Effect of Substrate Properties on Luminescence of White ZnGa2O4 Phosphor

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概要

• 論文の詳細を見る

• The variations in the crystallization and luminescence characteristics of ZnGa2O4 phosphor screens deposited on various substrates were investigated. The ZnGa2O4 phosphor deposited on Corning glass, indium tin oxide glass and Si substrates was polycrystalline. However, when a ZnO buffer layer was prepared, it was amorphous; it was polycrystalline after annealing at a temperature higher than 300 °C. The optimal cathodoluminescence was caused by the low backscattering of electrons, a large emission area, and the specific crystallization of the ZnGa2O4 phosphor grown on the ITO glass substrate. When a ZnO buffer layer was prepared, small ZnGa2O4 grains were grown; consequently, the emission area and CL intensity increased. Resistivity measurement revealed that the conductivity and cathodoluminescence are improved by thermal annealing.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2007-07-15

著者

• Yang Su-hua

  Department Of Electrical Engineering National Cheng Kung University

• Chang Shoou-jinn

  Institute Of Electro-optical Science And Engineering Center For Micro/nano Science And Technology Na

• Hsueh Ting-Jen

  Department of Electronic Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung 807, Taiwan, R.O.C.

• Yang Su-Hua

  Department of Electronic Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung 807, Taiwan, R.O.C.

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