Hollow polyhedral ZnCo<sub>2</sub>O<sub>4</sub> superstructure as an ethanol gas sensor and sensing mechanism study using near ambient pressure XPS
Guotao Yuan, Hui Zhang, Yufeng Cheng, Yihong Zhong, Qiqi Zhuo, Xuhui Sun
Abstract
ZnCo 2 O 4 hollow polyhedrons assembled by small nanoparticle building blocks were prepared and exhibited high response to ethanol. NAPXPS spectral indicate that oxygen abosorbed on the surface can react with ethanol molecules to form carboxylates.
Topics & Concepts
Materials scienceX-ray photoelectron spectroscopyAmbient pressureSuperstructureEthanolChemical engineeringMoleculeNanoparticleOxygenNanotechnologyOrganic chemistryMeteorologyChemistryPhysicsEngineeringOceanographyGeologyGas Sensing Nanomaterials and SensorsAdvanced Chemical Sensor TechnologiesAnalytical Chemistry and Sensors