Solvothermal synthesis of 3D leaf-like α-Fe2O3 and its gas-sensing properties research

被引：19
作者：
Qiang, Z. [1 ]
Ma, S. Y. [1 ]
Jiao, H. Y. [2 ]
Jin, W. X. [1 ]
Wang, T. T. [1 ]
Jiang, X. H. [1 ]
Zhang, Z. Y. [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
[2] Northwest Univ Nationalities, Key Lab Elect Mat State Ethn Affairs Commiss PRC, Coll Elect Engn, Lanzhou 730030, Gansu, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 181卷
基金：
中国国家自然科学基金;
关键词：
Alpha-iron oxide; Sensors; 3D leaf-like nanostructure; Solvothermal; Semiconductors; HYDROTHERMAL SYNTHESIS; SENSOR; SUPERSTRUCTURES;
D O I：
10.1016/j.matlet.2016.06.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
3D leaf-like Alpha-iron oxide (alpha-Fe2O3) nanostructure and other nanomorphologies were fabricated by adding different ethanol content in ethanol-water mixed solvent under a simple solvothermal route. The structures and morphologies of nanostructures were characterized by X-ray diffraction (XRD), field emission electron scanning microscopy (FESEM) and transmission electron microscopy (TEM). Their morphologies and gas-sensing properties were mainly studied. The sensor synthesized in 80 vol% ethanol-water as the solvent exhibited lower operating temperature (260 degrees C), higher response and shorter Response/recovery time (about 8 s and 9 s). The results indicated that 3D leaf-like iron oxide (alpha-Fe2O3) nanostructure was a potential candidate for fabricating effective acetone sensor. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：29 / 33
页数：5
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