Paper Title:
Gas-Sensitive Properties of Fe2O3 Nanoparticles Prepared by Laser-Induced Vapor-Phase Reaction
  Abstract

Iron oxide nanoparticles have been synthesized by laser-induced vapor-phase reaction. Mean diameter of the particles varied from approximate 4 nm to 40 nm and the crystalline phase was transited from γ-Fe2O3 to α-Fe2O3 with increasing operation temperature. The nanometer-sized α-Fe2O3 powders were used to fabricate a thick film based gas-sensitive sensor. The effects of the doped noble metals or carbonate and the calcination temperature on sensitivity of the sensor were studied. The results show that the α-Fe2O3 was doped with 3% noble metal or SrCO3 presents the best sensitivity to CO.

  Info
Periodical
Solid State Phenomena (Volumes 121-123)
Edited by
Chunli BAI, Sishen XIE, Xing ZHU
Pages
61-64
DOI
10.4028/www.scientific.net/SSP.121-123.61
Citation
G. S. Guo, Y. Wang, W. Ren, F. B. Gu, H. Y. Guo, "Gas-Sensitive Properties of Fe2O3 Nanoparticles Prepared by Laser-Induced Vapor-Phase Reaction", Solid State Phenomena, Vols. 121-123, pp. 61-64, 2007
Online since
March 2007
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Bing Xu, Ren Guo Song, Chao Wang
Chapter 2: Micro / Nano Materials
Abstract:Ag, Au and Ti metal nanoparticles colloids have been prepared by pulsed laser ablation in various liquids. The particle size and morphology...
648
Authors: Bing Xu, Ren Guo Song
Chapter 1: Material Science
Abstract:In order to shorten the fussy experimental process in preparing colloidal solutions of silver nanoparticles by pulsed laser ablation in...
488
Authors: Xiao Peng, Kai Yong Jiang
Chapter 4: Engineering Material, Energy Science and Dynamic System in Mechanical Engineering
Abstract:Metallization treating on the plastic surface without the mask technology was created by using a new method combining the laser technique...
765
Authors: Jian Hong Wang, Pei Kang Bai, Zhen Lin Zhang, Yu Xin Li
Chapter 2: Materials Science
Abstract:Laser surface cladding of Ti6Al4V alloy by Ti+Al+C powders (Titanium and carbon powders with an atomic ratio of 1:1 were mixed with 20-60wt.%...
738
Authors: A. Hürner, T. Schlegl, B. Adelmann, H. Mitlehner, R. Hellmann, A.J. Bauer, L. Frey
Chapter 9: Processing Diverse
Abstract:In this study, we present the results of alloying nickel as ohmic contact material to n-type 4H-SiC via a continuous wave fiber laser with...
773