纳米片
电催化剂
纳米技术
过渡金属
模板
化学
微晶
制氢
溶解
化学工程
材料科学
电极
催化作用
电化学
生物化学
工程类
物理化学
结晶学
作者
Yahuan Huan,Jianping Shi,Xiaolong Zou,Yue Gong,Chunyu Xie,Zihao Yang,Zhepeng Zhang,Yan Gao,Yuping Shi,Minghua Li,Pengfei Yang,Shaolong Jiang,Min Hong,Lin Gu,Qing Zhang,Xiaoqin Yan,Yanfeng Zhang
摘要
Two-dimensional (2D) metallic transition metal dichalcogenides (MTMDCs) have attracted tremendous interest due to their intriguing physical properties and broad application potential. However, batch production of high-quality 2D MTMDCs based on existing synthesis on 2D surfaces remains a huge challenge. Herein, a universal synthetic route for the scalable synthesis of high-quality 2D MTMDC (e.g., TaS2, V5S8, and NbS2) nanosheets using microcrystalline NaCl crystals as templates via a facile chemical vapor deposition method is reported. Obviously, this synthetic route is perfectly compatible with a facile water dissolution-filtration process for obtaining high-purity MTMDC nanosheet powders. Representatively, a thickness-uniform 1T-TaS2 nanosheet product can be achieved that shows unexceptionable dispersibility in ethanol, which allows its assembly onto arbitrary substrates/electrodes for high-performance energy-related applications, herein serving as a high-performance electrocatalyst for the hydrogen evolution reaction. This work sheds light on the batch production, green transfer, and energy-related application of 2D MTMDC materials.
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