Photoinduced electron transfer and redox-type photochromism of a TiO2-anchored molecular diad

被引:35
作者
Bonhote, P
Moser, JE
Vlachopoulos, N
Walder, L
Zakeeruddin, SM
HumphryBaker, R
Pechy, P
Gratzel, M
机构
关键词
D O I
10.1039/cc9960001163
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A linear, rigid molecular diad constituted of an electron donor (triarylamine, D) linked to a chromophore [Ru-bis(terpyridine), S] is synthesized; upon anchoring onto a nanocrystalline TiO2 electrodes this produces a charge-separated state D+-S \(e-) TiO2 under illumination decaying with: k = 7 X 10(7) s(-1) (70%), 3 X 10(5) s(-1) (20%) and 4 x 10(3) s(-1) (10%) and yielding a photochromic effect at positive polarization.
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页码:1163 / 1164
页数:2
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