Electronic structure regulation of an ultra-thin MOF-derived NiSe<sub>2</sub>/NiS<sub>2</sub>@NC heterojunction for promoting the hydrogen evolution reaction
Kebin Lu, Jianpeng Sun, Huakai Xu, Chuanhai Jiang, Weifeng Jiang, Fangna Dai, Hong Wang, Hongguo Hao
Abstract
A Ni-MOF is used as a precursor to synthesize a NiSe 2 /NiS 2 @NC heterojunction with rich phase interfaces through a selenization/sulfurization process. Overpotentials of 188 mV and 211 mV are achieved in acidic and alkaline media at 10 mA cm −2 .
Topics & Concepts
HeterojunctionMaterials scienceHydrogenInorganic chemistryChemical engineeringChemistryOptoelectronicsEngineeringOrganic chemistryElectrocatalysts for Energy ConversionChalcogenide Semiconductor Thin FilmsAdvanced battery technologies research