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기능성 유기 초박막을 이용한 NO₂ 가스센서 개발을 위한 기초 연구
손병청(Sohn B C),임병오(Rim B O),김용인(Kim Y I),손태원(Sohn T W),신동명(Shin D M),주재백(Ju J B),정귀영(Chung G Y),김영관(Kim Y K),강우형(Kang W H),이병호(Lee B H) 한국유화학회 1995 한국응용과학기술학회지 Vol.12 No.1
Ultra thin films of Tetra-3-hexadecylsulphamoylcopperphthalocyanine(HDSM-CuPc) were formed on various substrates by Langmuir-Blodgett method, where HDSM-CuPc was synthesized by attaching long-chain alkylamine(hexa-decylamine) to CuPc. The reaction product was identified with FT-IR, UV-visible absorption spectroscopies, elemental analysis and thin layer chromatography. The formation of Ultrathin Langmuir-Blodgett(LB) films of HDSM-CuPc was confirmed by FT-IR and UV-visible spectroscopies. A quartz piezoelectric crystal coated with LB films of HDSM-CuPc was examined as a gas sensor for NO₂ gas. HDSM-CuPc LB films were transferred to a quartz crystal microbalance(QCM) in the form of Z-type multilayers. Response characteristics of film-coated QCM to NO₂ gas concentrations over a range of l00~600ppm have been tested with a thickness of 5~20 layers of HDSM-CuPc. Changes in frequency by adsorption of NO₂ were increased with the number of LB layers and NO₂ concentration, but the response time was slow.
기능성 유기 초박막을 이용한 NO2 가스센서 개발을 위한 기초 연구
손병청,임병오,김용인,손태원,신동명,주재백,정귀영,김영관,강우형,이병호 ( B . C . Sohn,B . O . Rim,Y . I . Kim,T . W . Sohn,D . M . Shin,J . B . Ju,G . Y . Chung,Y . K . Kim,W . H . Kang,B . H . Lee ) 한국유화학회 1995 한국응용과학기술학회지 Vol.12 No.1
Ultra thin films of Tetra-3-hexadecylsulphamoylcopperphthalocyanine(HDSM-CuPc) were formed on various substrates by Langmuir-Blodgett method, where HDSM-CuPc was synthesized by attaching long-chain alkylamine(hexa-decylamine) to CuPc. The reaction product was identified with FT-IR, UV-visible absorption spectroscopies, elemental analysis and thin layer chromatography. The formation of Ultrathin Langmuir-Blodgett(LB) films of HDSM-CuPc was confirmed by FT-IR and UV-visible spectroscopies. A quartz piezoelectric crystal coated with LB films of HDSM-CuPc was examined as a gas sensor for NO_2 gas. HDSM-CuPc LB films were transferred to a quartz crystal microbalance(QCM) in the form of Z-type multilayers. Response characteristics of film-coated QCM to NO_2 gas concentrations over a range of 100~600ppm have been tested with a thickness of 5~20 layers of HDSM-CuPc. Changes in frequency by the response time was slow.
한국 야생 멧토끼 ( Lepus sinensis coreanus ) 의 건물 섭취량과 소화율
김용국(Y . K . Kim),김용인(Y . I . Kim) 한국축산학회 1993 한국축산학회지 Vol.35 No.5
Body weights, dry matter intakes, and dry matter digestibilities by wild Korean mountain hares were determined. Four haves (two pairs) were assigned to the diets containing sweet potato + kudzu vine (Diet 1) and sweet potato + soybeans + kudzu vine (Diet 2). Body weight of males were 1,548 g for Diet t and L,528 g for Diet 2, and those of females were 1,419 g for Diet 1 and 1,408 g for Diet 2. Daily dry matter intakes by males were L20.7 g for Diet I and 108.3 g for Diet 2 (P$lt;.01), and those by females were 109.9 g for Diet 1 and 92.4 g for Diet 2 (P$lt;.01). Dry matter digestibilities by males were 66.2% for Diet 1 and 68.1% for Diet 2 (P$lt;.01), and those by females were 72.9% for Diet 1 and 77.4% for Diet 2 (P$lt;.01).