ONE-DIMENSIONAL DONOR-ACCEPTOR POLYMER - PHOSPHORUS PORPHYRINS LINKED WITH MOLECULAR WIRE

被引:22
作者
SEGAWA, H
NAKAYAMA, N
WU, F
SHIMIDZU, T
机构
[1] Division of Molecular Engineering, Graduate School of Engineering, Kyoto University, Kyoto
关键词
D O I
10.1016/0379-6779(93)90183-W
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
One-dimensional phosphorus(V)porphyrin polymers linked with the various length of oligothienyl molecular wire toward the axial direction of the porphyrin ring were synthesized by the electrochemical polymerization of symmetrical phosphorus(V)porphyrin triads with two oligothienyl axial groups. In the polymers, the phosphorus(V)porphyrin unit tending to be an electron acceptor acted as a photoinduced hole generator, and the oligothienyl moiety tending to be an electron donor was able to transfer the positive hole just as molecular electric wire. The conductivity of these donor-acceptor polymers was strongly enhanced by the photoirradiation, indicating that the photoinduced carrier formation and transfer occurs efficiently along the polymeric chain.
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收藏
页码:966 / 971
页数:6
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