Cu intercalation and defect engineering realize an atomic-scale hydrogen spillover effect in NbS<sub>2</sub> to boost acidic hydrogen evolution
Haoyu Yue, Zhongnan Guo, Jiaqi Fan, Pu Wang, Shuang Zhen, Wenxia Yuan
Abstract
A Pt-free single-component HER electrocatalyst Cu 0.4 NbS 2-δ was synthesized. It is demonstrated that the atomic-scale hydrogen spillover pathways can be constructed in NbS 2 by Cu intercalation and S vacancy.
Topics & Concepts
Intercalation (chemistry)HydrogenAtomic unitsMaterials scienceSpillover effectHydrogen spilloverInorganic chemistryNanotechnologyChemistryPhysicsOrganic chemistryMicroeconomicsEconomicsQuantum mechanicsElectrocatalysts for Energy ConversionChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications