Effect of annealing time and annealing atmosphere on infrared emissivity property of Zn1-xCoxO by solid state reaction

DOI

10.2991/msmee-17.2017.230How to use a DOI?

Keywords

Infrared emissivity; annealing time; annealing atmosphere; Co-doped ZnO

Abstract

The Zn1-xCoxO powders were synthesized by solid-state reaction at different annealing time and annealing atmosphere. The effects of annealing time and annealing atmosphere on the structure, morphologies and infrared emissivities have been investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-visible absorption spectroscopy and IR-2 dual-band infrared emissometer. The results indicate that the Zn1-xCoxO samples have hexagonal wurtzite structure while the peaks of the secondary phase, Co, were observed when sintering at N2 atmosphere. The annealing time and annealing atmosphere have important impacts on the microstructure and the infrared radiation properties of Zn1-xCoxO nanopowders. UV-visible absorption spectra showed that Co ions substituted the Zn ions in the ZnO lattices. And the infrared emissivity depends on the microstructure, grain size and lattice vibration.

Copyright

© 2017, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Download article (PDF)

TY  - CONF
AU  - Yongmei Zhu
AU  - Shujuan Tan
AU  - Guoyue Xu
AU  - Tengchao Guo
PY  - 2017/05
DA  - 2017/05
TI  - Effect of annealing time and annealing atmosphere on infrared emissivity property of Zn1-xCoxO by solid state reaction
BT  - Proceedings of the 2017 2nd International Conference on Materials Science, Machinery and Energy Engineering (MSMEE 2017)
PB  - Atlantis Press
SP  - 1221
EP  - 1225
SN  - 2352-5401
UR  - https://doi.org/10.2991/msmee-17.2017.230
DO  - 10.2991/msmee-17.2017.230
ID  - Zhu2017/05
ER  -