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PHOTOINITIATED VECTORIAL TRANSMEMBRANE ELECTRON TRANSFER IN BILAYERS SENSITIZED BY A FACE TO FACE TRIPORPHYRIN ACTING AS A MOLECULAR ELECTRONIC DEVICE. AMPLIFICATION DUE TO IONIC COUPLING
Author(s) -
Lamrabte A.,
Janot J. M.,
Bienvenue E.,
Momenteau M.,
Seta P.
Publication year - 1991
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1991.tb01994.x
Subject(s) - electron transfer , bilayer , chemistry , ionic bonding , electron transport chain , ion , optoelectronics , transistor , transmembrane protein , excitation , membrane , electron , coupling (piping) , chemical physics , photochemistry , materials science , voltage , physics , biochemistry , receptor , organic chemistry , quantum mechanics , metallurgy
Under light excitation transmembrane electron transfer is observed when a stacked Zn‐Cu‐Zn triporphyrin is incorporated in a bilayer between aqueous redox phases. The electric polarization of the membrane due to the photoinduced transmembrane charge flux drives ion transport. This effect increases the net charge transfer across the system, giving rise to an amplification similar to a field effect transistor. Thus this system can be considered an organic photo transistor.