Preparation and characterization of a novel ethanol gas sensor based on FeYO3 microspheres by using orange peels as bio-templates

被引：24

作者：

Cao, P. F. ^{[1
]}

Ma, S. Y. ^{[1
]}

Xu, X. L. ^{[1
]}

Wang, B. J. ^{[1
]}

Almamoun, Omer ^{[1
]}

Han, T. ^{[1
]}

Xu, X. H. ^{[1
]}

Pei, S. T. ^{[1
]}

Zhang, R. ^{[1
]}

Zhang, J. L. ^{[1
]}

Liu, W. W. ^{[1
]}

机构：

[1] Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Lanzhou 730070, Peoples R China

来源：

VACUUM | 2020年 / 177卷

基金：

中国国家自然科学基金;

关键词：

FeYO3; Sensor; Microspheres; Semiconductor; Bio-templates; ZNO NANOSTRUCTURES; SENSING PROPERTIES; HOLLOW NANOFIBERS; FABRICATION;

D O I：

10.1016/j.vacuum.2020.109359

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The perovskite Iron Yttrium Oxide (FeYO3) microspheres on the basis of bio-templates with orange peels have been successfully obtained by a facile hydrothermal 'green synthesis' along with multifarious characterization techniques. The XRD demonstrated that the synthesized sample was single phase FeYO3 with a hexagonal perovskite structure. Moreover, the solid microspheres with relatively rough surfaces were displayed by SEM and TEM. Benefiting from this fact, the sensor based on p-type semiconductor FeYO3 microspheres showed good gas sensing characteristics towards ethanol at the optimum operating temperature of 330 degrees C with a low detection limit (1 ppm), good repeatability and fast response/recover time, etc. Accordingly, this work supplies a good experimental basis for FeYO3 as a novel semiconductor gas sensing material soon.

引用

页数：6

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