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J. Korean Ceram. Soc. > Volume 37(1); 2000 > Article
Journal of the Korean Ceramic Society 2000;37(1): 1.
환원분이기에 따른 ZnO:Zn 형광체의 합성 및 그 형광 특성
김봉철, 백종봉, 한윤수, 이남양, 이병교1
오리온전기(주) 평판연구실
1경북대학교 무기재료공학과
Synthesis of ZnO:Zn Phosphors with Reducing Atmosphere and Their Luminescence Properties
Cathodoluminescence(CL) properties of ZnO:Zn green phosphor were investigated. ZnO:Zn phosphor was synthesized by varying reducing agents and firing temperatures. ZnS, charcoal and 5% H2 gas mixed with 95% N2 gas(5H2-95N2) were used as the reducing agent and atmosphere. The highest CL intensity of ZnO:Zn phosphor was observed under the condition of 5H2-95N2 atmosphere and firing temperature of 90$0^{circ}C$ for 1h. Charocal and ZnO as reducing agents in the syntehsis of ZnO:Zn phosphor exhibited about 60% and 40%, respectively, of the CL intensity obtained with 5H2-95N2 atmosphere.
Key words: ZnO, phosphor, Cathodoluminescence, 5% $H_2$ gas, Charcoal, ZnS, Reducing agent
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