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제121회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Emission color tuning of copper halide melamine complex by halide-substitution

등록일
2018년 2월 13일 16시 24분 18초
접수번호
6129
발표코드
MAT.P-559 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
4월 20일 (금요일) 11:00~12:30
발표형식
포스터
발표분야
Material Chemistry
저자 및
공동저자
Juhyun Kim, Jaegyeom Kim, Woojin Yoon, Hoseop Yun, Seung-Joo Kim*
Department of Energy Systems Research, Ajou University, Korea
CuX(melamine) (X = Br and I), a new organic-inorganic hybrid material, were synthesized as single crystals via hydrothermal method. Their crystal structures were determined by single crystal X-ray diffraction and all compounds show triclinic symmetry (space group = P -1). In these structures, copper halides exhibit 1-dimensional stair step polymer structure built up by two chains including copper atom and halogen atom. Three halogen atoms are coordinated to copper atom and each melamine ligand affords one N-heterocycle N atom as the forth coordination of Cu. Abundant hydrogen bonds of melamine stabilize the crystal structure by connecting inter and intralayer. Photoluminescence properties of CuBrxI1-x(melamine) were investigated according to halogen atom ratio. When excited at about 300 nm, the maximum emission wavelengths in the photoluminescence spectra were varied on the compositional ratio of halides : e. g. blue for x = 0, white for x = 0.5 and green for x = 1.

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