화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of the Korean Industrial and Engineering Chemistry, Vol.2, No.4, 311-329, December, 1991
Export Citation
신기능성 LB 단분자막을 이용한 분자소자의 전기화학적 연구
Electrochemical Study of Molecular Devices Using Functional LB Monomolecular Layer Compounds
박수길
초록
산화주석전극 위에 LB 법에 의해 단분자층상으로 흡착된 양친매성 Os 착체의 전기화학적 거동을 살펴보았다. 또한 단분자막형태로 흡착된 redox 종의 전극반응의 이론식을 가역, 비가역, 준가역파에 대하여 검토하였고, 이들막이 진공증착된 SnO2 전극 위로 전이될 때, 그 전극에서 흐른 전체 전하를 cyclic voltammogram 의 그림적분법에 의해 구하였다. 그리고 이들 단분자막을 이용한 전자이동 중개반응의 응용면도 Fe2＋, TEMPOL 등을 이용해 해석하였다. 이들 측정된 cyclic voltammogram을 이론식으로부터 유도하여 분자들간의 상호작용 parameter를 고려해서 simultation 하였다. 이들로부터 구해진 parameter 들은 측정된 cyclic voltammogram 과 거의 일치함을 확인할수 있었다. 마지막으로 LB 법을 이용한 최근의 연구동향 및 응용분야를 소개하였다.
Electrochemical behavior of surface active Osmium bipyridine complex adsorbed in a monomolecular layer on tin oxide electrodes by the Langmuir-Blodgett method was studied. Theoretical equation of cyclic voltammetry of electrode reactions for redox species adsorbed as monolayer form was discussed by reversible and quasi-reversible waves. The film was transferred onto the SnO2 electrode surface and then amounts of charge on the electrode were measured in the technique of cyclic voltammetry. The electron transfer mediation of these monolayer with Fer2＋, TEMPOL and others were studied. And the cyclic voltammetry were simulated by taking into account the interaction parameters. From these values, we found it possible to fit almost all measured cyclic voltammograms with these parameters. The recent works and directions using LB method were introduced with various applicable field.
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