Title

Nanostructured Zinc Oxide Films Synthesized By Successive Chemical Solution Deposition For Gas Sensor Applications

Keywords

A. Nanostructures; A. Oxides; B. Chemical synthesis; D. Electrical properties

Abstract

Nanostructured ZnO thin films have been deposited using a successive chemical solution deposition method. The structural, morphological, electrical and sensing properties of the films were studied for different concentrations of Al-dopant and were analyzed as a function of rapid photothermal processing temperatures. The films were investigated by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray photoelectron and micro-Raman spectroscopy. Electrical and gas sensitivity measurements were conducted as well. The average grain size is 240 and 224 Å for undoped ZnO and Al-doped ZnO films, respectively. We demonstrate that rapid photothermal processing is an efficient method for improving the quality of nanostructured ZnO films. Nanostructured ZnO films doped with Al showed a higher sensitivity to carbon dioxide than undoped ZnO films. The correlations between material compositions, microstructures of the films and the properties of the gas sensors are discussed. © 2008 Elsevier Ltd. All rights reserved.

Publication Date

1-8-2009

Publication Title

Materials Research Bulletin

Volume

44

Issue

1

Number of Pages

63-69

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.materresbull.2008.04.006

Socpus ID

56249137543 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/56249137543

This document is currently not available here.

Share

COinS