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  • 02월 22일 16시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

Formation of Chiral Mesopores in Conducting Polymers by Chiral Lipid Ribbon Templating and “Seeding” Route

등록일
2008년 2월 15일 18시 19분 23초
접수번호
1435
발표코드
27P22포 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 <발표Ⅱ>
발표형식
포스터
발표분야
공업화학
저자 및
공동저자
Chaxing Fan, Huibin Qiu, Juanfang Ruan, Osamu Terasaki, Yong Yan, Zhixiang Wei, Shunai Che
Department of Chemistry, School of Chemistry and Chemical Technology,Shanghai Jiao Tong University,
Conducting polymers nanofibers with controllable chiral mesopores in the size, the shape, and handedness have been synthesized by chiral lipid ribbon templating and “seeding” route. Chiral mesoporous conducting poly (pyrrole) (CMPP) synthesized with very small amount of chiral amphiphilic molecules (usually < 3%) has helically twisted channels with well-defined controllable pore size of 5-20 nm in central axis of the twisted fibers. The structure and chirality of helical mesopores have been characterized by high-resolution transmission electron microscope (HRTEM), scanning electron microscope (SEM) and electron tomography. The average pore diameters of chiral mesopores were approximately estimated from the N2 adsorption-desorption data and calculated by the conversion calculation from helical ribbons to a rectangular straight tape. The pore size of CMPP has been controlled by choosing different alkyl chain lengths of chiral lipid molecules or precisely adjusting the H2O/EtOH volume ratio.

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