Oxygen Defects in Nanostructured Metal-Oxide Gas Sensors: Recent Advances and Challenges†

被引：52

作者：

Ding, Wenjie ^{[1
]}

Liu, Dandan ^{[1
]}

Liu, Jiajia ^{[1
]}

Zhang, Jiatao ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Mat Sci & Engn, Expt Ctr Adv Mat, Beijing Key Lab Construct Tailorable Adv Funct Ma, Beijing 100081, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2020年 / 38卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Oxygen vacancy; Defect engineering; Nanostructured metal oxide; Sensors; Doping; NO2 SENSING PROPERTIES; DOPED WO3 NANOFIBERS; ROOM-TEMPERATURE; IN-SITU; ZNO NANOSTRUCTURES; SNO2; VACANCIES; MECHANISM; NANOSHEETS; ENERGY;

D O I：

10.1002/cjoc.202000341

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Defect engineering has been the most promising strategy to modulate the surface microstructure and electronic structure of the metal oxides, which will govern the efficiency of a given oxide for the applications in heterogeneous catalysis, energy storage and conversion fields, and gas sensing. This review summarizes recent research advances on understanding the role of oxygen vacancies of the metal oxides in gas sensing. First, different strategies for oxygen vacancy productions are summarized and compared. Then, the proper characterization techniques for oxygen vacancy are introduced. Importantly, the structure-activity relationships between vacancy engineering and gas sensing ability are further illustrated coupling the experimental results and theoretical studies. Finally, the key challenges and prospects regarding defect engineering in gas sensing are highlighted.

引用

页码：1832 / 1846

页数：15

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