Enhanced formaldehyde gas-sensing response based on indium oxide nanowires doped with same-valence metal cations
Jingyang Niu, Bo Hong, Jingcai Xu, Yanbing Han, Hongxiao Jin, Dingfeng Jin, Yunxiong Zeng, Xiaoling Peng, Hongliang Ge, X.Q. Wang
Abstract
Same-valence Al, Sb and La are doped into In 2 O 3 NWs via nanocasting method. The cation doping leads to lattice distortion to increase the surface adsorbed oxygen, which greatly improves HCHO gas-sensing performance.
Topics & Concepts
IndiumValence (chemistry)DopingMaterials scienceNanowireAdsorptionFormaldehydeMetalOxideOxygenInorganic chemistryLattice (music)NanotechnologyChemistryOptoelectronicsPhysical chemistryMetallurgyAcousticsPhysicsOrganic chemistryGas Sensing Nanomaterials and SensorsAdvanced Chemical Sensor TechnologiesAir Quality Monitoring and Forecasting