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Low Temperature Growth of CaTiO3: Pr Phosphor Thin Film on Flexible Substrate by Photo- induced Chemical Solution Process

Published online by Cambridge University Press:  31 July 2012

Tetsuo Tsuchiya ,
Tomohiko Nakajima  and
Kentaro Shinoda
Tetsuo Tsuchiya
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST),Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki, 305-8565, Japan
Tomohiko Nakajima
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST),Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki, 305-8565, Japan
Kentaro Shinoda
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST),Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki, 305-8565, Japan
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Abstract

Preparation of the CaTiO3:Pr (CTO:Pr) phosphor thin film on PET substrate was investigated by using the excimer laser-assisted metal organic decomposition(ELAMOD) and photo reaction of nano-particles (PRNP) process. The effects of the substrate material, starting materials, and UV sources on photoluminescence (PL) were investigated. By using the BaTiO3(BTO) nano-particles buffer layer and the CTO: Pr nano-particles as a starting material, CTO: Pr thin film on the PET substrate was successfully obtained by using the KrF laser and excimer lamp irradiation at 25°C. It was found that excimer lamp irradiation is effective for improving the PL of the films.

Keywords

metalorganic depositionlaser-induced reactionthin film

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