Exploring morphology controlled structural and chemical stabilization of CoP nanoparticles on CoSe2 nanorods on carbon cloth (CoSe2-CoP/CC) for Boosted hydrogen evolution reactions in alkaline and acid electrolytes

被引：9
作者：
Hussain, Sumaira Nazar [1 ,2 ,3 ]
Verpoort, Francis [4 ,5 ]
机构：
[1] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
[2] Shenzhen Univ, Coll Civil & Transportat Engn, 3688 Nanhai Ave, Shenzhen 518060, Peoples R China
[3] Shenzhen Univ, Inst Adv Study, 3688 Nanhai Ave, Shenzhen 518060, Peoples R China
[4] Peoples Friendship Univ Russia, RUDN Univ, Dept Organ Chem, 6 Miklukho Maklaya Str, Moscow 117198, Russia
[5] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan, Peoples R China
来源：
MATERIALS TODAY CHEMISTRY | 2024年 / 35卷
关键词：
Electrocatalysis; Hydrogen evolution reactions; Cobalt di-selenide; Cobalt phosphides; Carbon cloth; Density functional theory (DFT); Electrostatic potential maps (ESP); HIGH-PERFORMANCE ELECTROCATALYSTS; BIFUNCTIONAL ELECTROCATALYSTS; STABLE ELECTROCATALYST; SELENIDE NANOSHEETS; OXYGEN EVOLUTION; EFFICIENT; MN; NI; CONSTRUCTION; NANOARRAYS;
D O I：
10.1016/j.mtchem.2023.101844
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Developing a stable, cost-effective, and high-performance electrocatalyst is fundamental for practical alkaline electrolyzer applications; however, it remains a significant issue for researchers. Herein, we reported the fabrication of a heterostructure (CoSe2-CoP/CC) electrode material to work as an efficient electrocatalyst with a remarkable HER activity for alkaline Hydrogen Evolution Reaction (HER). Experimental results along with DFT calculations reveal that the transfer of an electron between CoSe2 and CoP contributes towards enhanced H2O adsorption as well as dissociation with more optimized energies and a promoted Had diffusion, resulting in an outstanding catalytic performance of HER showing relatively small overpotential value of 51 mV and 37 mV in alkaline (1.0 M KOH), and acidic (0.5 M H2SO4) electrolytes respectively to drive 10 mA/cm2 of the current density.
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页数：11
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