High response and selectivity of bimetallic MOFs-derived metal oxides Co3O4/In2O3 nanoparticles to TEA

被引：30

作者：

Zhang, Zhenkai ^{[1
]}

Yue, Chen ^{[1
]}

Dastan, Davoud ^{[2
]}

Zhang, Dandan ^{[1
]}

Zhang, Xinfang ^{[3
]}

Yin, Xi-Tao ^{[1
]}

Ma, Xiaoguang ^{[1
]}

机构：

[1] Ludong Univ, Sch Phys & Optoelect Engn, Yantai 264000, Peoples R China

[2] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14850 USA

[3] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2024年 / 398卷

基金：

中国国家自然科学基金;

关键词：

Metal-organic Frameworks; TEA; Gas sensing mechanism; GAS-SENSING PROPERTIES; ORGANIC FRAMEWORKS; CO3O4; SENSORS; HETEROJUNCTIONS; NANOSTRUCTURES; NANOFLOWERS; OXIDATION; SURFACE; OXYGEN;

D O I：

10.1016/j.snb.2023.134727

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Metal-organic Frameworks (MOFs) are promising precursors and templates for the construction of porous micro/ nanostructures. In this work, we prepared a bimetallic MOFs-derived metal oxide Co3O4/In2O3 nanoparticles (NPs) gas sensor by hydrothermal method for the detection of TEA. The composition, microstructure and gas sensitivity of Co3O4/In2O3 NPs were investigated. The results show that Co3O4/In2O3 NPs have excellent response and selectivity to TEA. At 225 degrees C, the response of Co3O4/In2O3 NPs to 20 ppm TEA reaches 365.3, which is 30.2 times the response of the pristine In2O3. The reason for the improvement of the gas sensing performance of Co3O4/In2O3 NPs and the gas sensing mechanism were discussed in detail.

引用

页数：11

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