Engineering high-valence nickel sites in Ni<sub>3</sub>S<sub>2</sub>/Ni<sub>3</sub>Se<sub>2</sub> architectures enabling urea-assisted hydrogen evolution reactions
AI Tao-tao, Miaomiao Bai, Weiwei Bao, Jie Han, Xue-Ling Wei, Xiangyu Zou, Jungang Hou, Lizhai Zhang, Zhifeng Deng, Yuxin Zhang
Abstract
Bifunctional Ni 3 S 2 @Ni 3 Se 2 electrocatalysts were constructed for urea-assisted hydrogen evolution. In the HER/UOR two-electrode system, the heterogeneous interface modulates the electronic structure and thus improves the catalytic performance.
Topics & Concepts
NickelChemistryValence (chemistry)UreaHydrogenNanotechnologyMaterials scienceOrganic chemistryElectrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceChalcogenide Semiconductor Thin Films