1
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Zhong W, Shang L. Photoswitching the fluorescence of nanoparticles for advanced optical applications. Chem Sci 2024; 15:6218-6228. [PMID: 38699274 PMCID: PMC11062085 DOI: 10.1039/d4sc00114a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Accepted: 03/25/2024] [Indexed: 05/05/2024] Open
Abstract
The dynamic optical response properties and the distinct features of nanomaterials make photoswitchable fluorescent nanoparticles (PF NPs) attractive candidates for advanced optical applications. Over the past few decades, the design of PF NPs by coupling photochromic and fluorescent motifs at the nanoscale has been actively pursued, and substantial efforts have been made to exploit their potential applications. In this perspective, we critically summarize various design principles for fabricating these PF NPs. Then, we discuss their distinct optical properties from different aspects by highlighting the capability of NPs in fabricating new, robust photoswitch systems. Afterwards, we introduce the pivotal role of PF NPs in advanced optical applications, including sensing, anti-counterfeiting and imaging. Finally, current challenges and future development of PF NPs are briefly discussed.
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Affiliation(s)
- Wencheng Zhong
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
| | - Li Shang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU) Xi'an 710072 China
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen Shenzhen 518057 China
- Chongqing Science and Technology Innovation Center of Northwestern Polytechnical University Chongqing 401135 China
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2
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Adachi K, Azakami H, Yamauchi M, Koshoji M, Yamamoto A, Tanaka S. Cyclodextrin-Assisted Surface-Enhanced Photochromic Phenomena of Tungsten(VI) Oxide Nanoparticles for Label-Free Colorimetric Detection of Phenylalanine. ACS OMEGA 2024; 9:18957-18972. [PMID: 38708261 PMCID: PMC11064177 DOI: 10.1021/acsomega.3c09239] [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: 11/20/2023] [Revised: 02/13/2024] [Accepted: 02/20/2024] [Indexed: 05/07/2024]
Abstract
Herein are presented the results of experiments designed to evaluate the effectiveness of host-guest interactions in improving the sensitivity of colorimetric detection based on surface-enhanced photochromic phenomena of tungsten(VI) oxide (WO3) nanocolloid particles. The UV-induced photochromic coloration of WO3 nanocolloid particles in the presence of aromatic α-amino acid (AA), l-phenylalanine (Phe) or l-2-phenylglycine (Phg), and heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin (TMβCDx) in an aqueous system was investigated using UV-vis absorption spectrometry. The characteristics of the adsorption modes and configurations of AAs on the WO3 surface have also been identified by using a combination of adsorption isotherm analysis and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR). A distinct linear relationship was observed between the concentration of AAs adsorbed on the WO3 nanocolloid particles and the initial photochromic coloration rate in the corresponding UV-irradiated colloidal WO3 in aqueous media, indicating that a simple and sensitive quantification of AAs can be achieved from UV-induced WO3 photochromic coloration without any complicated preprocessing. The proposed colorimetric assay in the Phe/TMβCDx/WO3 ternary aqueous system had a linear range of 1 × 10-8 to 1 × 10-4 mol dm-3 for Phe detection, with a limit of detection of 8.3 × 10-9 mol dm-3. The combined results from UV-vis absorption, ATR-FTIR, and adsorption isotherm experiments conclusively indicated that the TMβCDx-complexed Phe molecules in the Phe/TMβCDx/WO3 ternary aqueous system are preferentially and strongly inner-sphere adsorbed on the WO3 surface, resulting in a more significant surface-enhanced photochromic phenomenon. The findings in this study provided intriguing insights into the design and development of the "label-free" colorimetric assay system based on the surface-enhanced photochromic phenomenon of the WO3 nanocolloid probe.
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Affiliation(s)
- Kenta Adachi
- Department
of Chemistry, Graduate School of Sciences & Technology for Innovation, Yamaguchi University, Yamaguchi 753-8512, Japan
| | - Hiro Azakami
- Department
of Chemistry, Graduate School of Sciences & Technology for Innovation, Yamaguchi University, Yamaguchi 753-8512, Japan
| | - Miyuki Yamauchi
- Department
of Chemistry, Graduate School of Sciences & Technology for Innovation, Yamaguchi University, Yamaguchi 753-8512, Japan
| | - Moeka Koshoji
- Department
of Chemistry, Faculty of Science, Yamaguchi
University, Yamaguchi 753-8512, Japan
| | - Asami Yamamoto
- Department
of Environmental Science & Engineering, Graduate School of Science
& Engineering, Yamaguchi University, Yamaguchi 753-8512, Japan
| | - Shohei Tanaka
- Department
of Chemistry, Graduate School of Sciences & Technology for Innovation, Yamaguchi University, Yamaguchi 753-8512, Japan
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Sang X, Han K, Zhu M, Ma L. Friction Reduction Achieved by Ultraviolet Illumination on TiO 2 Surface. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1680. [PMID: 38612193 PMCID: PMC11012504 DOI: 10.3390/ma17071680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/08/2023] [Accepted: 11/24/2023] [Indexed: 04/14/2024]
Abstract
Controlling friction by light field is a low-cost, low-energy, non-polluting method. By applying ultraviolet light on the surface of photosensitive materials, the properties of the friction pairs or lubricant can be influenced, thus achieving the purpose of reducing friction. In this study, TiO2, an inorganic photosensitive material, was selected to investigate the modulating effect of light fields on friction lubrication when using polyalphaolefin (PAO) base oil as a lubricant, and the modulation law of light fields on the friction lubrication behavior was investigated under different loads (1-8 N), different speeds (20-380 mm/s), and different viscosities (10.1-108.6 mPa·s) of PAO base oil. The experimental results showed that light treatment could reduce the friction coefficient of PAO4 base oil lubrication from 0.034 to 0.016, with a reduction of 52.9% under conditions of 3 N-load and 56.5 mm/s-speed, and the best regulation effect could be achieved under the mixed lubrication condition. After TiO2 was treated with ultraviolet light, due to its photocatalytic property, PAO molecules were oxidized and adsorbed on the TiO2 surface to form an adsorption layer, which avoided the direct contact of rough peaks and thus reduced the friction coefficient. This study combines photosensitivity, photocatalysis, and friction, presenting a method to reduce the friction coefficient by applying a light field without changing the friction pairs or lubricants, which provides a new direction for friction modulation and gives new ideas for practical applications.
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Affiliation(s)
| | | | | | - Liran Ma
- State Key Laboratory of Tribology in Advanced Equipment, Tsinghua University, Beijing 100084, China; (X.S.); (K.H.); (M.Z.)
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Chen T, Xu B, Han J, Zhu M, Zhang J, Li Z. Chelating Coordination Regulated Photochromic Electrospun Nanofibers for Waterproof and Long-Color-Retention Rewritable Wearables. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38421948 DOI: 10.1021/acsami.3c19129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
Photochromic materials with rapid color-switching, long color retention times, and rewritability are crucial for meeting the requirements of future rewritable ink-free media. However, these requirements are challenging to satisfy simultaneously due to the inherent constraints among these features. Herein, a novel photochromic nanofiber nonwoven fabric was designed and constructed based on a conjugated organic-inorganic hybrid structure through electrospinning and hot-pressing techniques. The as-prepared fabric can change color in merely 5 s under UV irradiation and can reach saturation within 2 min. In addition, upon the introduction of a potent metal chelator, its color retention time exceeds 14 days under ambient conditions, significantly longer than that of most rewritable materials recently reported (several hours to 5 days). Moreover, the fabric exhibits high writing resolution and can be photoprinted and heat-erased for over 100 cycles while still retaining 96% of its initial reflectivity. Hydrophobic thermoplastic polyurethane provides the fabric with excellent waterproof and antifouling properties, thus preventing the composite from swelling or collecting graffiti due to moisture or dust. This work exploits a competitive approach for designing flexible, rewritable, and superior functional wearables with practical applications.
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Affiliation(s)
- Tiandi Chen
- Nanotechnology Center, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong, China
| | - Bingang Xu
- Nanotechnology Center, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong, China
| | - Jing Han
- Nanotechnology Center, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong, China
| | - Meng Zhu
- Nanotechnology Center, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong, China
| | - Junze Zhang
- Nanotechnology Center, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong, China
| | - Zihua Li
- Nanotechnology Center, School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon 999077, Hong Kong, China
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Li J, Liu Y, Gu Z, Sun P, Liu K, Xu D, Gao C, Xu W. Scalable, Green, Flexible Photochromic Bacterial Cellulose for Multicolor Switching, Photo-patterning, and Daily Sunlight UV Monitoring. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2309514. [PMID: 38415913 DOI: 10.1002/smll.202309514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 02/11/2024] [Indexed: 02/29/2024]
Abstract
Sustainable, durable, and diverse photochromic smart textiles based on bacterial cellulose (BC) have emerged as attractive candidates in UV-sensing applications due to the green and easy functionalization of BC. However, existing BC-based photochromic textiles lack photochromic efficiency and combining fastness. In this study, a green strategy for in situ fermentation is developed to achieve the directional distribution of functional particles and remarkable photochromism in photochromic bacterial cellulose (PBC). The unique functional design obtained by regulating the photochromic dye distribution in 3D nanonetworks of PBCs during in situ growth affords a more uniform distribution and high fastness. Benefiting from the uniform distribution of photochromic dyes and adequate utilization of the 3D network structure, more surface area is provided to receive and utilize the photon energy from the UV rays, making the photochromic process more effective. The as-prepared PBCs exhibited rapid (within 1 min) and stable (30 cycles) discoloration and multicolor selectivity. Their simple preparation process and exceptional wearability, e.g., their flexibility, lightweight, and air permeability, make them suitable for various applications, including tunable color switching systems, photopatterning, and daily sunlight UV monitoring. This study provides empirical value for the biofabrication of photochromic textiles and wearable flexible UV sensors.
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Affiliation(s)
- Juan Li
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, P.R. China
| | - Yingcun Liu
- College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, P.R. China
| | - Zongxue Gu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, P.R. China
| | - Ping Sun
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, P.R. China
| | - Keshuai Liu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, P.R. China
| | - Duo Xu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, P.R. China
- College of Textile and Clothing Engineering, Soochow University, Suzhou, 215123, P.R. China
| | - Chong Gao
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, P.R. China
- College of Textile Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P.R. China
| | - Weilin Xu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan, 430200, P.R. China
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Qiu Z, Lei Y, Lin X, Zhu J, Zeng R, Sa R, Tang D, Chen Q, Chen Y. A laser-induced zinc oxide/graphene photoelectrode for a photocurrent-polarity-switching photoelectrochemical biosensor with bipedal DNA walker amplification. J Mater Chem B 2024; 12:984-990. [PMID: 38193153 DOI: 10.1039/d3tb02742b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
A photocurrent-polarity-switching photoelectrochemical (PEC) biosensor was developed for the ultrasensitive detection of tobramycin (TOB) through bipedal DNA walker amplification with hemin-induced photocurrent-polarity-switching using a laser-induced zinc oxide/graphene (ZnO/LIG) photoelectrode. Specifically, the ZnO/LIG photoelectrode was synthesized in situ by a laser direct writing (LDW) technique. In the presence of TOB, it reacted with HP1 and HP2 and the DNA walker response was activated to form a stable hemin/G-quadruplex. Furthermore, hemin induced a polarity shift in the photocurrent signal. The developed analytical platform exhibited excellent photoelectron transport performance of ZnO/LIG, the signal amplification effect of the DNA walker strategy, and the photocurrent-polarity-switching ability of hemin. Therefore, it demonstrated satisfying photocurrent responses to the target TOB within the working range of 20 nM-1.0 μM at a low detection limit of 5.43 nM. The PEC platform exhibited good stability, reproducibility, sufficient sensitivity and high selectivity for complex experimental samples. Moreover, the photocurrent-polarity-switching PEC biosensor improved the anti-interference ability and avoided false positives or negatives.
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Affiliation(s)
- Zhenli Qiu
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China.
- College of Environment & Safety Engineering, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Yufen Lei
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China.
- College of Environment & Safety Engineering, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Xintong Lin
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China.
- College of Environment & Safety Engineering, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Jinman Zhu
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China.
- College of Environment & Safety Engineering, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Ruijin Zeng
- Key Laboratory of Analysis and Detection for Food Safety (MOE & Fujian Province), State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Rongjian Sa
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China.
| | - Dianping Tang
- Key Laboratory of Analysis and Detection for Food Safety (MOE & Fujian Province), State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Qiang Chen
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China.
| | - Yiting Chen
- Fujian Provincial University Engineering Research Center of Green Materials and Chemical Engineering, College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, P. R. China.
- College of Environment & Safety Engineering, Fuzhou University, Fuzhou, 350108, P. R. China
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7
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Song T, Li J, Deng Q, Gao Y. Preparation, Characterization, Photochromic Properties, and Mechanism of PMoA/ZnO/PVP Composite Film. Molecules 2023; 28:7605. [PMID: 38005327 PMCID: PMC10675673 DOI: 10.3390/molecules28227605] [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: 09/14/2023] [Revised: 11/11/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
A novel photochromic heteropolyacid-based composite film consisting of phosphomolybdic acid (PMoA), ZnO, and polyvinylpyrrolidone (PVP) was fabricated by a sol-gel process. The microstructure and photochromic properties of the PMoA/ZnO/PVP were characterized via Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and ultraviolet-visible spectroscopy (UV-Vis). The FTIR spectra showed that the basic structures of ZnO and PVP, and the Keggin structure of PMoA in the PMoA/ZnO/PVP composite film, had not been destroyed during the preparation. The TEM images demonstrated that ZnO presented a rod-like structure, while PMoA was spherical, and many PMoA balls adhered to the surface of the ZnO rods. The XPS spectra of Mo 3d indicated that the valency of Mo atoms in the PMoA/ZnO/PVP was changed by visible light exposure. After visible light irradiation, the PMoA/ZnO/PVP varied from slight yellow to blue, while undergoing an opposite color change upon heating. The discoloration mechanism of the PMoA/ZnO/PVP was consistent with the photoelectron transfer mechanism.
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Affiliation(s)
- Tiehong Song
- Urban Construction College, Changchun University of Architecture and Civil Engineering, Changchun 130600, China
| | - Jinyao Li
- Key Lab of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (J.L.); (Q.D.)
- Liao Yuan Vocational Technical College, Liaoyuan 136200, China
| | - Qiyuan Deng
- Key Lab of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (J.L.); (Q.D.)
| | - Yanjiao Gao
- College of Civil Engineering and Architecture, Liaoning University of Technology, Jinzhou 121001, China;
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Yan X, Zhong W, Qu S, Li Z, Shang L. Photochromic Tungsten Oxide Quantum Dots-based Fluorescent Photoswitches towards Dual-mode Anti-counterfeiting Application. J Colloid Interface Sci 2023; 646:855-862. [PMID: 37235931 DOI: 10.1016/j.jcis.2023.05.033] [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: 02/28/2023] [Revised: 05/03/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023]
Abstract
Development of new anti-counterfeiting technology to increase the difficulty of imitation and decoding is becoming increasingly important, but still remains challenging yet. In this work, we report the design of new fluorescence photoswitches based on photochromic tungsten oxide quantum dots (WO3 QDs) for dual-mode anti-counterfeiting applications. Complexing photochromic WO3 QDs with fluorescent gold nanoclusters (AuNCs) enables the construction of a photoswitchable fluorescence system (WO3-AuNCs) based on fluorescence resonance energy transfer. Detailed spectral and photophysical characterization showed that WO3 QDs well-retain the photochromic properties within the WO3-AuNCs composite. Importantly, photoresponsive and highly reversible switching of both color and fluorescence signals was successfully achieved by simply alternating the irradiation with UV and visible light. Potential utility of photoswitchable WO3-AuNCs composite as novel dual-mode anti-counterfeiting materials has been successfully demonstrated, including photoswitchable ink, rewritable paper and number encryption. Compared with other anti-counterfeiting materials, the present photochromic WO3 QDs-based fluorescent switches are easily synthesized and handled, and they can provide dual security mode (color and fluorescence). This work provides a generable WO3 QDs-assisted strategy of fabricating advanced fluorescence photoswitches for versatile optical counterfeiting applications.
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Affiliation(s)
- Xiaojian Yan
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU), Xi'an 710072, China; Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518063, China
| | - Wencheng Zhong
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU), Xi'an 710072, China; Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518063, China
| | - Shaohua Qu
- Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518063, China
| | - Ziqian Li
- Queen Mary University of London Engineering School, Northwestern Polytechnical University, Xi'an 710072, China
| | - Li Shang
- State Key Laboratory of Solidification Processing, School of Materials Science and Engineering, Northwestern Polytechnical University (NPU), Xi'an 710072, China; Research & Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen 518063, China; Chongqing Science and Technology Innovation Center of Northwestern Polytechnical University, Chongqing 401135, China.
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9
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Tang J, Gu H, Zhao Y, Tan M, Zhao W, Ma R, Zhang S, Hu D. Coupling Ti doping with oxygen vacancies in tungsten oxide for high-performance photochromism applications. Chem Commun (Camb) 2023; 59:6060-6063. [PMID: 37114352 DOI: 10.1039/d3cc00530e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
A series of Ti-doped W18O49 samples were prepared using a convenient solvothermal route. Due to the synergistic effect of doped Ti and oxygen vacancies, the samples showed excellent visible-light photochromic properties. Their performances as light-printable rewritable paper and smart windows showed great application value and promotion value.
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Affiliation(s)
- Jiamin Tang
- Faculty of Chemistry and Chemical Engineering, Engineering Research Center of Advanced Ferroelectric Functional Materials, Key Laboratory of Phytochemistry of Shaanxi Province, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, P. R. China.
| | - Hongxi Gu
- Faculty of Chemistry and Chemical Engineering, Engineering Research Center of Advanced Ferroelectric Functional Materials, Key Laboratory of Phytochemistry of Shaanxi Province, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, P. R. China.
| | - Yating Zhao
- Faculty of Chemistry and Chemical Engineering, Engineering Research Center of Advanced Ferroelectric Functional Materials, Key Laboratory of Phytochemistry of Shaanxi Province, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, P. R. China.
| | - Mengdi Tan
- Faculty of Chemistry and Chemical Engineering, Engineering Research Center of Advanced Ferroelectric Functional Materials, Key Laboratory of Phytochemistry of Shaanxi Province, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, P. R. China.
| | - Weiwei Zhao
- Faculty of Chemistry and Chemical Engineering, Engineering Research Center of Advanced Ferroelectric Functional Materials, Key Laboratory of Phytochemistry of Shaanxi Province, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, P. R. China.
| | - Rong Ma
- Faculty of Chemistry and Chemical Engineering, Engineering Research Center of Advanced Ferroelectric Functional Materials, Key Laboratory of Phytochemistry of Shaanxi Province, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, P. R. China.
| | - Sheng Zhang
- School of Science, Hainan University, Haikou 570228, China
| | - Dengwei Hu
- Faculty of Chemistry and Chemical Engineering, Engineering Research Center of Advanced Ferroelectric Functional Materials, Key Laboratory of Phytochemistry of Shaanxi Province, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, P. R. China.
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10
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Huang L, Zhao Y, Huang Z, Tang X, Liang X, Zhang L, He Y, Li H. Molecular modification effects on the electrochromic and photochromic properties of diarylethene with intramolecular isomerization behavior. J Chem Phys 2023; 158:114701. [PMID: 36948809 DOI: 10.1063/5.0141644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023] Open
Abstract
Diarylethene (DAE) is one of the most widely used functional units for electrochromic or photochromic materials. To better understand the molecular modification effects on the electrochromic and photochromic properties of DAE, two modification strategies, substitution with functional groups or heteroatoms, were investigated theoretically by density functional theory calculations. It is found that red-shifted absorption spectra caused by a decreased highest occupied molecular orbital-lowest unoccupied molecular orbital energy gap and S0 → S1 transition energy during the ring-closing reaction become more significant by adding different functional substituents. In addition, for two isomers, the energy gap and S0 → S1 transition energy decreased by heteroatom substitution of S atoms with O or NH, while they increased by replacing two S atoms with CH2. For intramolecular isomerization, one-electron excitation is the most effective way to trigger the closed-ring (O → C) reaction, while the open-ring (C → O) reaction occurs most readily in the presence of one-electron reduction. Moreover, it is confirmed that substitution with strong electron donating groups (-OCH3/-NH2) or with one O/two CH2 heteroatoms leads to a more favorable closed-ring (O → C) reaction. Functionalized with strong electron-withdrawing groups (-NO2 and -COOH) or one/two NH heteroatom substitutions, the open-ring (C → O) reaction is easier. Our results confirmed that the photochromic and electrochromic properties of DAE can be tuned effectively by molecular modifications, which provides theoretical guidance for the design of new DAE-based photochromic/electrochromic materials.
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Affiliation(s)
- Luyan Huang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
| | - Yongze Zhao
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
| | - Zehua Huang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
| | - Xinyuan Tang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
| | - Xuefeng Liang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
| | - Lisheng Zhang
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
| | - Yan He
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
| | - Huifang Li
- College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science and Technology, Qingdao, Shandong 266061, China
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11
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Zheng Z, Lu H, Hou H, Bai Y, Qiu J, Guo X, Wang JQ, Lin J. Stepwise Crystallization of Millimeter Scale Thorium Cluster Single Crystals as a Bifunctional Platform for X-ray Detection and Shielding. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206782. [PMID: 36534835 DOI: 10.1002/smll.202206782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Monitoring and shielding of X-ray radiation are of paramount importance across diverse fields. However, they are frequently realized in separate protocols and a single material integrating both functions remained elusive. Herein, a hexanuclear cluster [Th6 (µ3 -OH)4 (µ3 -O)4 (H2 O)6 ](pba)6 (HCOO)6 (Th-pba-0D) incorporating high-Z thorium cations and 3-(pyridin-4-yl)benzoate ligands that can function as a brand-new dual-module platform for visible detection and efficient shielding of ionizing radiation is demonstrated. Th-pba-0D exhibits rather unique reversible radiochromism upon alternating X-ray and UV irradiation. Moreover, the millimeter scale crystal size of Th-pba-0D renders the penetration depth of X-ray visible to naked eye and leads to the unearthing of its high X-ray attenuation efficiency. Indeed, the shielding efficacy of Th-pba-0D is comparable to that of lead glass containing 40% PbO, and a Th-pba-0D pellet with a thickness of merely 1.2 mm can shield 99.73% X-ray (16 keV). These studies portend the possible utilization of thorium-bearing materials as a bifunctional platform for radiation detection and shielding.
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Affiliation(s)
- Zhaofa Zheng
- School of Nuclear Science and Technology, Xi'an Jiaotong University, No.28, West Xianning Road, Xi'an, 710049, P. R. China
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 2019 Jia Luo Road, Shanghai, 201800, P. R. China
- University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Shijingshan District, Beijing, 100049, P. R. China
| | - Huangjie Lu
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 2019 Jia Luo Road, Shanghai, 201800, P. R. China
- University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Shijingshan District, Beijing, 100049, P. R. China
| | - Huiliang Hou
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 2019 Jia Luo Road, Shanghai, 201800, P. R. China
- University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Shijingshan District, Beijing, 100049, P. R. China
| | - Yaoyao Bai
- School of Nuclear Science and Technology, Xi'an Jiaotong University, No.28, West Xianning Road, Xi'an, 710049, P. R. China
| | - Jie Qiu
- School of Nuclear Science and Technology, Xi'an Jiaotong University, No.28, West Xianning Road, Xi'an, 710049, P. R. China
| | - Xiaofeng Guo
- Department of Chemistry and Alexandra Navrotsky Institute for Experimental Thermodynamics, Washington State University, Fulmer 630, Pullman, WA, 99164-4630, USA
| | - Jian-Qiang Wang
- Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, 2019 Jia Luo Road, Shanghai, 201800, P. R. China
- University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Shijingshan District, Beijing, 100049, P. R. China
| | - Jian Lin
- School of Nuclear Science and Technology, Xi'an Jiaotong University, No.28, West Xianning Road, Xi'an, 710049, P. R. China
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12
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Cheng Y, Ma X, Zhai J, Xie X. Visible light responsive photoacids for subcellular pH and temperature correlated fluorescence sensing. Chem Commun (Camb) 2023; 59:1805-1808. [PMID: 36722768 DOI: 10.1039/d2cc06816h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Liao's photoacids (PAs) are a well-known type of visible light-responsive photoswitches. Here, taking advantage of the temperature-dependent thermal relaxation from the ring-closed to the ring-opened forms, PAs are proposed for the first time as a fluorescent temperature sensor in cells. The logarithmic lifetime (ln τ) of the ring-closed spiro-form exhibited an excellent linear response to the reciprocal of the temperature. In addition, the fluorescent ring-opened PAs were able to highlight lysosomes and responded to lysosomal pH changes. These properties made the PAs promising fluorescent probes in the sensing of subcellular pH and temperature.
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Affiliation(s)
- Yu Cheng
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China. .,Research Center for Chemical Biology and Omics Analysis, School of Science, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xueqing Ma
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China. .,Research Center for Chemical Biology and Omics Analysis, School of Science, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jingying Zhai
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen, 518055, China.,Guangdong Provincial Key Laboratory of Advanced Biomaterials, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xiaojiang Xie
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, 518055, China. .,Guangdong Provincial Key Laboratory of Advanced Biomaterials, Southern University of Science and Technology, Shenzhen, 518055, China.,Research Center for Chemical Biology and Omics Analysis, School of Science, Southern University of Science and Technology, Shenzhen, 518055, China
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13
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Mogharbel AT, Alluhaybi AA, Almotairy ARZ, Aljohani MM, El-Metwaly NM, Zaky R. Preparation of Lighting in the Dark and Photochromic Electrospun Glass Nanofiber-Reinforced Epoxy Nanocomposites Immobilized with Alkaline Earth Aluminates. ACS OMEGA 2023; 8:1683-1692. [PMID: 36643554 PMCID: PMC9835162 DOI: 10.1021/acsomega.2c07554] [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: 11/25/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Alkaline earth aluminates (AEAs) as photoluminescent agents and silicon dioxide-based electrospun glass nanofibers with an average diameter of 150-450 nm as a roughening agent were prepared and applied to reinforce an epoxy resin toward the development of long-persistent photoluminescent and photochromic smart materials, such as smart windows and anticounterfeiting barcodes. With the physical immobilization of lanthanide-doped aluminate nanoparticles (NPs), a light-induced luminescent transparent glass@epoxy film was developed. The glass@epoxy samples were able to alter their color to green beneath ultraviolet rays and greenish-yellow in the dark, as explored by CIE Lab and luminescence spectral analyses. The morphology of the lanthanide-doped aluminate nanoparticles (43-98 nm) was examined by transmission electron microscopy (TEM). The morphologies and chemical composition of the luminescent glass@epoxy substrates were determined by different analytical techniques. The mechanical properties of the developed photoluminescent glass@epoxy substrates were inspected to show improved scratch resistance as compared to the AEA-free substrate. The photoluminescence spectra were measured to indicate the detection of two emission bands at 494 and 525 nm when excited at 365 nm. The photoluminescent glass@epoxy hybrids with lower AEA contents have showed fast reversibility of photochromism. On the other hand, the glass@epoxy substrates with higher phosphor contents underwent persistent luminescence. Results showed that the luminescent colorless glass@epoxy hybrids have enhanced superhydrophobicity and ultraviolet blocking.
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Affiliation(s)
- Amal T. Mogharbel
- Department
of Chemistry, Faculty of Science, University
of Tabuk, Tabuk 71474, Saudi Arabia
| | - Ahmad A. Alluhaybi
- Department
of Chemistry, College of Sciences & Arts, King Abdulaziz University, Rabigh 21589, Saudi Arabia
| | - Awatif R. Z. Almotairy
- Department
of Chemistry, Faculty of Science, Taibah
University, Yanbu 30799, Saudi Arabia
| | - Meshari M. Aljohani
- Department
of Chemistry, Faculty of Science, University
of Tabuk, Tabuk 71474, Saudi Arabia
| | - Nashwa M. El-Metwaly
- Department
of Chemistry, Faculty of Applied Sciences, Umm Al-Qura University, Makkah 24382, Saudi Arabia
| | - Rania Zaky
- Department
of Chemistry, Faculty of Science, Mansoura
University, Mansoura 35516, Egypt
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14
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Immobilization of Strontium Aluminate into Recycled Polycarbonate Plastics towards an Afterglow and Photochromic Smart Window. Polymers (Basel) 2022; 15:polym15010119. [PMID: 36616469 PMCID: PMC9823531 DOI: 10.3390/polym15010119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 12/29/2022] Open
Abstract
A transparent smart window made of recycled polycarbonate plastic (PCP) waste was prepared and immobilized with strontium aluminate phosphor nanoparticles (SAPN). It has afterglow emission, super-hydrophobicity, durability, photostability, good mechanical properties, ultraviolet protection, and high optical transmittance. To create an afterglow emission polycarbonate smart window (SAPN@PCP), recycled polycarbonate waste was integrated with various concentrations of SAPN (15-52 nm). SAP micro-scale powder was made using the solid-state high temperature method. The SAP nanoparticles were produced using the top-down method. To create a colorless plastic bulk, recycled polycarbonate waste was inserted into a hot bath. This colorless plastic was thoroughly combined with SAPN and cast to create an afterglow luminous smart window. To investigate its photoluminescence properties, spectrum profiles of excitation and emission were measured. According to the luminescence parameters, the phosphorescent colorless polycarbonate plates displayed a change in color to strong green under UV illumination and greenish-yellow in a dark box. The afterglow polycarbonate smart window displayed two emission peaks at 496 and 526 nm, and an absorption wavelength of 373 nm. Upon increasing the SAPN ratio, the hydrophobic activity, hardness, photostability, and UV protection were improved. Luminescent polycarbonate substrates with lower SAPN ratio demonstrated rapid and reversible fluorescence under UV light, while the higher SAPN content in the luminous polycarbonate substrates showed afterglow.
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15
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Dong X, Lu Y, Liu X, Zhang L, Tong Y. Nanostructured tungsten oxide as photochromic material for smart devices, energy conversion, and environmental remediation. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2022. [DOI: 10.1016/j.jphotochemrev.2022.100555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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16
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Cui B, Guo C, Fu G, Zhang Z. Photochromic performance of hydrogel based on deep eutectic solvent induced water soluble Cu-doped WO3 hybrids with antibacterial property. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Elsawy H, Sedky A, Abou Taleb MF, El-Newehy MH. Color-switchable and photoluminescent poly (vinyl chloride) for multifunctional smart applications. LUMINESCENCE 2022; 37:1504-1513. [PMID: 35801362 DOI: 10.1002/bio.4324] [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: 04/06/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 11/09/2022]
Abstract
Recycled poly (vinyl chloride) (PVC) waste was used to prepare transparent material with long-lasting phosphorescence, photochromic activity, hydrophobicity, strong optical transmission, ultraviolet (UV) protection, and stiffness. Lanthanide-activated aluminate (LaA) microparticles were prepared via the high temperature solid state procedure, which were subjected to the top-down grinding technology to afford LaA nanoparticles (LaAN). Laminated poly (vinyl chloride) bottles were shredded into a transparent plastic matrix, which was combined with LaAN and drop-casted to produce smart materials for a variety of applications. Smart window and photochromic film for smart packaging can be made from recycled poly (vinyl chloride) waste by immobilizing it with various ratios of LaAN. Long-lasting phosphorescent translucent poly (vinyl chloride) smart window and films need LaAN to be evenly dispersed in PVC without clumping. Different analytical methods were employed to assess the materials' morphological structure and chemical composition. Photoluminescence and decay spectra were all employed to investigate the luminescence characteristics. In addition, the mechanical performance was studied. According to CIE Lab (Commission Internationale de L'éclairage) color measurements, this transparent PVC smart material becomes a bright green under UV rays and turns a greenish-yellow in the dark. The PVC luminescence was observed to exhibit an apparent emission bands at 429 and 513 nm when excited at 367 nm. Improvements have been monitored in the UV shielding and hydrophobicity with increasing the phosphor concentration. LaAN-immobilized PVC exhibited reversible photochromism. The present approach can be applied for a variety of applications, such as anticounterfeiting films for smart packaging, smart window, and warning lightening marks.
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Affiliation(s)
- Hany Elsawy
- Department of Chemistry, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia.,Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt
| | - Azza Sedky
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia.,Department of Zoology, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Manal F Abou Taleb
- Department of Chemistry, College of Science and Humanities, Prince Sattam Bin Abdulaziz University, Al-kharj, Saudi Arabia.,Department of Polymer Chemistry, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, Nasr City, Cairo, Egypt
| | - Mohamed H El-Newehy
- Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt.,Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
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18
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The structural origin of the efficient photochromism in natural minerals. Proc Natl Acad Sci U S A 2022; 119:e2202487119. [PMID: 35653570 DOI: 10.1073/pnas.2202487119] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
SignificanceNatural photochromic minerals have been reported by geologists for decades. However, the understanding of the photochromism mechanism has a key question still unanswered: What in their structure gives rise to the photochromism's reversibility? By combining experimental and computational methods specifically developed to investigate this photochromism, this work provides the answer to this fundamental question. The specific crystal structure of these minerals allows an unusual motion of the sodium atoms stabilizing the electronic states associated to the colored forms. With a complete understanding of the photochromism mechanism in hand, it is now possible to design new families of stable and tunable photochromic inorganic materials-based devices.
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19
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Moldarev D, Aracheloff C, Moro MV, Pitthan E, Wolff M, Primetzhofer D. Oxygen mobility in yttrium hydride films studied by isotopic labelling. EPJ WEB OF CONFERENCES 2022. [DOI: 10.1051/epjconf/202226101001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The photochromic properties of oxygen-containing yttrium hydride thin films are directly dependent on the oxygen concentration in the material. We use 16O/18O labelling to study oxidation of YH2 films. Oxygen penetrates the film through grain boundaries and intercolumnar voids oxidising the whole film thickness, without pronounced surface oxidation or self-passivation. Once oxidised, the mobility of oxygen in the films is low and no detectable changes in chemical composition of 18O-labeled YHO films is found under illumination.
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20
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Song S, Li Y, Shi Y, Xu Y, Niu Y. Oxygen-doped MoS2 nanoflowers with sulfur vacancies as electrocatalyst for efficient hydrazine oxidation. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2021.115986] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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21
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Renault O, Deleuze PM, Courtin J, Bure RT, Gauthier N, Nolot E, Robert-Goumet C, Pauly N, Martinez E, Artyushkova K. New directions in the analysis of buried interfaces for device technology by hard X-ray photoemission. Faraday Discuss 2022; 236:288-310. [DOI: 10.1039/d1fd00110h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoelectron spectroscopy is a characterization technique which plays a key role in device technology, a field requiring, very often, a reliable and reproducible analysis of buried, critical interfaces. The recent...
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22
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El-Newehy MH, Kim HY, Khattab TA, Moydeen A M, El-Naggar ME. Synthesis of lanthanide-doped strontium aluminate nanoparticles encapsulated in polyacrylonitrile nanofibres: photoluminescence properties for anticounterfeiting applications. LUMINESCENCE 2021; 37:40-50. [PMID: 34551199 DOI: 10.1002/bio.4144] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 11/08/2022]
Abstract
Photochromism has been applied as an interesting technique in order to improve the anticounterfeiting of commercial commodities. To build up a mechanically reliable anticounterfeiting nanocomposite, it has been vital to enhance the engineering process of the anticounterfeiting material. In the current study, we developed mechanically reliable and highly photoluminescent lanthanide-doped strontium aluminate nanoparticles (LSAN)/polyacrylonitrile (PAN) hybrid nanofibres successfully fabricated using an electrospinning technique for anticounterfeiting applications. The produced nanocomposite films exhibited ultraviolet-induced photochromic anticounterfeiting properties. To guarantee the transparency of the LSAN-PAN film, LSAN must be immobilized onto the nanoparticle size to allow better dispersion without aggregation in the polyacrylonitrile matrix. The LSAN-PAN nanofibrous film demonstrated absorbance intensity that exhibited at 354 nm and associated with an emission intensity at 424 nm. The produced LSAN-PAN films demonstrated an enhanced hydrophobicity when increasing the ratio of LSAN, without adversely influencing their native appearance and mechanical performance. Upon excitation with ultraviolet light, the translucent nanofibrous substrates exhibited fast and reversible photochromic activity to greenish-yellow without exhaustion. The nanofibrous films exhibited stretchability, transparency, flexibility, and ultraviolet light-induced photochromism at low cost. The current strategy can be considered as an efficient technique towards the development of various anticounterfeiting materials for a better market with economic and social values.
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Affiliation(s)
- Mohamed H El-Newehy
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, Saudi Arabia
| | - Hak Yong Kim
- Nano Convergence Engineering, Jeonbuk National University, Jeonju, Republic of Korea
| | - Tawfik A Khattab
- Textile Research Division, National Research Center, (Affiliation ID: 60014618), Dokki, Cairo, Egypt
| | - Meera Moydeen A
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, Saudi Arabia
| | - Mehrez E El-Naggar
- Textile Research Division, National Research Center, (Affiliation ID: 60014618), Dokki, Cairo, Egypt
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23
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Ejeromedoghene O, Ma X, Oderinde O, Yao F, Adewuyi S, Fu G. Quaternary type IV deep eutectic solvent-based tungsten oxide/niobium oxide photochromic and reverse fading composite complex. NEW J CHEM 2021. [DOI: 10.1039/d1nj02461b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
An excellent photochromic material based on a WO3/Nb2O5 complex with the fast fading property for promising application in optical glasses/lenses and color display devices.
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Affiliation(s)
- Onome Ejeromedoghene
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, Jiangsu Province, 211189, P. R. China
| | - Xiangyu Ma
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, Jiangsu Province, 211189, P. R. China
| | - Olayinka Oderinde
- Department of Chemical Sciences, Faculty of Basic Medical and Applied Sciences, Lead City University, Ibadan, Nigeria
| | - Fang Yao
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, Jiangsu Province, 211189, P. R. China
| | - Sheriff Adewuyi
- Department of Chemistry, College of Physical Sciences, Federal University of Agriculture, PMB 2240, Abeokuta, Ogun State, Nigeria
| | - Guodong Fu
- School of Chemistry and Chemical Engineering, Southeast University, Jiangning District, Nanjing, Jiangsu Province, 211189, P. R. China
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