Synthesis of Fe2O3 nanoparticles for nitrogen dioxide gas sensing applications

被引：149

作者：

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

Bandgar, D. K. ^{[1
]}

Nalage, S. R. ^{[1
]}

Khuspe, G. D. ^{[1
]}

Chougule, M. A. ^{[1
]}

Kolekar, Y. D. ^{[2
]}

Sen, Shashwati ^{[3
]}

Patil, V. B. ^{[1
]}

机构：

[1] Solapur Univ, Sch Phys Sci, Funct Mat Res Lab, Solapur 413255, India

[2] Univ Pune, Dept Phys, Pune 411006, Maharashtra, India

[3] BARC, Crystal Technol Sect, Tech Phys Div, Bombay, Maharashtra, India

来源：

CERAMICS INTERNATIONAL | 2013年 / 39卷 / 06期

关键词：

Fe2O3 thin films; XRD; FESEM; Stability; NO2 gas sensor; THIN-FILM; PHYSICAL-CHARACTERIZATION; ROOM-TEMPERATURE; SPRAY-PYROLYSIS; SENSOR; NO2; ZNO; FABRICATION; DEPOSITION;

D O I：

10.1016/j.ceramint.2013.01.074

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Iron (III) oxide, Fe2O3, nanoparticles of approximately 40 nm diameter were synthesized by sol gel method and their nitrogen dioxide adsorption and desorption kinetics were investigated by custom fabricated gas sensor unit. The morphology and crystal structure of Fe2O3 nanoparticles were studied by scanning electron microscopy (SEM), field emission scanning electron microscopy (FESEM) and X-ray diffraction (XRD) respectively. The roughness of film surface was investigated by atomic force microscopy (AFM). Relative sensitivity of Fe2O3 nanoparticles for NO2 sensor was determined by electrical resistance measurements. Our reproducible experimental results show that Fe2O3 nanoparticles have a great potential for nitrogen dioxide sensing applications operating at a temperature of 200 degrees C. (C) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：6453 / 6460

页数：8

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