Oxidation-enabled SnS conversion to two-dimensional porous SnO<sub>2</sub> flakes towards NO<sub>2</sub> gas sensing
Zhiwei Lu, Xiaoxiao Pei, Tingting Wang, Kewei Gu, Nan Yu, Mingsong Wang, Junli Wang
Abstract
Thermal oxidation of 2D SnS flakes at ≥800 °C leads to 2D porous SnO 2 flakes, which exhibit superior sensitivity, response/recovery speed, selectivity, and a low limit of detection for NO 2 gas sensing.
Topics & Concepts
PorosityChemical engineeringMaterials scienceNanotechnologyComposite materialEngineeringGas Sensing Nanomaterials and SensorsZnO doping and propertiesTransition Metal Oxide Nanomaterials