Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 40, Pages 26902-26907Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b10160
Keywords
atomic doping; MOF derivative; CoSe2; free-standing; water splitting
Funding
- NNSF of China [61525402, 21275076]
- Key University Science Research Project of Jiangsu Province [15KJA430006]
- Jiangsu Provincial Founds for Distinguished Young Scholars [BK20130046]
- Program for New Century Excellent Talents in University [NCET-13-0853]
- QingLan Project
- Chongqing Basic and Frontier Research Project [cstc-2015jcyjA50026]
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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 CoSe2 nanosheets 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.
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