Molecular Design of Polymer Bilayer Films that Generate Rectifying Photocurrent

产生整流光电流的聚合物双层薄膜的分子设计

• 批准号: 60550641
• 负责人: MORISHIMA Yotaro
• 金额: $ 1.34万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1985
• 资助国家: 日本
• 起止时间: 1985 至 1986
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-60550641/
• 关键词: Photo-induced electron transfer; Polyethylenimine; Merocyanine dye; Polymer bilayer film; Rectifying photoredox current; junction interface; Polymer dye; 自己電子交換

1. The directional control of electron flows in photo-induced electron transfer reactions is known to occur across a rectifying junction of inorganic semiconductors. We have succeeded in the observation of rectifying photoredox current on a junction of two polyethylenimine films, one consisting of merocyanine dyes and the other anthraquinone. The polymer bilayer film could easily be prepared by a spin-coating technique.2. From detailed comparison of the photocurrent observed on the polymer-merocyanine film containing a series of quinones with varying redox potentials, it was suggested that the photoinduced electron transfer rate in this polymer film system could be explicable by the "inverted region" of electron transfer theory.3. The self-exchange rate of electrons was investigated by a potential step method using a polymer film consisting of N-methylphenothiazine as a redox species. The result suggested that the nature of polymer matrices has a large effect on the electron transfer process.

1.已知光诱导电子转移反应中的电子流的方向控制发生在无机半导体的整流结上。我们已经成功地观察到整流光氧化还原电流的两个聚乙烯亚胺膜，一个由汞染料和其他蒽醌的交界处。该聚合物双层膜可以很容易地通过旋涂技术制备.通过对含有一系列氧化还原电位不同的醌类化合物的聚合物-汞膜上的光电流的详细比较，我们认为该聚合物膜体系中的光诱导电子转移速率可以用电子转移理论的“反转区”来解释.用电位阶跃法研究了以N-甲基吩噻嗪为氧化还原物种的聚合物膜的电子自交换速率。结果表明，聚合物基体的性质对电子转移过程有很大的影响。

项目成果

Yotaro Morishima: "Photoredox Reaction of Functionalized Polyelectrolytes" J. Polym. Sci., Polym. Symp.,. 74. 1-5 (1986)

Yotaro Morishima：“功能化聚电解质的光氧化还原反应”J. Polym。

Yotaro Morishima: "Charge Transport in Polymer Films" High Polymer, Japan. 35. 252-255 (1985)

Yotaro Morishima：“聚合物薄膜中的电荷传输”High Polymer，日本。

森島洋太郎: 高分子. 35. 252-255 (1985)

森岛阳太郎：聚合物。 35. 252-255 (1985)

Yotaro Morishima: "Rectifying Photocurrent Flow Across the Junction of a Polymer Bilayer Film" J. Chem. Soc., Chem. Commun.,. 912-914 (1985)

Yotaro Morishima：“整流聚合物双层薄膜结处的光电流”J. Chem。

森島洋太郎: J.Polym,Sci.,Polym.Lett.Ed.23. 651-653 (1985)

森岛阳太郎：J.Polym,Sci.,Polym.Lett.Ed.23 (1985)。