Supramolecular control of oligothienylenevinylene-fullerene interactions: evidence for a ground-state EDA complex

被引：44
|
作者：
McClenaghan, ND [1 ]
Grote, Z
Darriet, K
Zimine, M
Williams, RM
De Cola, L
Bassani, DM
机构：
[1] Univ Bordeaux 1, CNRS, UMR 5802, LCOO,Ctr Rech Chim Mol, F-33405 Talence, France
[2] Univ Amsterdam, HIMS, NL-1018 WV Amsterdam, Netherlands
来源：
ORGANIC LETTERS | 2005年 / 7卷 / 05期
关键词：
D O I：
10.1021/ol047527r
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Complementary hydrogen-bonding interactions between a barbituric acid-substituted fullerene derivative (1) and corresponding receptor (2) bearing thienylenevinylene units are used to assemble a 1:1 supramolecular complex (K = 5500 M-1). Due to the close proximity of the redox-active moieties within the assembly, strong ground-state electron-donor-acceptor interactions are observed. Photoinduced electron transfer from electron-rich thienylenevinylene subunits to the fullerene is very fast (k(et) = 5.5 x 10(12) s(-1)), as determined by fs-time-resolved transient absorption spectroscopy.
引用
收藏
页码：807 / 810
页数：4
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