The highly improved gas-sensing performance of α-Fe<sub>2</sub>O<sub>3</sub>-decorated NiO nanowires and the interfacial effect of p–n heterojunctions
L. Wang, Bo Hong, Haixa Chen, Jingcai Xu, Yanbing Han, Hongxiao Jin, Dingfeng Jin, Xiaoling Peng, Hongliang Ge, X.Q. Wang
Abstract
Mesoporous n-type α-Fe<sub>2</sub>O<sub>3</sub>-decorated p-type NiO NWs were synthesized by two-step nanocasting method, and the influence of the heterogeneous α-Fe<sub>2</sub>O<sub>3</sub> decoration on the components, microstructure and gas-sensing performance of NiO NWs was discussed.
Topics & Concepts
Non-blocking I/OMaterials scienceHeterojunctionMesoporous materialMicrostructureNanowireChemical engineeringNanotechnologyOptoelectronicsComposite materialCatalysisOrganic chemistryEngineeringChemistryGas Sensing Nanomaterials and SensorsTransition Metal Oxide NanomaterialsAnalytical Chemistry and Sensors