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Preparation of Large-area Vertical 2D Crystal Hetero-structures Through the Sulfurization of Transition Metal Films for Device Fabrication
Published on: November 28, 2017
Exfoliation of MoS2 by zero-valent transition metal intercalation
Duanduan Zhao1, Song Xu1, Hengan Wang2
1College of Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450052, P. R. China. song24xu11@zzu.edu.cn.
Abstract:
Exfoliation of bulk molybdenum disulfide (MoS2) into few-layered nanosheets is achieved with the assistance of zero-valent transition metal (Co0, Ni0, Cu0) intercalation. The as-prepared MoS2 nanosheets are characterized to consist of 1T- and 2H-phases with an enhanced electrocatalytic hydrogen evolution reaction (HER) activity. This work provides a novel strategy to prepare 2D MoS2 nanosheets using mild reductive reagents, which is expected to avoid the undesired structural damage from conventional chemical exfoliation.
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