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

被引：32
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.
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页数：11
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