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전주센터 NT 관련 세미나 개최 안내 (2005. 9. 13(화))
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이름 : 최고관리자 | 작성일 : 2005.09.06 13:54 | 조회수 : 33806
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전주센터에서는 전문가를 초청하여 NT 연구분야에 관하여 세미나를 개최하오니 관심있는 분들의 많은 참여를 바랍니다. ■ 일 시 : 2005. 9. 13(화) 16 : 00 ■ 장 소 : 한국기초과학지원연구원 전주센터 세미나실               (전북대학교 농과대학 1호관) ■ 연사 및 세미나 주제     - 현택환 교수 (서울대학교 응용화학부)      ˝Synthesis, Characterization, and Applications of Uniform-sized Nanocrystals       and New Nanostructured Carbon Materials˝ ※ 문의 : 조선아 교육담당자 063) 270-4228, jsa@kbsi.re.kr ------------------------- 세미나 초록 ------------------------------------------ Synthesis, Characterization, and Applications of Uniform-sized Nanocrystals and New Nanostructured Carbon Materials We developed a new generalized synthetic procedure to produce monodisperse nanocrystals of many transition metals, metal oxides, and metal sulfides without a size selection process. Highly-crystalline and monodisperse nanocrystals were synthesized from the thermal decomposition of metal-sufactant complexes. So far, we have synthesized monodisperse spherical nanocrystals of Fe, Co, magnetite, cobalt ferrite, manganese ferrite, Ni, MnO, Pd, CdS, ZnS, PbS, MnS, and core/shell structured materials of Ni/Pd and Cu/CuO. Very recently, we were able to synthesize 40 gram of monodisperse magnetite nanoparticles without going through a size selection process. By controlling the nucleation and growth processes, we were able to synthesize monodisperse magnetite nanoparticles with particle sizes of 6, 7, 8, 9, 10, 11, 12, 13, 14, 16 nm. We developed new non-hydrolytic sol-gel reactions to synthesize uniform-sized nanocrystals of various metal oxides including zirconia, ceria, ZnO and Titania. We developed a new generalized synthetic procedure to produce various nanorods. Diameter-controlled synthesis of various nanorods was achieved. So far we have synthesized nanorods of iron, iron oxide, iron phoshpide, cobalt phosphide, manganese phosphide, ZnO, TiO2 and ZnS. The synthesis, characterization, and applications of these nanocrystals will be presented. Nanoporous carbons have been produced using various silica nanostructures as templates. Mesoporous carbons with several different pore structures have been synthesized using mesoporous silicas as templates and they were applied as biosensors, electrodes for supercapacitors and adsorbents for water pollutants. Palladium hollow spheres were successfully applied as recyclable heterogeneous catalysts for Suzuki-cross coupling reactions.
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