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Near‐Infrared→Visible Light Upconversion in a Molecular Trinuclear d–f–d Complex
Author(s) -
AboshyanSorgho Lilit,
Besnard Céline,
Pattison Phil,
Kittilstved Kevin R.,
Aebischer Annina,
Bünzli JeanClaude G.,
Hauser Andreas,
Piguet Claude
Publication year - 2011
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.201100095
Subject(s) - photon upconversion , energy transfer , infrared , luminescence , acceptor , chemistry , photochemistry , optoelectronics , materials science , physics , optics , chemical physics , condensed matter physics
Giving the green light : The connection of two Cr III sensitizers around a central Er III acceptor in a self‐assembled cation provides high local metal concentrations that favor efficient nonlinear energy transfer upconversion luminescence (see picture). Upon selective low‐energy near‐infrared irradiation of Cr III ‐centered transitions, 1 displays an unprecedented molecular two‐photon upconverted green Er III ‐centered emission.
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