title: MOF-Derived Zn-Doped CoSe2as an Efficient and Stable Free-Standing Catalyst for Oxygen Evolution Reaction.
abstract: Developing highly active electrocatalysts with low cost and high efficiency for oxygen evolution reactions (OER) is important for the practical implementations of hydrogen energy. Here, we report a Zn-doped CoSe2nanosheets grown on free-standing carbon fabric collector (CFC), which was synthesized by using a metal-organic framework (MOF) as precursor and followed by a selenylation process. Importantly, the Zn-doped CoSe2/CFC electrode exhibited an obviously enhanced catalytic activity for OER in 1 M KOH aqueous solution compared with CoSe2/CFC, showing a small overpotential of 356 mV for a current density of 10 mA cm-2, a small Tafel slope of 88 mV dec-1, and an excellent stability. The robust and free-standing electrode shows great potential as an economic catalyst for OER applications.
authors.affiliation: Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech) , 30 South Puzhu Road, Nanjing 211816, China.
authors.forename: Qiuchun
authors.initials: Q
authors.lastname: Dong
authors.affiliation: Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech) , 30 South Puzhu Road, Nanjing 211816, China.
authors.forename: Qian
authors.initials: Q
authors.lastname: Wang
authors.affiliation: Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech) , 30 South Puzhu Road, Nanjing 211816, China.
authors.forename: Ziyang
authors.initials: Z
authors.lastname: Dai
authors.affiliation: School of Chemistry and Chemical Engineering, Chongqing University , Chongqing 400044, China.
authors.forename: Huajun
authors.initials: H
authors.lastname: Qiu
authors.affiliation: Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech) , 30 South Puzhu Road, Nanjing 211816, China.
authors.forename: Xiaochen
authors.initials: X
authors.lastname: Dong
keywords: CoSe2; MOF derivative; atomic doping; free-standing; water splitting