Single-Nozzle Flame Synthesis of Spinel Zn2SnO4 Nanoparticles for Selective Detection of Formic Acid

被引：18

作者：

Kaewsiri, Darinee ^{[1
,2
]}

Inyawilert, Kanittha ^{[1
]}

Wisitsoraat, Anurat ^{[3
,4
]}

Tuantranont, Adisorn ^{[3
,4
]}

Phanichphant, Sukon ^{[4
]}

Liewhiran, Chaikarn ^{[1
,4
,5
]}

机构：

[1] Chiang Mai Univ, Fac Sci, Dept Phys & Mat Sci, Chiang Mai 50200, Thailand

[2] Chiang Mai Univ, Grad Sch, Chiang Mai 50200, Thailand

[3] Natl Sci & Technol Dev Agcy, Natl Sci & Dual Use Technol Ctr, Pathum Thani 12120, Thailand

[4] Chiang Mai Univ, Fac Sci, Ctr Adv Mat Printed Elect & Sensors, Mat Sci Res Ctr, Chiang Mai 50200, Thailand

[5] Chiang Mai Univ, Ctr Excellence Mat Sci & Technol, Chiang Mai 50200, Thailand

来源：

IEEE SENSORS JOURNAL | 2020年 / 20卷 / 12期

关键词：

Flame spray pyrolysis; Zn2SnO4; nanoparticles; sensors; formic acid; GAS-SENSING PROPERTIES; SPRAY-PYROLYSIS; PROPERTY; SENSORS; SNO2;

D O I：

10.1109/JSEN.2020.2977392

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this research, flame spray pyrolysis (FSP) was used to synthesize spinel Zn2SnO4 nanoparticles for the first time based on the precisely designed stoichiometric chemistry of organic precursor solution driven through a single FSP nozzle. The characterization results based on X-ray diffraction, transmission electron microscopy and nitrogen adsorption confirmed the formation of spinel cubic Zn2SnO4 phase with high phase purity and high specific surface area of 78.8 m(2)/g. The gas-sensing properties of Zn2SnO4 sensors measured in dry air at 200-400 degrees C revealed high HCOOH selectivity against several other volatile organic acids, volatile organic compounds and environmental gases with a high and repeatable response of 16.5 towards 1000 ppm HCOOH at an optimal operating temperature of 350 degrees C.

引用

页码：6256 / 6262

页数：7

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