, Zeng JB, Wang WN. Simultaneous Detection and Removal of Formaldehyde at Room Temperature: Janus Au@ZnO@ZIF-8 Nanoparticles. NANO-MICRO LETTERS 2018; 10:4. [PMID: 30393653 PMCID: PMC6199048 DOI: 10.1007/s40820-017-0158-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Accepted: 09/05/2017] [Indexed: 05/08/2023]
Abstract
The detection and removal of volatile organic compounds (VOCs) are of great importance to reduce the risk of indoor air quality concerns. This study reports the rational synthesis of a dual-functional Janus nanostructure and its feasibility for simultaneous detection and removal of VOCs. The Janus nanostructure was synthesized via an anisotropic growth method, composed of plasmonic nanoparticles, semiconductors, and metal organic frameworks (e.g., Au@ZnO@ZIF-8). It exhibits excellent selective detection to formaldehyde (HCHO, as a representative VOC) at room temperature over a wide range of concentrations (from 0.25 to 100 ppm), even in the presence of water and toluene molecules as interferences. In addition, HCHO was also found to be partially oxidized into non-toxic formic acid simultaneously with detection. The mechanism underlying this technology was unraveled by both experimental measurements and theoretical calculations: ZnO maintains the conductivity, while ZIF-8 improves the selective gas adsorption; the plasmonic effect of Au nanorods enhances the visible-light-driven photocatalysis of ZnO at room temperature.
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Affiliation(s)
- Dawei Wang
- Department of Mechanical & Nuclear Engineering, Virginia Commonwealth University, Richmond, VA, 23219, USA
| | - Zhiwei Li
- Department of Chemistry, University of California, Riverside, CA, 92521, USA
| | - Jian Zhou
- Department of Physics, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Hong Fang
- Department of Physics, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Xiang He
- Department of Mechanical & Nuclear Engineering, Virginia Commonwealth University, Richmond, VA, 23219, USA
| | - Puru Jena
- Department of Physics, Virginia Commonwealth University, Richmond, VA, 23284, USA
| | - Jing-Bin Zeng
- College of Science China University of Petroleum (East China), Qingdao, 266580, People's Republic of China.
| | - Wei-Ning Wang
- Department of Mechanical & Nuclear Engineering, Virginia Commonwealth University, Richmond, VA, 23219, USA.
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43
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The Morphologies of the Semiconductor Oxides and Their Gas-Sensing Properties. SENSORS 2017; 17:s17122779. [PMID: 29189714 PMCID: PMC5751450 DOI: 10.3390/s17122779] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 11/19/2017] [Accepted: 11/28/2017] [Indexed: 11/17/2022]
Abstract
Semiconductor oxide chemoresistive gas sensors are widely used for detecting deleterious gases due to low cost, simple preparation, rapid response and high sensitivity. The performance of gas sensor is greatly affected by the morphology of the semiconductor oxide. There are many semiconductor oxide morphologies, including zero-dimensional, one-dimensional, two-dimensional and three-dimensional ones. The semiconductor oxides with different morphologies significantly enhance the gas-sensing performance. Among the various morphologies, hollow nanostructures and core-shell nanostructures are always the focus of research in the field of gas sensors due to their distinctive structural characteristics and superior performance. Herein the morphologies of semiconductor oxides and their gas-sensing properties are reviewed. This review also proposes a potential strategy for the enhancement of gas-sensing performance in the future.
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44
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Hu Y, Ji C, Wang X, Huo J, Liu Q, Song Y. The structural, magnetic and optical properties of TM n@(ZnO) 42 (TM = Fe, Co and Ni) hetero-nanostructure. Sci Rep 2017; 7:16485. [PMID: 29184077 PMCID: PMC5705660 DOI: 10.1038/s41598-017-16532-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 11/13/2017] [Indexed: 12/05/2022] Open
Abstract
The magnetic transition-metal (TM) @ oxide nanoparticles have been of great interest due to their wide range of applications, from medical sensors in magnetic resonance imaging to photo-catalysis. Although several studies on small clusters of TM@oxide have been reported, the understanding of the physical electronic properties of TMn@(ZnO)42 is far from sufficient. In this work, the electronic, magnetic and optical properties of TMn@(ZnO)42 (TM = Fe, Co and Ni) hetero-nanostructure are investigated using the density functional theory (DFT). It has been found that the core-shell nanostructure Fe13@(ZnO)42, Co15@(ZnO)42 and Ni15@(ZnO)42 are the most stable structures. Moreover, it is also predicted that the variation of the magnetic moment and magnetism of Fe, Co and Ni in TMn@ZnO42 hetero-nanostructure mainly stems from effective hybridization between core TM-3d orbitals and shell O-2p orbitals, and a magnetic moment inversion for Fe15@(ZnO)42 is investigated. Finally, optical properties studied by calculations show a red shift phenomenon in the absorption spectrum compared with the case of (ZnO)48.
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Affiliation(s)
- Yaowen Hu
- Department of Physics, Tsinghua University, Beijing, 100084, China
| | - Chuting Ji
- Department of Physics, Tsinghua University, Beijing, 100084, China
| | - Xiaoxu Wang
- Department of Physics, University of Science and Technology Beijing, Beijing, 100083, China.,Department of Cloud Platform, Beijing Computing Center, Beijing, 100094, China
| | - Jinrong Huo
- Department of Physics, University of Science and Technology Beijing, Beijing, 100083, China
| | - Qing Liu
- Department of Physics, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yipu Song
- Center for Quantum Information, IIIS, Tsinghua University, Beijing, 100084, China.
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45
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Hu Y, Huo J, Wang X, Wang R. First-principles investigation on Au n @(ZnO) 42 (n = 6-16) core-shell nanoparticles: structure stability and catalytic activity. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2017; 29:435701. [PMID: 28786817 DOI: 10.1088/1361-648x/aa84ff] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A family of Au n @(ZnO)[Formula: see text] ([Formula: see text]-16) cluster-assembled nanoparticles are studied by density-functional theory calculations. Different sizes, up to 100 atoms, are considered for several compositions. For each n, we design and construct a converged model for Au n @(ZnO)[Formula: see text] to analyze the coupling effect of adding Au atoms into ZnO outer shell. Among the optimized geometrical structures, we find that [Formula: see text]@(ZnO)[Formula: see text] has the most stable structure. The electronic properties, optical properties and catalytic activity of the [Formula: see text]@(ZnO)[Formula: see text] core-shell have been systematically investigated, which also shows consistency with the experimental results. It is found that forming a core-shell structure enhances the visible-light photocatalytic ability and [Formula: see text]@(ZnO)[Formula: see text] core-shell structure has a high catalytic efficiency for the reaction CO oxidation.
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Affiliation(s)
- Yaowen Hu
- Department of Physics, Tsinghua University, Beijing 100084, People's Republic of China
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46
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Song X, Xu Q, Xu H, Cao B. Highly sensitive gold-decorated zinc oxide nanorods sensor for triethylamine working at near room temperature. J Colloid Interface Sci 2017; 499:67-75. [DOI: 10.1016/j.jcis.2017.03.092] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 03/20/2017] [Accepted: 03/20/2017] [Indexed: 10/19/2022]
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47
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Skorjanc T, Benyettou F, Olsen JC, Trabolsi A. Design of Organic Macrocycle-Modified Iron Oxide Nanoparticles for Drug Delivery. Chemistry 2017; 23:8333-8347. [PMID: 28164384 DOI: 10.1002/chem.201605246] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Indexed: 12/31/2022]
Abstract
Paul Ehrlich's vision of a "magic bullet" cure for disease inspires the modern design of nanocarriers whose purpose is to deliver drug cargo to specific sites in the body while circumventing endogenous immunological clearance mechanisms. Iron oxide nanoparticles (IONPs) have emerged as particularly promising nanocarriers because of their biodegradability, ability to be guided magnetically to sites of pathology, mediation of hyperthermic therapy, and imaging capabilities. In this review, we focus on the design and drug-delivery aspects of IONPs coated with organic macrocycles (crown ethers, cyclodextrins, calix[n]arenes, cucurbit[n]urils, or pillar[n]arenes), which, by means of reversible complexation, allow for the convenient loading and release of drug molecules. Macrocycles can be attached to IONPs indirectly or directly. Indirect attachment requires the use of small organic linking molecules or conjugation to shell materials. Direct attachment requires neither. We discuss in detail drug release from the macrocycles, highlighting mechanisms that depend on external stimuli such as changes in pH, the competitive binding of ions or small molecules, or the application of ultrasound or electromagnetic radiation.
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Affiliation(s)
- Tina Skorjanc
- Chemistry Program, New York University Abu Dhabi, Saadiyat Island, P.O. Box 129188, Abu Dhabi, United Arab Emirates
| | - Farah Benyettou
- Chemistry Program, New York University Abu Dhabi, Saadiyat Island, P.O. Box 129188, Abu Dhabi, United Arab Emirates
| | - John-Carl Olsen
- Department of Chemistry, RC Box 270216, University of Rochester, Rochester, NY, 14627, USA
| | - Ali Trabolsi
- Chemistry Program, New York University Abu Dhabi, Saadiyat Island, P.O. Box 129188, Abu Dhabi, United Arab Emirates
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48
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Misra M, Singh N, Gupta RK. Enhanced visible-light-driven photocatalytic activity of Au@Ag core–shell bimetallic nanoparticles immobilized on electrospun TiO2 nanofibers for degradation of organic compounds. Catal Sci Technol 2017. [DOI: 10.1039/c6cy02085b] [Citation(s) in RCA: 121] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this work, Au@Ag core–shell nanoparticles (NPs) with variable Ag shell thickness were synthesized and immobilized on TiO2 nanofibers (TNF).
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Affiliation(s)
- Mrinmoy Misra
- Department of Chemical Engineering
- Indian Institute of Technology Kanpur
- Kanpur-208016
- India
| | - Narendra Singh
- Department of Chemical Engineering
- Indian Institute of Technology Kanpur
- Kanpur-208016
- India
- Center for Nanosciences and Center for Environmental Science and Engineering
| | - Raju Kumar Gupta
- Department of Chemical Engineering
- Indian Institute of Technology Kanpur
- Kanpur-208016
- India
- Center for Nanosciences and Center for Environmental Science and Engineering
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49
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Kohantorabi M, Gholami MR. MxNi100−x (M = Ag, and Co) nanoparticles supported on CeO2 nanorods derived from Ce–metal organic frameworks as an effective catalyst for reduction of organic pollutants: Langmuir–Hinshelwood kinetics and mechanism. NEW J CHEM 2017. [DOI: 10.1039/c7nj03009f] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
AgxNi100−x and CoxNi100−x bimetallic nanoparticles supported on CeO2 nanorods showed remarkable catalytic activity in a reduction reaction.
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Affiliation(s)
- Mona Kohantorabi
- Department of Chemistry
- Sharif University of Technology
- Tehran
- Iran
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50
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Li B, Wang R, Shao X, Shao L, Zhang B. Synergistically enhanced photocatalysis from plasmonics and a co-catalyst in Au@ZnO–Pd ternary core–shell nanostructures. Inorg Chem Front 2017. [DOI: 10.1039/c7qi00586e] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ternary core–shell nanostructures of Au@ZnO–Pd have been designed to achieve the synergetic utilization of a plasmonic effect and a co-catalyst for enhanced photocatalytic performance.
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Affiliation(s)
- Benxia Li
- Department of Chemistry
- College of Science
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Renshan Wang
- Department of Chemistry
- College of Science
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Xiankun Shao
- School of Materials Science and Engineering
- Anhui University of Science and Technology
- Huainan
- China
| | - Liangzhi Shao
- School of Materials Science and Engineering
- Anhui University of Science and Technology
- Huainan
- China
| | - Baoshan Zhang
- School of Materials Science and Engineering
- Anhui University of Science and Technology
- Huainan
- China
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