Applied Surface Science 442 (2018) 352–360 Contents lists available at ScienceDirect Applied Surface Science journal homepage: www.elsevier.com/locate/apsusc Full Length Article CoP/WS nanoﬂake heterostructures as efﬁcient electrocatalysts for signiﬁcant improvement in hydrogen evolution activity ⇑ ⇑ Yajie Chen, Chuanhong Kang, Ruihong Wang , Zhiyu Ren, Huiying Fu, Yuting Xiao, Guohui Tian Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People’s Republic of China, Heilongjiang University, Harbin 150080, China ar ti c l e i nf o ab stra ct Article history: The CoP/WS nanoﬂake composites were synthesized via the sulfuration and subsequent phosphidation Received 19 September 2017 using the pre-prepared WO nanowires as precursors. Originally, WO nanowires were prepared and 2.72 2.72 Revised 7 February 2018 followed by sulfuration to obtain WS nanoﬂakes. The as-prepared WS nanoﬂakes were used as sub- 2 2 Accepted 14 February 2018 strates, on which the Co O nanoparticles were uniformly anchored to construct the Co O /WS nano- 3 4 3 4 2 Available online 15 February 2018 ﬂakes. Finally, the Co O /WS composites were subjected to phosphidation and in-situ converted into 3 4 2 CoP/WS nanoﬂakes. Because of the dual functionalities of both CoP and WS , the
Precambrian Research – Elsevier
Published: May 1, 2018
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