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제106회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Synthesis and Characterization of Nanocrystalline ZnS: Mn2+

등록일
2010년 8월 31일 12시 00분 11초
접수번호
1554
발표코드
Ⅲ-PHYS.P-230 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 <발표Ⅲ>
발표형식
포스터
발표분야
물리화학
저자 및
공동저자
령티빛, 형은수, 김낙중
한양대학교 화학과, Korea
Zinc sulfide doped with Mn is a well-studied material due to its luminescence characteristics among other interesting properties. Therefore, it has potential for its use in several optoelectronic devices such as Alternating Current Thin-Film Electroluminescent. Since the surface energy of the nanoparticles is very high, agglomeration takes place and particle size increases. To avoid this agglomeration, many researchers have used capping agents or surfactants, but it is very difficult to completely washout the capping agents or surfactants. Herein, this work reports on the synthesis nanocrystals of ZnS doped with Mn by chemical method without using any external capping agents. We have also studied the effect of various Mn concentrations on the size and photoluminescence of ZnS: Mn2+ nanoparticles. The sample characterization is characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM), and Infrared spectroscopy (IR). UV-Visible optical absorption study is used to determine the optical band gap of the nanocrystalline and photoluminescence (PL) spectra of the sample confirm the incorporation of Mn2+ in ZnS nanocrystals. .

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