A potential gradient along the layer-by-layer architecture for electron transfer rectification.
Electrochemical and photochemical measurements demonstrated that dendritic phenylazomethines, which can make complexes with SnCl2 by a stepwise process, only permit an outbound electron transfer. The unique dendrimer effect allows efficient production of photo-generated radical ion pairs by suppressing their charge recombination. In sharp contrast, the phenylenevinylene or benzylether dendrimers, which lack a heteroatom or π-conjugation, did not exhibit such non-symmetric characters.
Chemical Resources Laboratory, Tokyo Institute of Technology, Yokohama, 226-8503, Japan. yamamoto@res.titech.ac.jp timaoka@res.titech.ac.jp.
Takane
T
Imaoka
Hiroki
H
Kobayashi
Makoto
M
Katsurayama
Kimihisa
K
Yamamoto