广州化学2026，Vol.51Issue(3)：38-42,5.DOI:10.16560/j.cnki.gzhx.20252741
煅烧温度调控MoS2衍生MoO3及其对三乙胺的气敏性能
Regulation of Calcination Temperature for MoS2-Derived MoO3 and Its Gas Sensing Performance for Triethylamine
摘要
Abstract
Using MoS2 as a precursor,MoO3 was synthesized via calcination at different temperatures,and its structural evolution was investigated for its impact on triethylamine gas sensing performance.Results indicate that as calcination temperature increases,MoS2 progressively oxidizes to MoO3.The MoO3 sample(MO-2)calcined at 400℃exhibits a rough,porous surface and demonstrates optimal gas sensing performance.Its optimum operating temperature for triethylamine detection was 150℃,exhibiting a response value of 33.33 to 50 ppm triethylamine with a selectivity coefficient of 54.4%,significantly higher than for ethanol,acetone,and other gases.This superior performance was attributed to the synergistic effects of surface reactive oxygen species and Lewis acid sites.This study provides an effective approach for constructing highly sensitive and selective MoO3-based amine gas sensing materials.关键词
三乙胺/MoO3/煅烧温度/气敏性能Key words
triethylamine/MoO3/calcination temperature/gas-sensing performance分类
化学化工引用本文复制引用
龚云鹏,马旭,胡悦,曹立久,魏丹蕊,余宗兴,陈玉放..煅烧温度调控MoS2衍生MoO3及其对三乙胺的气敏性能[J].广州化学,2026,51(3):38-42,5.基金项目
重庆自然科学基金(CSTB2022NSCQ-MSX0986) （CSTB2022NSCQ-MSX0986）
