The role of annealing conditions on the low temperature photoluminescence properties of CuAlO2

Daragh Byrne; Nick Bennett; Aidan Cowley

doi:10.1016/j.jlumin.2015.10.014

The role of annealing conditions on the low temperature photoluminescence properties of CuAlO₂

Daragh Byrne^*, Nick Bennett, Aidan Cowley

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

CuAlO₂ films and powder are prepared using different annealing conditions such as temperature and atmosphere. The effects of varying these parameters on the optical properties including Raman and low temperature photoluminescence, meta-stability and defect emission are examined. We find evidence that the blue emission may result from oxygen vacancies and that the meta-stability arises from Cu⁺-Cu⁺ interactions involving excess copper introduced during the annealing steps.

Original language	English
Pages (from-to)	212-218
Number of pages	7
Journal	Journal of Luminescence
Volume	170
Issue number	Part 1
Early online date	2 Nov 2015
DOIs	https://doi.org/10.1016/j.jlumin.2015.10.014
Publication status	Published - Feb 2016

Keywords

CuAlO
Defect emission
Low temperature photoluminescence
Meta-stable luminescence

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
General Chemistry
Biochemistry
Biophysics

Access to Document

10.1016/j.jlumin.2015.10.014

Cite this

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title = "The role of annealing conditions on the low temperature photoluminescence properties of CuAlO2",

abstract = "CuAlO2 films and powder are prepared using different annealing conditions such as temperature and atmosphere. The effects of varying these parameters on the optical properties including Raman and low temperature photoluminescence, meta-stability and defect emission are examined. We find evidence that the blue emission may result from oxygen vacancies and that the meta-stability arises from Cu+-Cu+ interactions involving excess copper introduced during the annealing steps.",

keywords = "CuAlO, Defect emission, Low temperature photoluminescence, Meta-stable luminescence",

author = "Daragh Byrne and Nick Bennett and Aidan Cowley",

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AU - Bennett, Nick

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AB - CuAlO2 films and powder are prepared using different annealing conditions such as temperature and atmosphere. The effects of varying these parameters on the optical properties including Raman and low temperature photoluminescence, meta-stability and defect emission are examined. We find evidence that the blue emission may result from oxygen vacancies and that the meta-stability arises from Cu+-Cu+ interactions involving excess copper introduced during the annealing steps.

KW - CuAlO

KW - Defect emission

KW - Low temperature photoluminescence

KW - Meta-stable luminescence

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