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Brief Communications
Nature 420, 759-760 (19 December 2002) | doi:10.1038/420759a
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Organic chemistry: A digital fluorescent molecular photoswitch
Masahiro Irie1, Tuyoshi Fukaminato1, Takatoshi Sasaki1, Naoto Tamai2 & Tsuyoshi Kawai1
Abstract
The signal from a gaudy ring molecule flashes on and off as light flicks it open and shut.
Abstract
Fluorescent properties can be useful not only for tracking individual molecules within a microenvironment, but also in molecular-scale opto-electronics. Here we use external photostimulation to switch the fluorescence on and off from a single photochromic molecule embedded in a polymer film. This digital response is due to photo-isomerization of the molecule, which may eventually find application in erasable optical data-storage elements.
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