Author:
XinWang ,Yang Qi Chao,Wang Hai tao,Zheng Yu,Zhong Geng hang,Zhao Jiang wei
Abstract
Abstract
Two-dimensional sulfide has been widely recognized as a promising new type of catalyst to replace precious metals due to its adjustable electronic structure, low cost, and high stability. In this paper, monolayer molybdenum disulfide (MoS2) and layer-controlled tungsten disulfide (WS2) were successfully prepared by chemical vapor deposition (CVD). The two prepared materials’ morphology, structure, and thickness were investigated. The catalytic performance of two-dimensional sulfides was studied under an acidic environment. The results exhibit good catalytic performance toward hydrogen evolution with 63.6 mV/dec low Tafel slope of MoS2 and 72.8 mV/dec of WS2.
Subject
Computer Science Applications,History,Education
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