文献类型：期刊文献

英文题名：Nickel nanoparticle-activated MoS2 for efficient visible light photocatalytic hydrogen evolution

作者：Shi, Xinying[1,2];Zhang, Meng[3];Wang, Xiao[3];Kistanov, Andrey A.[1];Li, Taohai[1,4];Cao, Wei[1];Huttula, Marko[1]

机构：[1]Univ Oulu, Nano & Mol Syst Res Unit, POB 3000, FI-90014 Oulu, Finland;[2]Jiangsu Normal Univ, Sch Phys & Elect Engn, Xuzhou 221116, Jiangsu, Peoples R China;[3]East China Univ Sci & Technol, Dept Phys, Shanghai 200237, Peoples R China;[4]Xiangtan Univ, Minist Educ, Key Lab Environm Friendly Chem & Applicat, Coll Chem, Xiangtan 411105, Peoples R China

年份：2022

卷号：14

期号：24

起止页码：8601

外文期刊名：NANOSCALE

收录：;EI(收录号：20222912380545);WOS:【SCI-EXPANDED(收录号:WOS:000793321100001)】；

基金：This work is supported by the European Regional Development Funding and the Council of Oulu Region. X. S. acknowledges the National Natural Science Foundation of China (No. 61904069) and the Natural Science Foundation of Jiangsu Higher Education Institutions of China (No. 19KJB140008). A. A. K. and W. C. acknowledge the European Research Council (ERC) under the European Union's Horizon 2020 Research and Innovation Programme (grant agreement no. 101002219). M. H. acknowledges research funding from the Academy of Finland. The theoretical work is financially supported by the National Natural Science Foundation of China (Grant No. 11774093) and the Fundamental Research Funds for the Central Universities (No. 222201714050, 222201714018). The technical supports from the Center for Materials Analysis of University of Oulu and Beijing PerfectLight Technology, Co., Ltd are also acknowledged. The CSC-IT Center for Science, Finland, is acknowledged for their computational resources.

语种：英文

外文关键词：Additives - Calculations - Catalyst activity - Dangling bonds - Hydrogen production - Layered semiconductors - Light - Light sources - Nickel alloys - Photocatalytic activity - Sulfur compounds

摘要：Direct sunlight-induced water splitting for photocatalytic hydrogen evolution is the dream for an ultimate clean energy source. So far, typical photocatalysts require complicated synthetic processes and barely work without additives or electrolytes. Here, we report the realization of a hydrogen evolution strategy with a novel Ni-Ag-MoS2 ternary nanocatalyst under visible/sun light. Synthesized through an ultrasound-assisted wet method, the composite exhibits stable catalytic activity for long-term hydrogen production from both pure and natural water. A high efficiency of 73 mu mol g(-1) W-1 h(-1) is achieved with only a visible light source and the (MoS2)(84)Ag10Ni6 catalyst, matching the values of present additive-enriched photocatalysts. Verified by experimental characterizations and first-principles calculations, the enhanced photocatalytic ability is attributed to effective charge migration through the dangling bonds at the Ni-Ag-MoS2 alloy interface and the activation of the MoS2 basal planes.