Unveiling the synergistic effects of hydrogen annealing on CeO2 nanofibers for highly sensitive acetone gas detection: Role of Ce3+ ions and oxygen vacancies

Qiang Hu,Haiqing Jiang,Wenjian Zhang,Xukun Wang,Xinge Wang,Zhenxing Zhang

APPLIED SURFACE SCIENCE（2023）

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摘要

•CeO2 nanofibers were prepared by electrospinning.•Oxygen vacancies in CeO2 nanofibers were modulated by hydrogen annealing.•Sensors with rich oxygen vacancies show superior acetone sensing performance.

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关键词

CeO2 nanofibers,Electrospinning,Hydrogen annealing,Acetone,Gas sensor

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