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19 September 2017 Emission control of multilayered thin films of ZnO/CuO prepared by pulsed laser deposition (Conference Presentation)
Hong-Kun Lyu, Bunyod Allabergenov, Hyunseok Shim, Myoung-Jae Lee, Byeongdae Choi
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Proceedings Volume 10381, Wide Bandgap Power Devices and Applications II; 1038105 (2017) https://doi.org/10.1117/12.2275525
Event: SPIE Optical Engineering + Applications, 2017, San Diego, California, United States
Abstract
In this report, we present on a research result of the microstructural and optical properties of ZnO/CuO multilayered films. Three types of multilayer ZnO/CuO stacks were prepared by pulsed laser deposition (PLD) on amorphous SiO2/Si substrates, and then annealed at 500oC for 30 min to improve crystallinity. TEM and XRD analysis of the thin films revealed the formation of multiple crystallographic defects and modification of the dominant growth plane. Consequently, near-band-edge emission in ZnO can be controlled through the number of CuO layers. The detailed microstructure and electro optical properties of multilayered ZnO/CuO thin films will be discussed.
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Hong-Kun Lyu, Bunyod Allabergenov, Hyunseok Shim, Myoung-Jae Lee, and Byeongdae Choi "Emission control of multilayered thin films of ZnO/CuO prepared by pulsed laser deposition (Conference Presentation)", Proc. SPIE 10381, Wide Bandgap Power Devices and Applications II, 1038105 (19 September 2017); https://doi.org/10.1117/12.2275525
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KEYWORDS
Multilayers
Zinc oxide
Luminescence
Pulsed laser deposition
Thin films
Transmission electron microscopy
Crystals
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