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학술발표회초록보기

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  • 09월 12일 17시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

제110회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Luminescence Properties of Red Oxide Phosphors and characteristic of Coated Red Oxide Phosphors

등록일
2012년 8월 30일 15시 55분 39초
접수번호
1388
발표코드
PHYS.P-535 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 17일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
물리화학
저자 및
공동저자
강봉호, 강준길
충남대학교 화학과, Korea
Highly luminescent (Li1-xEux)0.5(Mo1-yWy)O4 red phosphors were prepared by solid-state reaction under air condition, and their luminescence intensity were investigated as functions of x and y. The phosphor with x = 0.5 and y = 0.4 produced the strongest intensity upon the 396-nm excitation. The excitation spectrum revealed that the direct excitation at 396 and 465 nm was more efficient that the charge-transfer excitation at 320 nm. Oxide-based phosphors were coated with metal oxides (SiO2, In2O3, and MgO), organic compounds (PEG, polystyrene, poly(1-4-phenylene sulfide), and polysulfone) to protect against a moisture. The morphology of uncoated and the coated phosphors were characterized by FE-SEM. The luminescence intensities of uncoated and the coated phosphors were measured at several high temperatures and humidity.

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