Effect of annealing atmosphere with different oxygen concentration on CO gas sensing performances for CeO2 nanoparticles

Pengpeng Li,Bing Wang,Wei Li,Cong Qin,Lian Sun,Nan Wu,Yingde Wang

Materials Letters（2021）

引用 5|浏览13

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摘要

•CeO2 NPs in diverse oxygen concentration held various exposed facets and OV content.•CeO2-O2 presented the lowest index facets exposed and the largest content of OV.•CeO2-O2 showed high response and ultrafast response/recovery time of 1 s/5 s.

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关键词

Nanoparticles,Oxygen atmosphere,Crystal planes,Oxygen vacancy,Sensors

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