1
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Yi J, Zhang G, Cao X, Zhu X, Li L, Wang X, Zhu X, Song Y, Xu H, Wang X. Structurally disordered MoSe 2 with rich 1T phase as a universal platform for enhanced photocatalytic hydrogen production. J Colloid Interface Sci 2024; 668:492-501. [PMID: 38691959 DOI: 10.1016/j.jcis.2024.04.166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 04/21/2024] [Accepted: 04/23/2024] [Indexed: 05/03/2024]
Abstract
The improvement of surface reactivity in noble-metal-free cocatalysts is crucial for the development of efficient and cost-effective photocatalytic systems. However, the influence of crystallinity on catalytic efficacy has received limited attention. Herein, we report the utilization of structurally disordered MoSe2 with abundant 1T phase as a versatile cocatalyst for photocatalytic hydrogen evolution. Using MoSe2/carbon nitride (CN) hybrids as a case study, it is demonstrated that amorphous MoSe2 significantly enhances the hydrogen evolution rate of CN, achieving up to 11.37 μmol h-1, surpassing both low crystallinity (8.24 μmol h-1) and high crystallinity MoSe2 (3.86 μmol h-1). Experimental analysis indicates that the disordered structure of amorphous MoSe2, characterized by coordination-unsaturated surface sites and a rich 1T phase with abundant active sites at the basal plane, predominantly facilitates the conversion of surface-bound protons to hydrogen. Conversely, the heightened charge transfer capacity of the highly crystalline counterpart plays a minor role in enhancing practical catalytic performance. This approach is applicable for enhancing the photocatalytic hydrogen evolution performance of various semiconducting photocatalysts, including CdS, TiO2, and ZnIn2S4, thereby offering novel insights into the advancement of high-performance non-precious catalysts through phase engineering.
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Affiliation(s)
- Jianjian Yi
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Guoxiang Zhang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Xiangyang Cao
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Xianglin Zhu
- School of the Environment and Safety Engineering, Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Li Li
- School of the Environment and Safety Engineering, Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xuyu Wang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, China
| | - Xingwang Zhu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Yanhua Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, China.
| | - Hui Xu
- School of the Environment and Safety Engineering, Institute for Energy Research, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Xiaozhi Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China.
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2
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Xin D, Zhang X, Zhang Z, Sun J, Li Q, He X, Jiang R, Liu Z, Lei Z. Pre-Intercalation of TMA Cations in MoS 2 Interlayers for Fast and Stable Zinc Ion Storage. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403050. [PMID: 38984752 DOI: 10.1002/smll.202403050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/27/2024] [Indexed: 07/11/2024]
Abstract
Applications of aqueous zinc ion batteries (ZIBs) for grid-scale energy storage are hindered by the lacking of stable cathodes with large capacity and fast redox kinetics. Herein, the intercalation of tetramethylammonium (TMA+) cations is reported into MoS2 interlayers to expand its spacing from 0.63 to 1.06 nm. The pre-intercalation of TMA+ induces phase transition of MoS2 from 2H to 1T phase, contributing to an enhanced conductivity and better wettability. Besides, The calculation from density functional theory indicates that those TMA+ can effectively shield the interactions between Zn2+ and MoS2 layers. Consequently, two orders magnitude high Zn2+ ions diffusion coefficient and 11 times enhancement in specific capacity (212.4 vs 18.9 mAh g‒1 at 0.1 A g‒1) are achieved. The electrochemical investigations reveal both Zn2+ and H+ can be reversibly co-inserted into the MoS2-TMA electrode. Moreover, the steady habitat of TMA+ between MoS2 interlayers affords the MoS2-TMA with remarkable cycling stability (90.1% capacity retention after 2000 cycles at 5.0 A g‒1). These performances are superior to most of the recent zinc ion batteries assembled with MoS2 or VS2-based cathodes. This work offers a new avenue to tuning the structure of MoS2 for aqueous ZIBs.
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Affiliation(s)
- Diheng Xin
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Xianchi Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Zhanrui Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Jie Sun
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Qi Li
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Xuexia He
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Ruibin Jiang
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Zonghuai Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
| | - Zhibin Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, MOE, Shaanxi Engineering Lab for Advanced Energy Technology, Shaanxi Key Laboratory for Advanced Energy Devices, School of Materials Science and Engineering, Shaanxi Normal University, 620 West Chang'an Street, Xi'an, Shaanxi, 710119, China
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3
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Nhiem LT, Khanh Linh DT, Nguyen H, Hieu NH. Defect-Driven MoS 2 Nanosheets toward Enhanced Sensing Sensitivity. ACS OMEGA 2024; 9:27065-27070. [PMID: 38947855 PMCID: PMC11209701 DOI: 10.1021/acsomega.4c00379] [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: 01/11/2024] [Revised: 05/31/2024] [Accepted: 06/07/2024] [Indexed: 07/02/2024]
Abstract
In this study, S-deficient MoS2 was prepared using proton irradiation and then applied as sensing materials for the detection of NO2 gas. First, bulk MoS2 was treated by ultrasonics to produce 2D nanosheets of MoS2, which were subsequently bombarded by a flux of high-energy protons, resulting in the appearance of structural defects throughout MoS2. The proton fluxes were adjusted to different densities of 1 × 1011, 1 × 1012, 1 × 1013, and 1 × 1014 ions/cm2. The effects of proton irradiation on the defects, also referred to as atomic vacancies, were systematically investigated using Raman measurements to locate the E1 2g and A1g modes and X-ray photoelectron spectroscopy to determine the binding energy of Mo 3d and S 2p orbitals. It was revealed that the density of proton irradiation greatly affects the degree of S atom vacancies in irradiated MoS2, while also enhancing the n-type semiconducting behaviors of MoS2. The vacancy-rich MoS2 was then demonstrated to exhibit a higher response to NO2 gas compared to that of nonirradiated MoS2, showing a 4-fold increase in response within a concentration range from 1 to 20 ppm. These results could pave the way for new approaches to fabricating sensing materials.
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Affiliation(s)
- Ly Tan Nhiem
- Faculty
of Chemical and Food Technology, Ho Chi
Minh City University of Technology and Education, 01 Vo Van Ngan Street, Linh Chieu
Ward, Thu Duc City, Ho Chi Minh City 71300, Vietnam
| | - Do Thuy Khanh Linh
- Faculty
of Chemical and Food Technology, Ho Chi
Minh City University of Technology and Education, 01 Vo Van Ngan Street, Linh Chieu
Ward, Thu Duc City, Ho Chi Minh City 71300, Vietnam
| | - Hang Nguyen
- Development
Group, Samsung Display Vietnam Co., Ltd., Yen Phong Industrial Zone, Yen Phong District, Bac Ninh Province 00700, Vietnam
| | - Nguyen Huu Hieu
- VNU-HCM
Key Laboratory of Chemical Engineering and Petroleum Processing (Key
CEPP Lab), Ho Chi Minh City University of
Technology (HCMUT), 268
Ly Thuong Kiet Street, District 10, Ho Chi
Minh City 70000, Vietnam
- Faculty
of Chemical Engineering, Ho Chi Minh City
University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho
Chi Minh City 70000, Vietnam
- Vietnam
National University Ho Chi Minh City (VNU-HCM), Linh Trung Ward, Thu Duc City, Ho Chi Minh City 71300, Vietnam
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4
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Guo S, Ma M, Wang Y, Wang J, Jiang Y, Duan R, Lei Z, Wang S, He Y, Liu Z. Spatially Confined Microcells: A Path toward TMD Catalyst Design. Chem Rev 2024; 124:6952-7006. [PMID: 38748433 DOI: 10.1021/acs.chemrev.3c00711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
With the ability to maximize the exposure of nearly all active sites to reactions, two-dimensional transition metal dichalcogenide (TMD) has become a fascinating new class of materials for electrocatalysis. Recently, electrochemical microcells have been developed, and their unique spatial-confined capability enables understanding of catalytic behaviors at a single material level, significantly promoting this field. This Review provides an overview of the recent progress in microcell-based TMD electrocatalyst studies. We first introduced the structural characteristics of TMD materials and discussed their site engineering strategies for electrocatalysis. Later, we comprehensively described two distinct types of microcells: the window-confined on-chip electrochemical microcell (OCEM) and the droplet-confined scanning electrochemical cell microscopy (SECCM). Their setups, working principles, and instrumentation were elucidated in detail, respectively. Furthermore, we summarized recent advances of OCEM and SECCM obtained in TMD catalysts, such as active site identification and imaging, site monitoring, modulation of charge injection and transport, and electrostatic field gating. Finally, we discussed the current challenges and provided personal perspectives on electrochemical microcell research.
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Affiliation(s)
- Shasha Guo
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Mingyu Ma
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 637616, Singapore
| | - Yuqing Wang
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Jinbo Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yubin Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Ruihuan Duan
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 639798, Singapore
| | - Zhendong Lei
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
| | - Shuangyin Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yongmin He
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Zheng Liu
- School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 639798, Singapore
- Institute for Functional Intelligent Materials, National University of Singapore, 117544, Singapore
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5
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Li Z, Zhai L, Zhang Q, Zhai W, Li P, Chen B, Chen C, Yao Y, Ge Y, Yang H, Qiao P, Kang J, Shi Z, Zhang A, Wang H, Liang J, Liu J, Guan Z, Liao L, Neacșu VA, Ma C, Chen Y, Zhu Y, Lee CS, Ma L, Du Y, Gu L, Li JF, Tian ZQ, Ding F, Zhang H. 1T'-transition metal dichalcogenide monolayers stabilized on 4H-Au nanowires for ultrasensitive SERS detection. NATURE MATERIALS 2024:10.1038/s41563-024-01860-w. [PMID: 38589543 DOI: 10.1038/s41563-024-01860-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 03/13/2024] [Indexed: 04/10/2024]
Abstract
Unconventional 1T'-phase transition metal dichalcogenides (TMDs) have aroused tremendous research interest due to their unique phase-dependent physicochemical properties and applications. However, due to the metastable nature of 1T'-TMDs, the controlled synthesis of 1T'-TMD monolayers (MLs) with high phase purity and stability still remains a challenge. Here we report that 4H-Au nanowires (NWs), when used as templates, can induce the quasi-epitaxial growth of high-phase-purity and stable 1T'-TMD MLs, including WS2, WSe2, MoS2 and MoSe2, via a facile and rapid wet-chemical method. The as-synthesized 4H-Au@1T'-TMD core-shell NWs can be used for ultrasensitive surface-enhanced Raman scattering (SERS) detection. For instance, the 4H-Au@1T'-WS2 NWs have achieved attomole-level SERS detections of Rhodamine 6G and a variety of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike proteins. This work provides insights into the preparation of high-phase-purity and stable 1T'-TMD MLs on metal substrates or templates, showing great potential in various promising applications.
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Affiliation(s)
- Zijian Li
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Li Zhai
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center, City University of Hong Kong, Hong Kong, China
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, China
| | - Wei Zhai
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Pai Li
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China
| | - Bo Chen
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Changsheng Chen
- Department of Applied Physics, Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hong Kong, China
| | - Yao Yao
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Yiyao Ge
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Hua Yang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Panzhe Qiao
- Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, and Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China
| | - Jianing Kang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Zhenyu Shi
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - An Zhang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Hongyi Wang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Jinzhe Liang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Jiawei Liu
- Center for Programmable Materials, School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore
| | - Zhiqiang Guan
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Lingwen Liao
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | | | - Chen Ma
- Department of Chemistry, The Chinese University of Hong Kong, Hong Kong, China
| | - Ye Chen
- Department of Chemistry, The Chinese University of Hong Kong, Hong Kong, China
| | - Ye Zhu
- Department of Applied Physics, Research Institute for Smart Energy, The Hong Kong Polytechnic University, Hong Kong, China
| | - Chun-Sing Lee
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
- Center of Super-Diamond and Advanced Films, City University of Hong Kong, Hong Kong, China
| | - Lu Ma
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, USA
| | - Yonghua Du
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, NY, USA
| | - Lin Gu
- Beijing National Center for Electron Microscopy and Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Jian-Feng Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iChEM, Department of Physics, College of Chemistry and Chemical Engineering, and College of Energy, Xiamen University, Xiamen, China
| | - Zhong-Qun Tian
- State Key Laboratory of Physical Chemistry of Solid Surfaces, iChEM, Department of Physics, College of Chemistry and Chemical Engineering, and College of Energy, Xiamen University, Xiamen, China
| | - Feng Ding
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China.
- Faculty of Materials Science and Engineering/Institute of Technology for Carbon Neutrality, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China.
- Hong Kong Branch of National Precious Metals Material Engineering Research Center, City University of Hong Kong, Hong Kong, China.
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, China.
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Wang Y, Zhai W, Ren Y, Zhang Q, Yao Y, Li S, Yang Q, Zhou X, Li Z, Chi B, Liang J, He Z, Gu L, Zhang H. Phase-Controlled Growth of 1T'-MoS 2 Nanoribbons on 1H-MoS 2 Nanosheets. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307269. [PMID: 37934742 DOI: 10.1002/adma.202307269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 10/31/2023] [Indexed: 11/09/2023]
Abstract
2D heterostructures are emerging as alternatives to conventional semiconductors, such as silicon, germanium, and gallium nitride, for next-generation electronics and optoelectronics. However, the direct growth of 2D heterostructures, especially for those with metastable phases still remains challenging. To obtain 2D transition metal dichalcogenides (TMDs) with designed phases, it is highly desired to develop phase-controlled synthetic strategies. Here, a facile chemical vapor deposition method is reported to prepare vertical 1H/1T' MoS2 heterophase structures. By simply changing the growth atmosphere, semimetallic 1T'-MoS2 can be in situ grown on the top of semiconducting 1H-MoS2, forming vertical semiconductor/semimetal 1H/1T' heterophase structures with a sharp interface. The integrated device based on the 1H/1T' MoS2 heterophase structure displays a typical rectifying behavior with a current rectifying ratio of ≈103. Moreover, the 1H/1T' MoS2-based photodetector achieves a responsivity of 1.07 A W-1 at 532 nm with an ultralow dark current of less than 10-11 A. The aforementioned results indicate that 1H/1T' MoS2 heterophase structures can be a promising candidate for future rectifiers and photodetectors. Importantly, the approach may pave the way toward tailoring the phases of TMDs, which can help us utilize phase engineering strategies to promote the performance of electronic devices.
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Affiliation(s)
- Yongji Wang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Wei Zhai
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Yi Ren
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yao Yao
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Siyuan Li
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Qi Yang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Xichen Zhou
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Zijian Li
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Banlan Chi
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Jinzhe Liang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Zhen He
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Lin Gu
- Beijing National Center for Electron Microscopy and Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
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7
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Ding X, Xue Y, Wang J, Tian J. Semimetal 1T' phase molybdenum sulfide decorated on zinc indium sulfide with S-scheme heterojunction for enhanced photocatalytic hydrogen evolution. J Colloid Interface Sci 2024; 659:225-234. [PMID: 38176232 DOI: 10.1016/j.jcis.2023.12.161] [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: 11/08/2023] [Revised: 12/19/2023] [Accepted: 12/28/2023] [Indexed: 01/06/2024]
Abstract
Heterojunction engineering is an effective strategy to improve photocatalytic performance. Two-dimensional (2D)/2D semimetal 1T' phase molybdenum sulfide/zinc indium sulfide (1T'-MoS2/ZnIn2S4) S-scheme heterojunctions with tight and stable interfaces were synthesized by a simple hydrothermal synthesis method. Under the optimal 1T'-MoS2 loading ratio (5 wt%), the hydrogen production rate of 1T'-MoS2/ZnIn2S4 composites reaches 11.42 mmol h-1 g-1, which is 3.1 and 1.4 times higher than that of pure ZnIn2S4 (2.9 mmol h-1 g-1) and ZnIn2S4/Pt (8.01 mmol h-1 g-1), and the apparent quantum efficiency (AQE) reaches 53.17 % (λ = 370 nm). Semimetal 1T' phase MoS2 on ZnIn2S4 broadens the light absorption range, enhances the light absorption ability, promotes electron transfer, and offers abundant active sites. The establishment of S-scheme heterojunctions achieves the spatial separation of photogenerated charges and increases the reduction potential. This work provides insights for the design of novel photocatalysts.
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Affiliation(s)
- Xiaoyan Ding
- School of Materials Science and Engineering, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Yanjun Xue
- School of Materials Science and Engineering, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Jingjing Wang
- School of Materials Science and Engineering, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
| | - Jian Tian
- School of Materials Science and Engineering, College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China.
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8
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Man P, Jiang S, Leung KH, Lai KH, Guang Z, Chen H, Huang L, Chen T, Gao S, Peng YK, Lee CS, Deng Q, Zhao J, Ly TH. Salt-Induced High-Density Vacancy-Rich 2D MoS 2 for Efficient Hydrogen Evolution. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2304808. [PMID: 37505096 DOI: 10.1002/adma.202304808] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/24/2023] [Indexed: 07/29/2023]
Abstract
Emerging non-noble metal 2D catalysts, such as molybdenum disulfide (MoS2), hold great promise in hydrogen evolution reactions. The sulfur vacancy is recognized as a key defect type that can activate the inert basal plane to improve the catalytic performance. Unfortunately, the method of introducing sulfur vacancies is limited and requires costly post-treatment processes. Here, a novel salt-assisted chemical vapor deposition (CVD) method is demonstrated for synthesizing ultrahigh-density vacancy-rich 2H-MoS2, with a controllable sulfur vacancy density of up to 3.35 × 1014 cm-2. This approach involves a pre-sprayed potassium chloridepromoter on the growth substrate. The generation of such defects is closely related to ion adsorption in the growth process, the unstable MoS2-K-H2O triggers the formation of sulfur vacancies during the subsequent transfer process, and it is more controllable and nondestructive when compared to traditional post-treatment methods. The vacancy-rich monolayer MoS2 exhibits exceptional catalytic activity based on the microcell measurements, with an overpotential of ≈158.8 mV (100 mA cm-2) and a Tafel slope of 54.3 mV dec-1 in 0.5 m H2SO4 electrolyte. These results indicate a promising opportunity for modulating sulfur vacancy defects in MoS2 using salt-assisted CVD growth. This approach represents a significant leap toward achieving better control over the catalytic performances of 2D materials.
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Affiliation(s)
- Ping Man
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- Department of Chemistry Center of Super-Diamond & Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Shan Jiang
- Department of Applied Physics, The Hong Kong Polytechnic University Kowloon, Hong Kong, 999077, P. R. China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Ka Ho Leung
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- Department of Chemistry Center of Super-Diamond & Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Ka Hei Lai
- Department of Applied Physics, The Hong Kong Polytechnic University Kowloon, Hong Kong, 999077, P. R. China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Zhiqiang Guang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- Department of Chemistry Center of Super-Diamond & Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
| | - Honglin Chen
- Department of Applied Physics, The Hong Kong Polytechnic University Kowloon, Hong Kong, 999077, P. R. China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Lingli Huang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- Department of Chemistry Center of Super-Diamond & Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Tianren Chen
- Department of Applied Physics, The Hong Kong Polytechnic University Kowloon, Hong Kong, 999077, P. R. China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Shan Gao
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- Department of Chemistry Center of Super-Diamond & Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Yung-Kang Peng
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
| | - Chun-Sing Lee
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- Department of Chemistry Center of Super-Diamond & Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
| | - Qingming Deng
- Physics department and Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, Huaiyin Normal University, Huaian, 223300, P. R. China
| | - Jiong Zhao
- Department of Applied Physics, The Hong Kong Polytechnic University Kowloon, Hong Kong, 999077, P. R. China
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, P. R. China
| | - Thuc Hue Ly
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- Department of Chemistry Center of Super-Diamond & Advanced Films (COSDAF), City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, 518057, P. R. China
- Department of Chemistry and State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong, 999077, P. R. China
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9
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Xu J, Li Y, Yan F. Constructed MXene matrix composites as sensing material and applications thereof: A review. Anal Chim Acta 2024; 1288:342027. [PMID: 38220263 DOI: 10.1016/j.aca.2023.342027] [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: 07/27/2023] [Revised: 11/10/2023] [Accepted: 11/11/2023] [Indexed: 01/16/2024]
Abstract
Most studies on MXene matrix composites for sensor development have primarily focused on synthesis and application. Nevertheless, there is currently a lack of research on how the introduction of different materials affects the sensing properties of these composites. The rapid development of MXene has raised intriguing questions about improving sensor performance by combining MXene with other materials such as polymers, metals and inorganic non-metals. This review will concentrate on the construction of MXene-based composites and explore ways to enhance their sensor applications. Specifically, this review describes why the introduction of materials to the system brings the advantage of low concentration and high sensitivity assays, as well as the MXene-based frameworks that have been recently investigated. Lastly, in order to capture the current trend of MXene-based composites in sensor applications and identify promising research directions, this review will critically evaluate the potential applications of newly developed MXene systems.
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Affiliation(s)
- Jinyun Xu
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin, 300387, PR China; School of Chemical Engineering and Technology, Tiangong University, Tianjin, 300387, PR China
| | - Yating Li
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin, 300387, PR China; School of Chemical Engineering and Technology, Tiangong University, Tianjin, 300387, PR China
| | - Fanyong Yan
- State Key Laboratory of Separation Membranes and Membrane Processes, Tiangong University, Tianjin, 300387, PR China; School of Pharmaceutical Sciences, Tiangong University, Tianjin, 300387, PR China.
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10
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Deng B, Liu J, Zhou X. Gate tunable linear dichroism in monolayer 1T'-MoS 2. OPTICS EXPRESS 2024; 32:4158-4166. [PMID: 38297622 DOI: 10.1364/oe.513966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 01/11/2024] [Indexed: 02/02/2024]
Abstract
The linear dichroism demonstrates promising applications in the fields of polarization-resolved photodetectors and polarization optical imaging. Herein, we study the optical properties of monolayer 1T'-MoS2 based on a four-band effective k · p Hamiltonian within the framework of linear response theory. Owing to the anisotropic band structure, the k-resolved optical transition matrix elements associated with armchair(x) and zigzag(y) direction polarized light exhibit a staggered pattern. The anisotropy of the optical absorption spectrum is shown to sensitively depend on the photon energy, the light polarization and the gate voltage. A gate voltage can continuously modulate the anisotropy of the optical absorption spectra, rendering it isotropic or even reversing the initial anisotropy. This modulation leads to linear dichroism conversions across multiple wavelengths. Our findings are useful to design polarized photodetectors and sensors based on monolayer 1T'-MoS2. Our results are also applicable to other monolayer transition metal dichalcogenides with 1T' structure.
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11
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Yun Q, Ge Y, Shi Z, Liu J, Wang X, Zhang A, Huang B, Yao Y, Luo Q, Zhai L, Ge J, Peng Y, Gong C, Zhao M, Qin Y, Ma C, Wang G, Wa Q, Zhou X, Li Z, Li S, Zhai W, Yang H, Ren Y, Wang Y, Li L, Ruan X, Wu Y, Chen B, Lu Q, Lai Z, He Q, Huang X, Chen Y, Zhang H. Recent Progress on Phase Engineering of Nanomaterials. Chem Rev 2023. [PMID: 37962496 DOI: 10.1021/acs.chemrev.3c00459] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
As a key structural parameter, phase depicts the arrangement of atoms in materials. Normally, a nanomaterial exists in its thermodynamically stable crystal phase. With the development of nanotechnology, nanomaterials with unconventional crystal phases, which rarely exist in their bulk counterparts, or amorphous phase have been prepared using carefully controlled reaction conditions. Together these methods are beginning to enable phase engineering of nanomaterials (PEN), i.e., the synthesis of nanomaterials with unconventional phases and the transformation between different phases, to obtain desired properties and functions. This Review summarizes the research progress in the field of PEN. First, we present representative strategies for the direct synthesis of unconventional phases and modulation of phase transformation in diverse kinds of nanomaterials. We cover the synthesis of nanomaterials ranging from metal nanostructures such as Au, Ag, Cu, Pd, and Ru, and their alloys; metal oxides, borides, and carbides; to transition metal dichalcogenides (TMDs) and 2D layered materials. We review synthesis and growth methods ranging from wet-chemical reduction and seed-mediated epitaxial growth to chemical vapor deposition (CVD), high pressure phase transformation, and electron and ion-beam irradiation. After that, we summarize the significant influence of phase on the various properties of unconventional-phase nanomaterials. We also discuss the potential applications of the developed unconventional-phase nanomaterials in different areas including catalysis, electrochemical energy storage (batteries and supercapacitors), solar cells, optoelectronics, and sensing. Finally, we discuss existing challenges and future research directions in PEN.
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Affiliation(s)
- Qinbai Yun
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Department of Chemical and Biological Engineering & Energy Institute, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Yiyao Ge
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
| | - Zhenyu Shi
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Jiawei Liu
- Institute of Sustainability for Chemicals, Energy and Environment, Agency for Science, Technology and Research (A*STAR), Singapore, 627833, Singapore
| | - Xixi Wang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - An Zhang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Biao Huang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
| | - Yao Yao
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Qinxin Luo
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Li Zhai
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
| | - Jingjie Ge
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR
| | - Yongwu Peng
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Chengtao Gong
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Meiting Zhao
- Institute of Molecular Aggregation Science, Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, China
| | - Yutian Qin
- Institute of Molecular Aggregation Science, Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin 300072, China
| | - Chen Ma
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Gang Wang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Qingbo Wa
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Xichen Zhou
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Zijian Li
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Siyuan Li
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Wei Zhai
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Hua Yang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yi Ren
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yongji Wang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Lujing Li
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Xinyang Ruan
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yuxuan Wu
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Bo Chen
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, School of Chemistry and Life Sciences, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Qipeng Lu
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Zhuangchai Lai
- Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, China
| | - Xiao Huang
- Institute of Advanced Materials (IAM), School of Flexible Electronics (SoFE), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
| | - Ye Chen
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen 518057, China
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12
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Zhao Y, Zheng X, Gao P, Li H. Recent advances in defect-engineered molybdenum sulfides for catalytic applications. MATERIALS HORIZONS 2023; 10:3948-3999. [PMID: 37466487 DOI: 10.1039/d3mh00462g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Electrochemical energy conversion and storage driven by renewable energy sources is drawing ever-increasing interest owing to the needs of sustainable development. Progress in the related electrochemical reactions relies on highly active and cost-effective catalysts to accelerate the sluggish kinetics. A substantial number of catalysts have been exploited recently, thanks to the advances in materials science and engineering. In particular, molybdenum sulfide (MoSx) furnishes a classic platform for studying catalytic mechanisms, improving catalytic performance and developing novel catalytic reactions. Herein, the recent theoretical and experimental progress of defective MoSx for catalytic applications is reviewed. This article begins with a brief description of the structure and basic catalytic applications of MoS2. The employment of defective two-dimensional and non-two-dimensional MoSx catalysts in the hydrogen evolution reaction (HER) is then reviewed, with a focus on the combination of theoretical and experimental tools for the rational design of defects and understanding of the reaction mechanisms. Afterward, the applications of defective MoSx as catalysts for the N2 reduction reaction, the CO2 reduction reaction, metal-sulfur batteries, metal-oxygen/air batteries, and the industrial hydrodesulfurization reaction are discussed, with a special emphasis on the synergy of multiple defects in achieving performance breakthroughs. Finally, the perspectives on the challenges and opportunities of defective MoSx for catalysis are presented.
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Affiliation(s)
- Yunxing Zhao
- School of Materials, Sun Yat-sen University, Guangzhou 510275, China.
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore.
| | - Xiaolin Zheng
- Department of Mechanical Engineering, Stanford University, California 94305, USA.
| | - Pingqi Gao
- School of Materials, Sun Yat-sen University, Guangzhou 510275, China.
| | - Hong Li
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore.
- CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 637553, Singapore
- Centre for Micro-/Nano-electronics (NOVITAS), School of Electrical and Electronic Engineering, Nanyang Technological University, 639798, Singapore
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13
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Wang W, Qi J, Wu Z, Zhai W, Pan Y, Bao K, Zhai L, Wu J, Ke C, Wang L, Ding M, He Q. On-chip electrocatalytic microdevices. Nat Protoc 2023; 18:2891-2926. [PMID: 37596356 DOI: 10.1038/s41596-023-00866-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 04/25/2023] [Indexed: 08/20/2023]
Abstract
On-chip electrocatalytic microdevices (OCEMs) are an emerging electrochemical platform specialized for investigating nanocatalysts at the microscopic level. The OCEM platform allows high-precision electrochemical measurements at the individual nanomaterial level and, more importantly, offers unique perspectives inaccessible with conventional electrochemical methods. This protocol describes the critical concepts, experimental standardization, operational principles and data analysis of OCEMs. Specifically, standard protocols for the measurement of the electrocatalytic hydrogen evolution reaction of individual 2D nanosheets are introduced with data validation, interpretation and benchmarking. A series of factors (e.g., the exposed area of material, the choice of passivation layer and current leakage) that could have effects on the accuracy and reliability of measurement are discussed. In addition, as an example of the high adaptability of OCEMs, the protocol for in situ electrical transport measurement is detailed. We believe that this protocol will promote the general adoption of the OCEM platform and inspire further development in the near future. This protocol requires essential knowledge in chemical synthesis, device fabrication and electrochemistry.
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Affiliation(s)
- Wenbin Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Junlei Qi
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Zongxiao Wu
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Wei Zhai
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Yanghang Pan
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, China
| | - Kai Bao
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Li Zhai
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Jingkun Wu
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Chengxuan Ke
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Lingzhi Wang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China
| | - Mengning Ding
- Key Laboratory of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, China.
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong, China.
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14
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Fang J, You W, Xu C, Yang B, Wang M, Zhang J, Che R. Phase Transition Induced via the Template Enabling Cocoon-like MoS 2 an Exceptionally Electromagnetic Absorber. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205407. [PMID: 36461729 DOI: 10.1002/smll.202205407] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/28/2022] [Indexed: 06/17/2023]
Abstract
Structural engineering via the template method is efficient for micro-nano assembling. However, only structural design and lack of composition control restrict their advanced application. To overcome this issue, applying a template to simultaneously realize the structural design and fine component control is highly desired, which has been ignored. In this study, a spinel-shaped MoS2 heterostructure with controlled phase ratios of 1H and 2H phase is developed using the AlOOH template method. This work demonstrates that the MoS2 phase transition mechanism from 2H to 1T is substantially attributed to the close exposed crystal's surface and approximately accordant surface energy. The superiority and additional proof are provided based on density-functional theory simulation, transmission electron microscope holography, etc. With an effective absorptance region of 6.3 GHz under a thickness of 1.4 mm, the reported samples present outstanding microwave absorption capacity. This is attributed to the beneficial coupled effect between the well-designed structure and phase regulation. This work offers valuable insights into structural engineering and component regulation template methods.
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Affiliation(s)
- Jiefeng Fang
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, School of Microelectronics, Fudan University, Shanghai, 200438, P. R. China
| | - Wenbin You
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, School of Microelectronics, Fudan University, Shanghai, 200438, P. R. China
| | - Chunyang Xu
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, School of Microelectronics, Fudan University, Shanghai, 200438, P. R. China
| | - Bintong Yang
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, School of Microelectronics, Fudan University, Shanghai, 200438, P. R. China
| | - Min Wang
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, School of Microelectronics, Fudan University, Shanghai, 200438, P. R. China
| | | | - Renchao Che
- Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, School of Microelectronics, Fudan University, Shanghai, 200438, P. R. China
- Zhejiang Laboratory, Hangzhou, 311100, P. R. China
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15
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Fang Y, Lv X, Lv Z, Wang Y, Zheng G, Huang F. Electron-Extraction Engineering Induced 1T''-1T' Phase Transition of Re 0.75 V 0.25 Se 2 for Ultrafast Sodium Ion Storage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2205680. [PMID: 36372525 PMCID: PMC9798975 DOI: 10.1002/advs.202205680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/13/2022] [Indexed: 06/01/2023]
Abstract
Inducing new phases of transition metal dichalcogenides by controlling the d-electron-count has attracted much interest due to their novel structures and physicochemical properties. 1T'' ReSe2 is a promising candidate for sodium storage, but the low electronic conductivity and limited active sites hinder its electrochemical capacity. Herein, new-phase 1T' Re0.75 V0.25 Se2 crystals (P2/m) with zig-zag chains are successfully synthesized. The 1T''-1T' phase transition results from the electronic reorganization of 5d orbitals via electron extraction after V-atom doping. The electrical conductivity of 1T' Re0.75 V0.25 Se2 is 2.7 × 105 times higher than that of 1T'' ReSe2 . Moreover, density functional theory (DFT) calculations reveal that 1T' Re0.75 V0.25 Se2 has a larger interlayer spacing, lower bonding energy, and migration energy barrier for Na+ ions than 1T'' ReSe2 . As a result, 1T' Re0.75 V0.25 Se2 electrode shows an excellent rate capability of 203 mAh g-1 at 50 C with no capacity fading over 5000 cycles for sodium storage, which is superior to most reported sodium-ion anode materials. This 1T' Re0.75 V0.25 Se2 provides a new platform for various applications such as electronics, catalysis, and energy storage.
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Affiliation(s)
- Yuqiang Fang
- State Key Laboratory of High‐Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics Chinese Academy of SciencesShanghai200050P. R. China
| | - Ximeng Lv
- Laboratory of Advanced MaterialsDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative MaterialsFudan UniversityShanghai200438P. R. China
| | - Zhuoran Lv
- State Key Laboratory of High‐Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics Chinese Academy of SciencesShanghai200050P. R. China
| | - Yang Wang
- State Key Laboratory of High‐Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics Chinese Academy of SciencesShanghai200050P. R. China
| | - Gengfeng Zheng
- Laboratory of Advanced MaterialsDepartment of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative MaterialsFudan UniversityShanghai200438P. R. China
| | - Fuqiang Huang
- State Key Laboratory of High‐Performance Ceramics and Superfine MicrostructureShanghai Institute of Ceramics Chinese Academy of SciencesShanghai200050P. R. China
- State Key Laboratory of Rare Earth Materials Chemistry and ApplicationsCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing100871P. R. China
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16
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Li N, Guo S, Pan B, Xie M, Yan J, Chen Z. The Effect of 1T Phase Molybdenum Disulfide on the Tribological Performance of Polyethylene Glycol. J MACROMOL SCI B 2022. [DOI: 10.1080/00222348.2022.2124748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Ning Li
- Key Laboratory of Polymer Science and Nano Technology, Henan University of Science and Technology, Luoyang, PR China
| | - Shihao Guo
- Key Laboratory of Polymer Science and Nano Technology, Henan University of Science and Technology, Luoyang, PR China
| | - Bingli Pan
- Henan Key Laboratory of Tribology, Henan University of Science and Technology, Luoyang, PR China
| | - Mengxin Xie
- Key Laboratory of Polymer Science and Nano Technology, Henan University of Science and Technology, Luoyang, PR China
| | - Junjiang Yan
- Key Laboratory of Polymer Science and Nano Technology, Henan University of Science and Technology, Luoyang, PR China
| | - Zhe Chen
- Key Laboratory of Polymer Science and Nano Technology, Henan University of Science and Technology, Luoyang, PR China
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17
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Ying Z, Lv Y, Song H, Ma Y, Chen R, Janyasupab M, Feng L, Zhang Y. 1T-Phase molybdenum sulfide/cobalt oxide nanopillars hybrid nanostructure coupled with nitrogen-doped carbon thin-film as high efficiency electrocatalyst for oxygen evolution. J Colloid Interface Sci 2022; 608:3040-3048. [PMID: 34815080 DOI: 10.1016/j.jcis.2021.11.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 11/29/2022]
Abstract
High efficient and durable catalysts are always needed to lower the kinetic barriers as well as prolong the service life associated with oxygen evolution reaction (OER). Herein, a sequential synthetic strategy is considered to prepare a hierarchical nanostructure, in which each component can be configured to achieve their full potential so that endows the resulting nanocatalyst a good overall performance. In order to realize this, well-organized cobalt oxide (Co3O4) nanopillars are firstly grown onto ultrathin 1T-molybdenum sulfide (1T-MoS2) to obtain high surface area electrocatalyst, providing electron transfer pathways and structural stability. After that, zeolitic imidazolate framework-67 (ZIF-67) derived carbonization film is further in situ deposited on the surface of nanopillars to generate plentiful active sites, thereby accelerating OER kinetics. Based on the combination of different components, the electron transfer capability, catalytic activity and durability are optimized and fully implemented. The obtained nanocatalyst (defined as 1T-MoS2/Co3O4/CN) exhibits the superior OER catalytic ability with the overpotential of 202 mV and Tafel slope of 57 mV·dec-1 at 10 mA·cm-2 in 0.1 M KOH, and good durability with a minor chronoamperometric decay of 9.15 % after 60,000 s of polarization.
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Affiliation(s)
- Zi Ying
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Yu Lv
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Haixiang Song
- Henan International Joint Research Laboratory of Nanocomposite Sensing Materials, Anyang Institute of Technology, Anyang 455000, China
| | - Yujie Ma
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Riming Chen
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Metini Janyasupab
- Department of Electronics Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
| | - Lingyan Feng
- Materials Genome Institute, Shanghai University, Shanghai 200444, China
| | - Yuan Zhang
- Materials Genome Institute, Shanghai University, Shanghai 200444, China; State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China.
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18
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Huang Y, Si J, Lin S, Lv H, Song W, Zhang R, Luo X, Lu W, Zhu X, Sun Y. Colossal 3D Electrical Anisotropy of MoAlB Single Crystal. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104460. [PMID: 35112501 DOI: 10.1002/smll.202104460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/30/2021] [Indexed: 06/14/2023]
Abstract
3D anisotropic functional properties (such as magnetic, electrical, thermal, and optical properties, etc.) in a single material are not only beneficial to the multipurpose of a material, but also helpful to enrich the regulatory dimensionality of functional materials. Herein, a colossal 3D electrical anisotropy of layered MAB-phase MoAlB single crystal is introduced and dissected. Using high-temperature metal-solution method, high-quality MoAlB single crystals are obtained and a surprisingly strong out-of-plane (σa /σb = 1.43 × 105 , at 2 K) and in-plane (σa /σc = 12.12, at 2 K) electrical anisotropies are first observed. After a series of experimental and theoretical investigations, it is demonstrated that the 3D anisotropic crystal structure and chemical bond of MoAlB result in its 3D anisotropic phonon vibration and electronic structure, influence the corresponding electron-electron as well as electron-phonon interactions, and finally give rise to its colossal 3D anisotropy of electrical conductivity. This work experimentally and theoretically proves MoAlB single crystal possessing the 3D anisotropies of crystal structure, chemical bond, phonon vibration, electronic structure, and electrical transport, but also provides a promising platform for the future design of functionalized electronic devices as well as synthesis of new and large-sized in-plane anisotropic 2D material (MoBene).
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Affiliation(s)
- Yanan Huang
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Jianguo Si
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
- University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Shuai Lin
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Hongyan Lv
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Wenhai Song
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Ranran Zhang
- High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Xuan Luo
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Wenjian Lu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Xuebin Zhu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
| | - Yuping Sun
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
- High Magnetic Field Laboratory, HFIPS, Chinese Academy of Sciences, Hefei, Anhui, 230031, P. R. China
- Collaborative Innovation Centre of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu, 210093, P. R. China
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Chen P, Pan J, Gao W, Wan B, Kong X, Cheng Y, Liu K, Du S, Ji W, Pan C, Wang ZL. Anisotropic Carrier Mobility from 2H WSe 2. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2108615. [PMID: 34859917 DOI: 10.1002/adma.202108615] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/01/2021] [Indexed: 06/13/2023]
Abstract
Transition metal dichalcogenides (TMDCs) with 2H phase are expected to be building blocks in next-generation electronics; however, they suffer from electrical anisotropy, which is the basics for multi-terminal artificial synaptic devices, digital inverters, and anisotropic memtransistors, which are highly desired in neuromorphic computing. Herein, the anisotropic carrier mobility from 2H WSe2 is reported, where the anisotropic degree of carrier mobility spans from 0.16 to 0.95 for various WSe2 field-effect transistors under a gate voltage of -60 V. Phonon scattering, impurity ions scattering, and defect scattering are excluded for anisotropic mobility. An intrinsic screening layer is proposed and confirmed by Z-contrast scanning transmission electron microscopy (STEM) imaging to respond to the electrical anisotropy. Seven types of intrinsic screening layers are created and calculated by density functional theory to evaluate the modulated electronic structures, effective masses, and scattering intensities, resulting in anisotropic mobility. The discovery of anisotropic carrier mobility from 2H WSe2 provides a degree of freedom for adjusting the physical properties of 2H TMDCs and fertile ground for exploring and integrating TMDC electronic transistors with better performance along the direction of high mobility.
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Affiliation(s)
- Ping Chen
- Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
| | - Jinbo Pan
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Wenchao Gao
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
| | - Bensong Wan
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
| | - Xianghua Kong
- Centre for the Physics of Materials and Department of Physics, McGill University, Montreal, QC, H3A 2T8, Canada
| | - Yang Cheng
- State Key Laboratory for Mesoscopic Physics, Academy for Advanced Interdisciplinary Studies, School of Physics, Peking University, Beijing, 100871, China
| | - Kaihui Liu
- State Key Laboratory for Mesoscopic Physics, Academy for Advanced Interdisciplinary Studies, School of Physics, Peking University, Beijing, 100871, China
| | - Shixuan Du
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Wei Ji
- Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Renmin University of China, Beijing, 100872, China
| | - Caofeng Pan
- Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhong Lin Wang
- Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA
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20
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Mi Z, Hu D, Lin J, Pan H, Chen Z, Li Y, Liu Q, Zhu S. Anchoring nanoarchitectonics of 1T’-MoS2 nanoflakes on holey graphene sheets for lithium-ion batteries with outstanding high-rate performance. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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21
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Chandrasekaran S, Zhang C, Shu Y, Wang H, Chen S, Nesakumar Jebakumar Immanuel Edison T, Liu Y, Karthik N, Misra R, Deng L, Yin P, Ge Y, Al-Hartomy OA, Al-Ghamdi A, Wageh S, Zhang P, Bowen C, Han Z. Advanced opportunities and insights on the influence of nitrogen incorporation on the physico-/electro-chemical properties of robust electrocatalysts for electrocatalytic energy conversion. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214209] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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22
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Wang Y, Wang M, Lu Z, Ma D, Jia Y. Enabling multifunctional electrocatalysts by modifying the basal plane of unifunctional 1T'-MoS 2 with anchored transition metal single atoms. NANOSCALE 2021; 13:13390-13400. [PMID: 34477744 DOI: 10.1039/d1nr02251b] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Multifunctional electrocatalysts for hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR) are attractive for overall water-splitting, rechargeable metal-air batteries, and unitized regenerative fuel cells. A single-atom catalyst (SAC) may exhibit additional advantages over its nanoparticle counterpart, and already there have been significant advances in the development of bifunctional and trifunctional SACs for HER, ORR, and OER, but great challenges remain for their rational design. Herein, we propose a strategy to realize multifunctional SACs, i.e., modifying unifunctional materials to introduce new active sites on the surface. Specifically, by virtue of the intrinsic excellent HER performance of 1T'-MoS2, we theoretically design multifunctional SACs by anchoring appropriate transition-metal single atoms. Intriguingly, 1T'-MoS2 with supported Co single atoms (Co@MoS2) are demonstrated to be highly active for both OER and ORR with ultralow overpotentials of less than 0.3 V, ascribed to the moderate chemical activity and unique electronic structure of the Co atomic center. Consequently, combining the intrinsic HER activity of 1T'-MoS2, Co@MoS2 is proposed to be promising efficient trifunctional SACs. Further, the phase engineering on SACs is unrevealed and elucidated by comparing the properties of the Co atomic center-supported on 1T'-MoS2 and 1H-MoS2. This work provides a feasible strategy for the design of multifunctional SACs for the renewable and sustainable energy technology and provides an insight into the phase engineering on SACs.
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Affiliation(s)
- Yuanyuan Wang
- Key Laboratory for Special Functional Materials of Ministry of Education, and School of Materials Science and Engineering, Henan University, Kaifeng 475004, China.
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23
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Yin X, Tang CS, Zheng Y, Gao J, Wu J, Zhang H, Chhowalla M, Chen W, Wee ATS. Recent developments in 2D transition metal dichalcogenides: phase transition and applications of the (quasi-)metallic phases. Chem Soc Rev 2021; 50:10087-10115. [PMID: 34396377 DOI: 10.1039/d1cs00236h] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The advent of two-dimensional transition metal dichalcogenides (2D-TMDs) has led to an extensive amount of interest amongst scientists and engineers alike and an intensive amount of research has brought about major breakthroughs in the electronic and optical properties of 2D materials. This in turn has generated considerable interest in novel device applications. With the polymorphic structural features of 2D-TMDs, this class of materials can exhibit both semiconducting and metallic (quasi-metallic) properties in their respective phases. This polymorphic property further increases the interest in 2D-TMDs both in fundamental research and for their potential utilization in novel high-performance device applications. In this review, we highlight the unique structural properties of few-layer and monolayer TMDs in the metallic 1T- and quasi-metallic 1T'-phases, and how these phases dictate their electronic and optical properties. An overview of the semiconducting-to-(quasi)-metallic phase transition of 2D-TMD systems will be covered along with a discussion on the phase transition mechanisms. The current development in the applications of (quasi)-metallic 2D-TMDs will be presented ranging from high-performance electronic and optoelectronic devices to energy storage, catalysis, piezoelectric and thermoelectric devices, and topological insulator and neuromorphic computing applications. We conclude our review by highlighting the challenges confronting the utilization of TMD-based systems and projecting the future developmental trends with an outlook of the progress needed to propel this exciting field forward.
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Affiliation(s)
- Xinmao Yin
- Shanghai Key Laboratory of High Temperature Superconductors, Physics Department, Shanghai University, Shanghai 200444, China
| | - Chi Sin Tang
- Institute of Materials Research and Engineering, A-STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, 138634, Singapore and Department of Physics, Faculty of Science, National University of Singapore, Singapore 117542, Singapore.
| | - Yue Zheng
- Department of Physics, Faculty of Science, National University of Singapore, Singapore 117542, Singapore.
| | - Jing Gao
- Department of Physics, Faculty of Science, National University of Singapore, Singapore 117542, Singapore.
| | - Jing Wu
- Institute of Materials Research and Engineering, A-STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, 138634, Singapore
| | - Hua Zhang
- Department of Chemistry, City University of Hong Kong, Hong Kong, China and Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM), City University of Hong Kong, Hong Kong, China and Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
| | - Manish Chhowalla
- Department of Materials Science & Metallurgy, University of Cambridge, Cambridge, CB30FS, UK
| | - Wei Chen
- Department of Physics, Faculty of Science, National University of Singapore, Singapore 117542, Singapore. and Department of Chemistry, National University of Singapore, Singapore 117543, Singapore
| | - Andrew T S Wee
- Department of Physics, Faculty of Science, National University of Singapore, Singapore 117542, Singapore.
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24
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Lin G, Ju Q, Guo X, Zhao W, Adimi S, Ye J, Bi Q, Wang J, Yang M, Huang F. Intrinsic Electron Localization of Metastable MoS 2 Boosts Electrocatalytic Nitrogen Reduction to Ammonia. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007509. [PMID: 34219276 DOI: 10.1002/adma.202007509] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 04/19/2021] [Indexed: 06/13/2023]
Abstract
The advancement of efficient electrocatalysts toward the nitrogen reduction reaction (NRR) is critical in sustainable ammonia synthesis under ambient pressure and temperature. Manipulating the electronic configuration of electrocatalysts is particularly vital to form metal-nitrogen (MN) bonds during the NRR through regulating the active electronic states of sites. Here, in sharp contrast to stable 2H MoS2 without metal chains, MoMo bonding in metastable polymorphs of MoS2 bulk (zigzag chain in the 1T' phase and diamond chain in the 1T″' phase) is discovered to significantly increase intrinsic electron localization around the metal chains. This can enhance the charge transfer from the adsorbed nitrogen molecule to the metal chains, allowing for boosted NRR kinetics. The electrochemical experiments show that the NH3 yield rate and the faradaic efficiency of the metastable 1T″' MoS2 rich with abundant Mo-Mo bonds are about 9 and 12 times above average than those of 2H MoS2 , correspondingly. Theoretical simulations reveal the high local electron density surrounding the MoMo chains and sites can promote π back-donation, which is beneficial for increasing nitrogen adsorption, strengthening the MN bonds, and reducing the cleavage barrier of the triple NN bond.
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Affiliation(s)
- Gaoxin Lin
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiangjian Ju
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaowei Guo
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Zhao
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
| | - Samira Adimi
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Ningbo, 315201, China
| | - Jinyu Ye
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Qingyuan Bi
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
| | - Jiacheng Wang
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Minghui Yang
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219 Zhongguan West Road, Ningbo, 315201, China
| | - Fuqiang Huang
- State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 201899, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
- State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
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25
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Cao Y. Roadmap and Direction toward High-Performance MoS 2 Hydrogen Evolution Catalysts. ACS NANO 2021; 15:11014-11039. [PMID: 34251805 DOI: 10.1021/acsnano.1c01879] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
MoS2 intrinsically show Pt-like hydrogen evolution reaction (HER) performance. Pristine MoS2 displayed low HER activity, which was caused by low quantities of catalytic sites and unsatisfactory conductivity. Then, phase engineering and S vacancy were developed as effective strategies to elevate the intrinsic HER performance. Heterojunctions and dopants were successful strategies to improve HER performance significantly. A couple of state-of-the-art MoS2 catalysts showed HER performance comparable to Pt. Applying multiple strategies in the same electrocatalyst was the key to furnish Pt-like HER performance. In this review, we summarize the available strategies to fabricate superior MoS2 HER catalysts and tag the important works. We analyze the well-defined strategies for fabricating a superior MoS2 electrocatalyst, propose complementary strategies which could help meet practical requirements, and help people design highly efficient MoS2 electrocatalysts. We also provide a brief perspective on assembling practical electrochemical systems by high-performance MoS2 electrocatalysts, apply MoS2 in other important electrocatalysis reactions, and develop high-performance two-dimensional (2D) dichalcogenide HER catalysts not limited to MoS2. This review will help researchers to obtain a better understanding of development of superior MoS2 HER electrocatalysts, providing directions for next-generation catalyst development.
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Affiliation(s)
- Yang Cao
- Department of Energy and Resources Engineering, College of Engineering, Peking University, Beijing, 100871 P. R. China
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26
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Zhai Y, Feng Z, Zhou Y, Han ST. Energy-efficient transistors: suppressing the subthreshold swing below the physical limit. MATERIALS HORIZONS 2021; 8:1601-1617. [PMID: 34846494 DOI: 10.1039/d0mh02029j] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
With the miniaturization of silicon-based electronic components, power consumption is becoming a fundamental issue for micro-nano electronic circuits. The main reason for this is that the scaling of the supply voltage in the ultra-large-scale integrated circuit cannot keep up with the shrinking of the characteristic size of conventional transistors due to the physical limit termed "Boltzmann Tyranny", in which a gate voltage of at least 60 mV is required to modulate the drain current by one order of magnitude. Accordingly, to solve this problem, several new transistor architectures have been designed to reduce the subthreshold swing (SS) to lower than the fundamental limitation, thus lowering the supply voltage and reducing the power consumption. In this review, we first analytically formulate the SS, summarize the methods for reducing the SS, and propose four new transistor concepts, including tunnelling field-effect transistor, negative capacitance field-effect transistor, impact ionization field-effect transistor, and cold source field-effect transistor. Then, we review their physical mechanisms and optimization methods and consider the potential and drawbacks of these four new transistors. Finally, we discuss the challenges encountered in the investigation of these steep-slope transistors and present the future outlook.
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Affiliation(s)
- Yongbiao Zhai
- Institute of Microscale Optoelectronics, Shenzhen University, 518060, P. R. China.
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27
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Wiscons RA, Cho Y, Han SY, Dismukes AH, Meirzadeh E, Nuckolls C, Berkelbach TC, Roy X. Polytypism, Anisotropic Transport, and Weyl Nodes in the van der Waals Metal TaFeTe4. J Am Chem Soc 2020; 143:109-113. [DOI: 10.1021/jacs.0c11674] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Ren A. Wiscons
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Yeongsu Cho
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Sae Young Han
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Avalon H. Dismukes
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Elena Meirzadeh
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Colin Nuckolls
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Timothy C. Berkelbach
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Xavier Roy
- Department of Chemistry, Columbia University, New York, New York 10027, United States
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28
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Perez A, Amorim RG, Villegas CEP, Rocha AR. Nanogap-based all-electronic DNA sequencing devices using MoS 2 monolayers. Phys Chem Chem Phys 2020; 22:27053-27059. [PMID: 33215614 DOI: 10.1039/d0cp04138f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The realization of nanopores in atom-thick materials may pave the way towards electrical detection of single biomolecules in a stable and scalable manner. In this work, we theoretically study the potential of different phases of MoS2 nanogaps to act as all-electronic DNA sequencing devices. We carry out simulations based on density functional theory and the non-equilibrium Green's function formalism to investigate the electronic transport across the device. Our results suggest that the 1T'-MoS2 nanogap structure is energetically more favorable than its 2H counterpart. At zero bias, the changes in the conductance of the 1T'-MoS2 device can be well distinguished, making possible the selectivity of the DNA nucleobases. Although the conductance fluctuates around the resonances, the overall results suggest that it is possible to distinguish the four DNA bases for energies close to the Fermi level.
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Affiliation(s)
- A Perez
- Instituto de Física Teórica, Universidade Estadual Paulista (UNESP), Rua Dr Bento T. Ferraz, 271, São Paulo, SP 01140-070, Brazil.
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29
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Sokolikova MS, Mattevi C. Direct synthesis of metastable phases of 2D transition metal dichalcogenides. Chem Soc Rev 2020; 49:3952-3980. [PMID: 32452481 DOI: 10.1039/d0cs00143k] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The different polymorphic phases of transition metal dichalcogenides (TMDs) have attracted enormous interest in the last decade. The metastable metallic and small band gap phases of group VI TMDs displayed leading performance for electrocatalytic hydrogen evolution, high volumetric capacitance and some of them exhibit large gap quantum spin Hall (QSH) insulating behaviour. Metastable 1T(1T') phases require higher formation energy, as compared to the thermodynamically stable 2H phase, thus in standard chemical vapour deposition and vapour transport processes the materials normally grow in the 2H phases. Only destabilization of their 2H phase via external means, such as charge transfer or high electric field, allows the conversion of the crystal structure into the 1T(1T') phase. Bottom-up synthesis of materials in the 1T(1T') phases in measurable quantities would broaden their prospective applications and practical utilization. There is an emerging evidence that some of these 1T(1T') phases can be directly synthesized via bottom-up vapour- and liquid-phase methods. This review will provide an overview of the synthesis strategies which have been designed to achieve the crystal phase control in TMDs, and the chemical mechanisms that can drive the synthesis of metastable phases. We will provide a critical comparison between growth pathways in vapour- and liquid-phase synthesis techniques. Morphological and chemical characteristics of synthesized materials will be described along with their ability to act as electrocatalysts for the hydrogen evolution reaction from water. Phase stability and reversibility will be discussed and new potential applications will be introduced. This review aims at providing insights into the fundamental understanding of the favourable synthetic conditions for the stabilization of metastable TMD crystals and at stimulating future advancements in the field of large-scale synthesis of materials with crystal phase control.
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30
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Zhao S, Dong B, Wang H, Wang H, Zhang Y, Han ZV, Zhang H. In-plane anisotropic electronics based on low-symmetry 2D materials: progress and prospects. NANOSCALE ADVANCES 2020; 2:109-139. [PMID: 36133982 PMCID: PMC9417339 DOI: 10.1039/c9na00623k] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 10/30/2019] [Indexed: 05/30/2023]
Abstract
Low-symmetry layered materials such as black phosphorus (BP) have been revived recently due to their high intrinsic mobility and in-plane anisotropic properties, which can be used in anisotropic electronic and optoelectronic devices. Since the anisotropic properties have a close relationship with their anisotropic structural characters, especially for materials with low-symmetry, exploring new low-symmetry layered materials and investigating their anisotropic properties have inspired numerous research efforts. In this paper, we review the recent experimental progresses on low-symmetry layered materials and their corresponding anisotropic electrical transport, magneto-transport, optoelectronic, thermoelectric, ferroelectric, and piezoelectric properties. The boom of new low-symmetry layered materials with high anisotropy could open up considerable possibilities for next-generation anisotropic multifunctional electronic devices.
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Affiliation(s)
- Siwen Zhao
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science Technology of Ministry of Education, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University Shenzhen 518060 China
| | - Baojuan Dong
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences Shenyang 110000 China
- School of Material Science and Engineering, University of Science and Technology of China Anhui 230026 China
| | - Huide Wang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science Technology of Ministry of Education, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University Shenzhen 518060 China
| | - Hanwen Wang
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences Shenyang 110000 China
- School of Material Science and Engineering, University of Science and Technology of China Anhui 230026 China
| | - Yupeng Zhang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science Technology of Ministry of Education, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University Shenzhen 518060 China
| | - Zheng Vitto Han
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences Shenyang 110000 China
- School of Material Science and Engineering, University of Science and Technology of China Anhui 230026 China
| | - Han Zhang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science Technology of Ministry of Education, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University Shenzhen 518060 China
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31
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Yang H, He Q, Liu Y, Li H, Zhang H, Zhai T. On-chip electrocatalytic microdevice: an emerging platform for expanding the insight into electrochemical processes. Chem Soc Rev 2020; 49:2916-2936. [DOI: 10.1039/c9cs00601j] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This comprehensive summary of on-chip electrocatalytic microdevices will expand the insight into electrochemical processes, ranging from dynamic exploration to performance optimization.
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Affiliation(s)
- Huan Yang
- State Key Laboratory of Material Processing and Die & Mould Technology
- School of Materials Science and Engineering
- Huazhong University of Science and Technology
- Wuhan
- P. R. China
| | - Qiyuan He
- Department of Materials Science and Engineering
- City University of Hong Kong
- Hong Kong
- P. R. China
| | - Youwen Liu
- State Key Laboratory of Material Processing and Die & Mould Technology
- School of Materials Science and Engineering
- Huazhong University of Science and Technology
- Wuhan
- P. R. China
| | - Huiqiao Li
- State Key Laboratory of Material Processing and Die & Mould Technology
- School of Materials Science and Engineering
- Huazhong University of Science and Technology
- Wuhan
- P. R. China
| | - Hua Zhang
- Department of Chemistry
- City University of Hong Kong
- Hong Kong
- P. R. China
- Hong Kong Branch of National Precious Metals Material Engineering Research Center (NPMM)
| | - Tianyou Zhai
- State Key Laboratory of Material Processing and Die & Mould Technology
- School of Materials Science and Engineering
- Huazhong University of Science and Technology
- Wuhan
- P. R. China
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Lei L, Huang D, Zeng G, Cheng M, Jiang D, Zhou C, Chen S, Wang W. A fantastic two-dimensional MoS2 material based on the inert basal planes activation: Electronic structure, synthesis strategies, catalytic active sites, catalytic and electronics properties. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.213020] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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