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Bio‐Inspired Optically Controlled Ultrafast Molecular AND Gate
Author(s) -
Andersson Mikael,
Sinks Louise E.,
Hayes Ryan T.,
Zhao Yongyu,
Wasielewski Michael R.
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200351488
Subject(s) - ultrashort pulse , excited state , tetrad , covalent bond , laser , wavelength , series (stratigraphy) , charge (physics) , electron , chemistry , optoelectronics , materials science , physics , atomic physics , optics , biology , organic chemistry , mathematical physics , paleontology , quantum mechanics
A fast switch : A covalent molecular tetrad (see picture), consisting of two electron donor/acceptor pairs acts as a high‐speed molecular AND gate when it is sequentially excited using laser pulses having two different wavelengths. This system of using two sequential photodriven electron transfers is analogous to photosystems I and II in green plants which act in series to separate charge for long periods of time.