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Liu Q, Xu H, He Z, Wei C, Wang Z, Li G, Gao J. Sodium Dodecyl Sulfate-Adjusted Phase Composition of Hydrated Tungsten Oxides as Stable Self-Supporting Electrodes for Supercapacitors with High Volumetric Specific Capacitance. Inorg Chem 2024; 63:1550-1561. [PMID: 38180825 DOI: 10.1021/acs.inorgchem.3c03266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2024]
Abstract
High pseudocapacitive activity of hydrated tungsten oxides (WO3·xH2O, x = 1 or 2) makes them promising materials for supercapacitors (SCs). During their synthesis, additives such as complexing agents and surfactants generally can only affect the morphology and/or size of the products. Here, we demonstrate that not only morphology and size of WO3·xH2O were affected, its phase composition could also change from WO3·2H2O to WO3·H2O simply by increasing the amount of sodium dodecyl sulfate (SDS) during its anodization synthesis. To the best of our knowledge, such a phenomenon has not been reported before. In addition, SDS introduced a special structure to the products, i.e., WO3·xH2O nanoplatelets constructed from nanoparticle multilayers with abundant nanogaps between the multilayers, which further arranged into nanoflowers with increased amounts of SDS. Benefiting from such a structure, low internal resistance, enhanced stability, and fast redox kinetics, the as-obtained WO3·xH2O/W-3 self-supporting electrode showed a high volumetric specific capacitance of 1402.92 F cm-3 and good cycling stability (a capacity retention of 106% after 10 000 cycles). In addition, an all-solid-state asymmetric SC device based on WO3·xH2O/W-3 delivered high a volumetric energy density of 44.0 mW h cm-3 at 0.5 W cm-3. Our method demonstrates a potential way to fabricate excellent self-supporting electrodes for SCs.
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Affiliation(s)
- Qianqian Liu
- School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Haolan Xu
- School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Zikang He
- School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Chenyao Wei
- School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Zhenhao Wang
- School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Guohua Li
- School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Jing Gao
- School of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
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Chen J, Song G, Cong S, Zhao Z. Resonant-Cavity-Enhanced Electrochromic Materials and Devices. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2300179. [PMID: 36929668 DOI: 10.1002/adma.202300179] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/26/2023] [Indexed: 06/18/2023]
Abstract
With rapid advances in optoelectronics, electrochromic materials and devices have received tremendous attentions from both industry and academia for their strong potentials in wearable and portable electronics, displays/billboards, adaptive camouflage, tunable optics, and intelligent devices, etc. However, conventional electrochromic materials and devices typically present some serious limitations such as undesirable dull colors, and long switching time, hindering their deeper development. Optical resonators have been proven to be the most powerful platform for providing strong optical confinement and controllable lightmatter interactions. They generate locally enhanced electromagnetic near-fields that can convert small refractive index changes in electrochromic materials into high-contrast color variations, enabling multicolor or even panchromatic tuning of electrochromic materials. Here, resonant-cavity-enhanced electrochromic materials and devices, an advanced and emerging trend in electrochromics, are reviewed. In this review, w e will focus on the progress in multicolor electrochromic materials and devices based on different types of optical resonators and their advanced and emerging applications, including multichromatic displays, adaptive visible camouflage, visualized energy storage, and applications of multispectral tunability. Among these topics, principles of optical resonators, related materials/devices and multicolor electrochromic properties are comprehensively discussed and summarized. Finally, the challenges and prospects for resonant-cavity-enhanced electrochromic materials and devices are presented.
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Affiliation(s)
- Jian Chen
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Ge Song
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Shan Cong
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
| | - Zhigang Zhao
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei, 230026, China
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, 215123, China
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Gao H, Sun L, Ni D, Zhang L, Wang H, Bu W, Li J, Shen Q, Wang Y, Liu Y, Zheng X. Regulating electron transportation by tungsten oxide nanocapacitors for enhanced radiation therapy. J Nanobiotechnology 2023; 21:205. [PMID: 37386437 DOI: 10.1186/s12951-023-01962-8] [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: 05/06/2023] [Accepted: 06/17/2023] [Indexed: 07/01/2023] Open
Abstract
In the process of radiation therapy (RT), the cytotoxic effects of excited electrons generated from water radiolysis tend to be underestimated due to multiple biochemical factors, particularly the recombination between electrons and hydroxyl radicals (·OH). To take better advantage of radiolytic electrons, we constructed WO3 nanocapacitors that reversibly charge and discharge electrons to regulate electron transportation and utilization. During radiolysis, WO3 nanocapacitors could contain the generated electrons that block electron-·OH recombination and contribute to the yield of ·OH at a high level. These contained electrons could be discharged from WO3 nanocapacitors after radiolysis, resulting in the consumption of cytosolic NAD+ and impairment of NAD+-dependent DNA repair. Overall, this strategy of nanocapacitor-based radiosensitization improves the radiotherapeutic effects by increasing the utilization of radiolytic electrons and ·OH, warranting further validation in multiple tumour models and preclinical experiments.
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Affiliation(s)
- Hongbo Gao
- Department of Radiation Oncology, Shanghai Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Li Sun
- Department of Radiation Oncology, Shanghai Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Dalong Ni
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Libo Zhang
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
| | - Han Wang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Wenbo Bu
- Department of Material Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, China
| | - Jinjin Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Qianwen Shen
- Department of Radiation Oncology, Shanghai Huadong Hospital, Fudan University, Shanghai, 200040, China
| | - Ya Wang
- Department of Material Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, China
| | - Yanyan Liu
- Department of Material Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, 200433, China.
| | - Xiangpeng Zheng
- Department of Radiation Oncology, Shanghai Huadong Hospital, Fudan University, Shanghai, 200040, China.
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Chen M, Zhang X, Yan D, Deng J, Sun W, Li Z, Xiao Y, Ding Z, Zhao J, Li Y. Oxygen vacancy modulated amorphous tungsten oxide films for fast-switching and ultra-stable dual-band electrochromic energy storage smart windows. MATERIALS HORIZONS 2023; 10:2191-2203. [PMID: 36994625 DOI: 10.1039/d2mh01472f] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Dual-band electrochromic energy storage (DEES) windows, which are capable of selectively controlling visible (VIS) and near-infrared (NIR) light transmittance, have attracted research attention as energy-saving devices that integrate electrochromic (EC) and energy storage functions. However, there are few EC materials with spectrally selective modulation. Herein, oxygen vacancy modulated amorphous tungsten oxide (a-WO3-x-OV) is firstly shown to be a potential material for DEES windows. Furthermore, experimental results and density functional theory (DFT) calculations demonstrate that an oxygen vacancy not only enables the a-WO3-x-OV films to modulate NIR light transmittance selectively, but also enhances ion adsorption and diffusion in the a-WO3-x host to obtain excellent EC performance and a large energy storage capacity. Consequently, the a-WO3-x-OV film can selectively control VIS and NIR light transmittance with a state-of-the-art EC performance, including high optical modulation (91.8% and 80.3% at 633 and 1100 nm, respectively), an unprecedentedly fast switching speed (tb/tc = 4.1/5.3 s), high coloration efficiency (167.96 cm2 C-1), high specific capacitance (314 F g-1 at 0.5 A g-1), and ultra-robust cycling stability (83.3% optical modulation retention after 8000 cycles). The fast-switching and ultra-stable dual-band EC properties with efficient energy recycling are also successfully demonstrated in a DEES prototype. The results demonstrate that the a-WO3-x-OV films show great potential for application in high-performance DEES smart windows.
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Affiliation(s)
- Mingjun Chen
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Xiang Zhang
- Centre for Composite Materials and Structure, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Dukang Yan
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Jianbo Deng
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Wenhai Sun
- Centre for Composite Materials and Structure, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Zitong Li
- Centre for Composite Materials and Structure, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Yingjun Xiao
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Zhenmin Ding
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Jiupeng Zhao
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China.
| | - Yao Li
- Centre for Composite Materials and Structure, Harbin Institute of Technology, Harbin, 150001, P. R. China.
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An FH, Yuan YZ, Liu JQ, He MD, Zhang B. Enhanced electrochromic properties of WO 3/ITO nanocomposite smart windows. RSC Adv 2023; 13:13177-13182. [PMID: 37124008 PMCID: PMC10141578 DOI: 10.1039/d3ra01428b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 04/16/2023] [Indexed: 05/02/2023] Open
Abstract
Tungsten oxide is regarded as the most promising electrochromic material owing to its continuously tunable optical properties, low cost, and high coloration efficiency. Further improving its optical modulation, switching speed, and coloration efficiency is important to electrochromic smart windows and related devices. Here, we demonstrate an enhanced electrochromic film composed of a WO3 nanosheet and ITO nanoparticles developed by an all-solution technology. The WO3 nanosheet is fabricated by an acid-assisted hydrothermal process with high product efficiency. The introduction of an ITO into the WO3 nanosheets significantly improved the electrochemical activity and the conductivity of the composite film. Compared with a reported electrochromic film without ITO doping, our synthesized composite WO3 film exhibited optical modulation up to 88% and a high coloration efficiency of 154.16 cm2 C-1. Particularly, our electrochromic film was based on the dispersant solution and spin-coating technology, which may also be realized with nano-spray coating for large scale applications. The results offer an effective way to develop large-area electrochromic film and devices.
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Affiliation(s)
- Feng Hui An
- Jiangxi Province Engineering Research Center of Material Surface Remanufacturing, Jiujiang University Jiujiang Jiangxi 332005 China
| | - Yu Zheng Yuan
- Institute of Mathematics and Physics, Central South University of Forestry and Technology Changsha 410004 China
| | - Jian Qiang Liu
- College of Science, Jiujiang University Jiujiang Jiangxi 332005 China
| | - Meng Dong He
- Institute of Mathematics and Physics, Central South University of Forestry and Technology Changsha 410004 China
| | - Bo Zhang
- Energy Materials Computing Center, School of Energy and Mechanical Engineering, Jiangxi University of Science and Technology Nanchang 330013 China
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Wang J, Zhou Y, Zhao W, Niu Y, Mao Y, Cheng W. Amorphous Mixed-Vanadium-Tungsten Oxide Films as Optically Passive Ion Storage Materials for Solid-State Near-Infrared Electrochromic Devices. ACS APPLIED MATERIALS & INTERFACES 2023; 15:7120-7128. [PMID: 36716357 DOI: 10.1021/acsami.2c20635] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Near infrared (NIR) electrochromic (EC) devices that selectively modulate the NIR light without affecting the daylight represent a promising window technology for saving energy consumption of buildings. Current research efforts have been focused on developing NIR-EC materials, while little attention has been directed to the optically passive ion storage materials that are crucial for balancing charges in a full NIR-EC device. Herein, we report that amorphous phase mixed-vanadium-tungsten oxide films exhibit minimum optical change with high ion storage capacity, which enables the usage of the mixed-metal oxides as optically passive counter electrode materials for NIR-EC devices. The mixed-vanadium-tungsten oxide films are synthesized by a room-temperature solution-based photodeposition method that allows us to precisely engineer the metal compositions and thicknesses of the mixed-metal oxide films, thus optimizing their optical inertness and ion storage capability. A solid-state NIR-EC device assembled with the mixed-vanadium-tungsten oxide film as an ion storage layer and the amorphous tungsten oxide hydrate as the NIR-EC layer shows fast response speed with cycling stability up to 10,000 cycles, proving the outstanding charge balancing capability of mixed-metal oxide. Our work provides an efficient strategy for developing optically passive ion storage films with high ion storage capability for high-performance EC devices.
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Affiliation(s)
- Junyi Wang
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, 422 Siming South Road, Xiamen, Fujian 361005, China
- Shenzhen Research Institute of Xiamen University, Shenzhen, Guangdong 518057, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen, Fujian 361005, China
- Key Laboratory of High Performance Ceramics Fibers (Xiamen University), Ministry of Education, Xiamen, Fujian 361005 China
| | - Yurong Zhou
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, 422 Siming South Road, Xiamen, Fujian 361005, China
| | - Wuxi Zhao
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, 422 Siming South Road, Xiamen, Fujian 361005, China
| | - Yutong Niu
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, 422 Siming South Road, Xiamen, Fujian 361005, China
| | - Yuliang Mao
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, 422 Siming South Road, Xiamen, Fujian 361005, China
| | - Wei Cheng
- Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials, College of Materials, Xiamen University, 422 Siming South Road, Xiamen, Fujian 361005, China
- Shenzhen Research Institute of Xiamen University, Shenzhen, Guangdong 518057, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen, Fujian 361005, China
- Key Laboratory of High Performance Ceramics Fibers (Xiamen University), Ministry of Education, Xiamen, Fujian 361005 China
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7
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Zhang B, Wang H, Xiang Y, Jiang H, Tang L, Luo J, Tian Y. Quantum dots CdS-modified WO3 film for multi-color electrochromism. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2022.141749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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8
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Wei CC, Wu TH, Huang JW, Young BL, Jian WB, Lin YL, Chen JT, Hsu CS, Ma YR, Tsukagoshi K. Nanoparticulate Films of WO3 and MoO3 Composites for Enhancing UV Light Electrochromic Transmittance Variation and Energy Storage Applications. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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9
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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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10
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Kong S, Zhang G, Li M, Yao R, Guo C, Ning H, Zhang J, Tao R, Yan H, Lu X. Investigation of an Electrochromic Device Based on Ammonium Metatungstate-Iron (II) Chloride Electrochromic Liquid. MICROMACHINES 2022; 13:mi13081345. [PMID: 36014270 PMCID: PMC9460927 DOI: 10.3390/mi13081345] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/15/2022] [Accepted: 08/16/2022] [Indexed: 05/29/2023]
Abstract
Even though electrochromism has been around for more than 50 years, it still has several issues. Multi-layered films, high manufacturing costs, and a short lifetime are present in existing electrochromic devices. We demonstrate a unique high-performance device with a basic structure and no solid electrochromic sheets in this work. In this device, the electrolyte layer is also avoided. The device uses an electrochromic solution prepared from a mixture of ammonium metatungstate and iron (II) chloride solution as a functional layer with reversible redox properties. The tungstate ions on the electrode surface are reduced when the device is colored, and the Fe2+ on the electrode surface is oxidized on another electrode surface. The generated Fe3+ in the mixed functional layer oxidizes the previously reduced tungstate ions as the device fades. We determined the ΔT (transmittance modulation) and response time among ammonium metatungstate ratios, iron (II) chloride ratios, and driven current density using DOE (design of experiment) trials. Using 0.175 mol/L ammonium metatungstate and 0.30 mol/L iron (II) chloride, a device with outstanding ΔT (more than 57% at 700 nm), a short response time (less than 10 s), and high coloring efficiency (160.04 cm2/C at 700 nm) is demonstrated.
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Affiliation(s)
- Sifan Kong
- School of Software, South China Normal University, Foshan 528225, China
| | - Guanguang Zhang
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Muyun Li
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Rihui Yao
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Chenxiao Guo
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Honglong Ning
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Jianzhi Zhang
- School of Physics & Photoelectric Engineering, Guangdong University of Technology, Guangzhou 510650, China
| | - Ruiqiang Tao
- Institute for Advanced Materials, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Haoyang Yan
- Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Xubing Lu
- Institute for Advanced Materials, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
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11
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Yang Y, Tian JJ, Wang L, Chen Z, Pu S. D-π-A type carbazole and triphenylamine derivatives with different π-conjugated units: Tunable aggregation-induced emission (AIE) and mechanofluorochromic properties. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113905] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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12
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Ren Y, Liu L, Wang Z, Li D, Chen Y. Fabrication of Single-Particle Microelectrodes and Their Electrochemical Properties. ACS APPLIED MATERIALS & INTERFACES 2022; 14:20981-20987. [PMID: 35486451 DOI: 10.1021/acsami.2c02231] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Compared with traditional centimeter-level electrodes, microelectrodes exhibit a small reaction area, high sensitivity, fast mass transfer rate, and low polarization current. However, current microelectrode preparation processes are very complicated and costly. Herein, we proposed a facile and universal method for fabricating single-particle microelectrodes. In the precursor solution, polyvinyl alcohol and ammonia were introduced as the polymeric binder and pore-forming agent, respectively. Through spaying-drying-sintering processes, the single-particle microelectrodes were successfully prepared for Li4Ti5O12 (LTO), LiCrTiO4 (LCTO), and LiFePO4/C (LFP/C), which showed excellent electrochemical properties. Furthermore, the single-particle microelectrode can be adopted to study the electrochemical oscillations of Li-ion batteries and assemble a full-cell microbattery as a potential next-generation microscale power source.
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Affiliation(s)
- Yuanyuan Ren
- State Key Laboratory of Marine Resource Utilization in South China Sea, Key Laboratory of Research on Utilization of Si-Zr-Ti Resources of Hainan Province, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Limin Liu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Key Laboratory of Research on Utilization of Si-Zr-Ti Resources of Hainan Province, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Zhen Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Key Laboratory of Research on Utilization of Si-Zr-Ti Resources of Hainan Province, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - De Li
- State Key Laboratory of Marine Resource Utilization in South China Sea, Key Laboratory of Research on Utilization of Si-Zr-Ti Resources of Hainan Province, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Yong Chen
- Guangdong Key Laboratory for Hydrogen Energy Technologies; School of Materials Science and Hydrogen Energy, Foshan University, Foshan 528000, China
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13
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Dong X, Wei Y, Gao J, Liu X, Zhang L, Tong Y, Lu Y. Efficient charge transfer over Cu-doped hexagonal WO3 nanocomposites for rapid photochromic response. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113716] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Novak TG, Kim J, DeSario PA, Jeon S. Synthesis and applications of WO 3 nanosheets: the importance of phase, stoichiometry, and aspect ratio. NANOSCALE ADVANCES 2021; 3:5166-5182. [PMID: 36132624 PMCID: PMC9419828 DOI: 10.1039/d1na00384d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 08/05/2021] [Indexed: 06/15/2023]
Abstract
Tungsten trioxide (WO3) is an abundant, versatile oxide that is widely explored for catalysis, sensing, electrochromic devices, and numerous other applications. The exploitation of WO3 in nanosheet form provides potential advantages in many of these fields because the 2D structures have high surface area and preferentially exposed facets. Relative to bulk WO3, nanosheets expose more active sites for surface-sensitive sensing/catalytic reactions, and improve reaction kinetics in cases where ionic diffusion is a limiting factor (e.g. electrochromic or charge storage). Synthesis of high aspect ratio WO3 nanosheets, however, is more challenging than other 2D materials because bulk WO3 is not an intrinsically layered material, making the widely-studied sonication-based exfoliation methods used for other 2D materials not well-suited to WO3. WO3 is also highly complex in terms of how the synthesis method affects the properties of the final material. Depending on the route used and subsequent post-synthesis treatments, a wide variety of different morphologies, phases, exposed facets, and defect structures are created, all of which must be carefully considered for the chosen application. In this review, the recent developments in WO3 nanosheet synthesis and their impact on performance in various applications are summarized and critically analyzed.
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Affiliation(s)
- Travis G Novak
- NRC Postdoctoral Associate, US Naval Research Laboratory Washington D.C. 20375 USA
| | - Jin Kim
- Thin Film Materials Research Center, Korea Research Institute of Chemical Technology Daejeon 34114 Republic of Korea
| | - Paul A DeSario
- Chemistry Division (Code 6100), U.S. Naval Research Laboratory Washington D.C. 20375 USA
| | - Seokwoo Jeon
- Department of Materials Science and Engineering, KAIST Institute for the Nanocentury, Advanced Battery Center, KAIST Daejeon 34141 Republic of Korea
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15
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Wu Q, Wang X, Sun P, Wang Z, Chen J, Chen Z, Song G, Liu C, Mu X, Cong S, Zhao Z. Electrochromic Metamaterials of Metal-Dielectric Stacks for Multicolor Displays with High Color Purity. NANO LETTERS 2021; 21:6891-6897. [PMID: 34355916 DOI: 10.1021/acs.nanolett.1c02030] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Inorganic electrochromic (EC) materials with vibrant multicolor change that are compatible with large-scale processing have been at the forefront of EC technology and are crucial in a wide range of applications, such as displays and camouflage. However, limited strategies are available to realize such inorganic materials, and challenges such as low color purity are yet to be overcome. Here, we demonstrate multilayered metal-dielectric metamaterials (MMDMs) as a new family of inorganics-based EC materials to achieve dynamic alternation among multicolors with high contrast and high color purity, which are structurally realized by significantly enhancing the confinement of the incident light in specific optical frequencies. This multilayer structure renders high reflectivity (75%), high quality factor (7.4), and a full width at half-maximum of 60 nm before coloration and presents a color gamut at least 40% wider than that of previously reported metamaterials after coloration, indicating good color quality.
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Affiliation(s)
- Qi Wu
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
- School of Nano Science and Technology Institute, University of Science and Technology of China, Hefei 230000, China
| | - Xiaoyu Wang
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
| | - Peiyan Sun
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
| | - Zhen Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, College of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Jian Chen
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
| | - Zhigang Chen
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
| | - Ge Song
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
| | - Chenglong Liu
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
| | - Xinyang Mu
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
- School of Nano Science and Technology Institute, University of Science and Technology of China, Hefei 230000, China
| | - Shan Cong
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Chinese Academy of Sciences (CAS), Suzhou 215123, China
- Division of Nanomaterials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, 330200 Nanchang, China
| | - Zhigang Zhao
- Key Lab of Nanodevices and Applications, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences (CAS), Suzhou 215123, China
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Chinese Academy of Sciences (CAS), Suzhou 215123, China
- Division of Nanomaterials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, 330200 Nanchang, China
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Song G, Gong W, Cong S, Zhao Z. Ultrathin Two‐Dimensional Nanostructures: Surface Defects for Morphology‐Driven Enhanced Semiconductor SERS. Angew Chem Int Ed Engl 2021; 60:5505-5511. [DOI: 10.1002/anie.202015306] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Indexed: 12/23/2022]
Affiliation(s)
- Ge Song
- School of Nano-Tech and Nano-Bionics University of Science and Technology of China Hefei 230026 China
- Key Lab of Nanodevices and Applications Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Suzhou 215123 China
| | - Wenbin Gong
- School of Physics and Energy Xuzhou University of Technology Xuzhou 221018 China
| | - Shan Cong
- School of Nano-Tech and Nano-Bionics University of Science and Technology of China Hefei 230026 China
- Key Lab of Nanodevices and Applications Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Suzhou 215123 China
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems Chinese Academy of Sciences (CAS) Suzhou 215123 China
- Division of Nanomaterials Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Nanchang 330200 China
| | - Zhigang Zhao
- School of Nano-Tech and Nano-Bionics University of Science and Technology of China Hefei 230026 China
- Key Lab of Nanodevices and Applications Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Suzhou 215123 China
- Key Laboratory of Multifunctional Nanomaterials and Smart Systems Chinese Academy of Sciences (CAS) Suzhou 215123 China
- Division of Nanomaterials Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Nanchang 330200 China
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Ultrathin Two‐Dimensional Nanostructures: Surface Defects for Morphology‐Driven Enhanced Semiconductor SERS. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015306] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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