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An all-photonic full color RGB system based on molecular photoswitches
release_sea6nktypze7vct3wja3qfbbjy
by
Gaowa Naren,
Chien-Wei Hsu,
Shiming Li,
Masakazu Morimoto,
Sicheng Tang,
Jordi Hernando,
Gonzalo Guirado,
Masahiro Irie,
Françisco M. Raymo,
Henrik Sundén,
Joakim Andréasson
Published
in Nature Communications
by Springer Science and Business Media LLC.
2019 Volume 10, Issue 1, p3996
Abstract
On-command changes in the emission color of functional materials is a sought-after property in many contexts. Of particular interest are systems using light as the external trigger to induce the color changes. Here we report on a tri-component cocktail consisting of a fluorescent donor molecule and two photochromic acceptor molecules encapsulated in polymer micelles and we show that the color of the emitted fluorescence can be continuously changed from blue-to-green and from blue-to-red upon selective light-induced isomerization of the photochromic acceptors to the fluorescent forms. Interestingly, isomerization of both acceptors to different degrees allows for the generation of all emission colors within the red-green-blue (RGB) color system. The function relies on orthogonally controlled FRET reactions between the blue emitting donor and the green and red emitting acceptors, respectively.
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Crossref Metadata (via API)
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