Enhanced photoluminescence from polycrystalline ZnO films resulting from oxygen processing

Gang Wang; G. Zhang; J. B. Ketterson; R. Gatt

doi:10.1016/j.tsf.2004.01.089

Enhanced photoluminescence from polycrystalline ZnO films resulting from oxygen processing

Gang Wang^*, G. Zhang, J. B. Ketterson, R. Gatt

^*Corresponding author for this work

Physics and Astronomy

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

3 Scopus citations

Abstract

We report studies of photoluminescence from polycrystalline ZnO films deposited on sapphire as a function of the in situ oxygen pressure during growth and ex situ annealing. The ultraviolet photoluminescence was observed to increase by more than two orders of magnitude as a result of the annealing treatment. Enhanced cathodoluminescence was observed from the same films. The role of oxygen defects is discussed.

Original language	English (US)
Pages (from-to)	232-236
Number of pages	5
Journal	Thin Solid Films
Volume	460
Issue number	1-2
DOIs	https://doi.org/10.1016/j.tsf.2004.01.089
State	Published - Jul 22 2004

Keywords

Oxygen partial pressure
Photoluminescence
ZnO films

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/j.tsf.2004.01.089

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title = "Enhanced photoluminescence from polycrystalline ZnO films resulting from oxygen processing",

abstract = "We report studies of photoluminescence from polycrystalline ZnO films deposited on sapphire as a function of the in situ oxygen pressure during growth and ex situ annealing. The ultraviolet photoluminescence was observed to increase by more than two orders of magnitude as a result of the annealing treatment. Enhanced cathodoluminescence was observed from the same films. The role of oxygen defects is discussed.",

keywords = "Oxygen partial pressure, Photoluminescence, ZnO films",

author = "Gang Wang and G. Zhang and Ketterson, {J. B.} and R. Gatt",

note = "Funding Information: This work was partially supported under the Multidisciplinary University Research Initiative funded by the Army Research Office (Grant No. DAAG55-97-1-0133) and was carried out in the Materials Research Center Laser Facility supported by the MRSEC program of the National Science Foundation (DMR-0076097).",

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T1 - Enhanced photoluminescence from polycrystalline ZnO films resulting from oxygen processing

AU - Wang, Gang

AU - Zhang, G.

AU - Ketterson, J. B.

AU - Gatt, R.

N1 - Funding Information: This work was partially supported under the Multidisciplinary University Research Initiative funded by the Army Research Office (Grant No. DAAG55-97-1-0133) and was carried out in the Materials Research Center Laser Facility supported by the MRSEC program of the National Science Foundation (DMR-0076097).

PY - 2004/7/22

Y1 - 2004/7/22

N2 - We report studies of photoluminescence from polycrystalline ZnO films deposited on sapphire as a function of the in situ oxygen pressure during growth and ex situ annealing. The ultraviolet photoluminescence was observed to increase by more than two orders of magnitude as a result of the annealing treatment. Enhanced cathodoluminescence was observed from the same films. The role of oxygen defects is discussed.

AB - We report studies of photoluminescence from polycrystalline ZnO films deposited on sapphire as a function of the in situ oxygen pressure during growth and ex situ annealing. The ultraviolet photoluminescence was observed to increase by more than two orders of magnitude as a result of the annealing treatment. Enhanced cathodoluminescence was observed from the same films. The role of oxygen defects is discussed.

KW - Oxygen partial pressure

KW - Photoluminescence

KW - ZnO films

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SN - 0040-6090

VL - 460

SP - 232

EP - 236

JO - Thin Solid Films

JF - Thin Solid Films

IS - 1-2

ER -

Enhanced photoluminescence from polycrystalline ZnO films resulting from oxygen processing

Abstract

Keywords

ASJC Scopus subject areas

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