Dip-coating decoration of Ag<sub>2</sub>O nanoparticles on SnO<sub>2</sub> nanowires for high-performance H<sub>2</sub>S gas sensors
Tran Thi Ngoc Hoa, Nguyễn Văn Duy, Chu Manh Hung, Nguyễn Văn Hiếu, Ho Huu Hau, Nguyễn Đức Hòa
Abstract
NW sensors had excellent response, selectivity, and reproducibility. The gas-sensing mechanism was interpreted under the light of energy-band bending by sulfurization, which converted the p-n junction into n-n, thereby significantly enhancing the sensing performance.
Topics & Concepts
NanoparticleSelectivityMaterials scienceNanowireCoatingNanotechnologyChemical engineeringDip-coatingAmmoniaAnalytical Chemistry (journal)CatalysisChemistryChromatographyOrganic chemistryEngineeringBiochemistryGas Sensing Nanomaterials and SensorsAdvanced Chemical Sensor TechnologiesZnO doping and properties