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6 results on '"Xia, Juan"'

2. Electrically Tunable MXene Nanomechanical Resonators Vibrating at Very High Frequencies

Author

Xu, Bo, primary, Zhu, Jiankai, additional, Xiao, Fei, additional, Liu, Na, additional, Liang, Yachun, additional, Jiao, Chenyin, additional, Li, Jing, additional, Deng, Qingyang, additional, Wu, Song, additional, Wen, Ting, additional, Pei, Shenghai, additional, Wan, Hujie, additional, Xiao, Xu, additional, Xia, Juan, additional, and Wang, Zenghui, additional

Published
2022
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4. Crack-Across-Pore Enabled High-Performance Flexible Pressure Sensors for Deep Neural Network Enhanced Sensing and Human Action Recognition

Author

Hou, Yuxin, primary, Wang, Lei, additional, Sun, Ran, additional, Zhang, Yuanao, additional, Gu, Mengxi, additional, Zhu, Yuanhao, additional, Tong, Yubo, additional, Liu, Xunyu, additional, Wang, Zhixun, additional, Xia, Juan, additional, Hu, Yougen, additional, Wei, Lei, additional, Yang, Chunlei, additional, and Chen, Ming, additional

Published
2022
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5. Ordered and Atomically Perfect Fragmentation of Layered Transition Metal Dichalcogenides via Mechanical Instabilities

Author

Chen, Ming, primary, Xia, Juan, additional, Zhou, Jiadong, additional, Zeng, Qingsheng, additional, Li, Kaiwei, additional, Fujisawa, Kazunori, additional, Fu, Wei, additional, Zhang, Ting, additional, Zhang, Jing, additional, Wang, Zhe, additional, Wang, Zhixun, additional, Jia, Xiaoting, additional, Terrones, Mauricio, additional, Shen, Ze Xiang, additional, Liu, Zheng, additional, and Wei, Lei, additional

Published
2017
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6. Ordered and Atomically Perfect Fragmentation of Layered Transition Metal Dichalcogenides viaMechanical Instabilities

Author

Chen, Ming, Xia, Juan, Zhou, Jiadong, Zeng, Qingsheng, Li, Kaiwei, Fujisawa, Kazunori, Fu, Wei, Zhang, Ting, Zhang, Jing, Wang, Zhe, Wang, Zhixun, Jia, Xiaoting, Terrones, Mauricio, Shen, Ze Xiang, Liu, Zheng, and Wei, Lei

Abstract

Thermoplastic polymers subjected to a continuous tensile stress experience a state of mechanical instabilities, resulting in neck formation and propagation. The necking process with strong localized strain enables the transformation of initially brittle polymeric materials into robust, flexible, and oriented forms. Here we harness the polymer-based mechanical instabilities to control the fragmentation of atomically thin transition metal dichalcogenides (TMDs). We develop a simple and versatile nanofabrication tool to precisely fragment atom-thin TMDs sandwiched between thermoplastic polymers into ordered and atomically perfect TMD nanoribbons in arbitrary directions regardless of the crystal structures, defect content, and original geometries. This method works for a very broad spectrum of semiconducting TMDs with thicknesses ranging from monolayers to bulk crystals. We also explore the electrical properties of the fabricated monolayer nanoribbon arrays, obtaining an on/off ratio of ∼106for such MoS2arrays based field-effect transistors. Furthermore, we demonstrate an improved hydrogen evolution reaction with the resulting monolayer MoS2nanoribbons, thanks to the largely increased catalytic edge sites formed by this physical fragmentation method. This capability not only enriches the fundamental study of TMD extreme and fragmentation mechanics, but also impacts on future developments of TMD-based devices.

Published
2017
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