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Precision Chemistry in Two-Dimensional Materials: Adding, Removing, and Replacing the Atoms at Will
Accounts of Materials Research ( IF 14.0 ) Pub Date : 2021-09-30 , DOI: 10.1021/accountsmr.1c00172 Tiefeng Yang 1 , Lain-Jong Li 2 , Jiong Zhao 3 , Thuc Hue Ly 1
Accounts of Materials Research ( IF 14.0 ) Pub Date : 2021-09-30 , DOI: 10.1021/accountsmr.1c00172 Tiefeng Yang 1 , Lain-Jong Li 2 , Jiong Zhao 3 , Thuc Hue Ly 1
Affiliation
Made available for a limited time for personal research and study only License. Figure 1. Scheme of some 2D structures enabled by precision chemistry. Figure 2. (a) Two-step plasma-assisted chemical vapor deposition method. (b) 3D atomic structure illustration of the MoS2 monolayer, Janus H–Mo–S monolayer, and Janus Se–Mo–S monolayer. (Reproduced with permission from ref (1). Copyright 2017 Springer.) Figure 3. (a) SEM image of the crack pattern generated on MoS2 after UV light exposure under humid conditions. (Reproduced with permission from ref (2). Copyright 2017 Springer.) (b) Schematic illustration of the reversible photochemistry method, showing the UV treatment in a moist environment and the laser irradiation recovery process. (Adapted from ref (5). Copyright 2021 Wiley.) Figure 4. (a) Schematic illustration of the KCl-catalyzed growth of the 2D MoS2 nanosheet. (b) Schematic illustration of the VLAS mechanism. (Reprinted with permission from ref (6). Copyright 2020 American Chemical Society.) Figure 5. (a) AFM images showing the synthesis evolution of a well-defined MoS2 nanoribbon along the steps on the β-Ga2O3 substrate: (i) atomic step on the β-Ga2O3 substrate, (ii) nucleation of MoS2 seeds along the edge, (iii) a continuous MoS2 nanoribbon, and (iv) a dense array of aligned MoS2 nanoribbons. (Reprinted with permission from ref (12). Copyright 2020 Springer.) (b) Dark-field OM image of MoS2 spikes. (Reprinted with permission from ref (6). Copyright 2020 American Chemical Society.). Figure 6. (a) In-plane thermoelectric figure of merit of TiS2-based inorganic/organic superlattices. (Adapted from ref (14). Copyright 2017 Springer.) (b) Angle-dependent SHG intensity ratio between p and s polarization in the Janus MoSSe and randomized alloy samples. (Adapted from ref (1). Copyright 2017 Springer.) Tiefeng Yang received his Ph.D. in Physics from Hunan University in 2019 and is currently a postdoc in Prof. Thuc Hue Ly’s group at City University of Hong Kong. His research interests focus on the synthesis and characterization of 2D layered materials, as well as 2D devices. Lain-Jong Li received his Ph.D. in condensed matter physics at Oxford University in 2006. He is currently Chair Professor in Department of Mechanical Engineering in Hong Kong University. His research interest is two-dimensional materials. Jiong Zhao received his Ph.D. in Materials Science and Engineering in Tsinghua University in 2012. He is currently Assistant Professor in Applied Physics Department in Hong Kong Polytechnic University. His research interest is low dimensional materials and electron microscopy. Thuc Hue Ly received her Ph.D. in Energy Science in Sungkyunkwan University in 2015. She is currently Assistant Professor in Chemistry Department in City University of Hong Kong. Her research interest is two-dimensional materials. This work was supported by the National Science Foundation of China (project nos. 51872248, and 51922113), the Hong Kong Research Grant Council under the Early Career Scheme (project no. 25301018), the Hong Kong Research Grant Council General Research Fund (project no. 11300820 and 15302419), the City University of Hong Kong (project nos. 9680241 and 7005259), The Hong Kong Polytechnic University (project nos. 1-ZVGH and ZVRP), and the Shenzhen Science, Technology and Innovation Commission (project no. JCYJ20200109110213442). This article references 18 other publications.
更新日期：2021-10-22
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