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Cover Picture: Luminescence and Light‐Driven Energy and Electron Transfer from an Exceptionally Long‐Lived Excited State of a Non‐Innocent Chromium(III) Complex (Angew. Chem. Int. Ed. 50/2019)
Author(s) -
Treiling Steffen,
Wang Cui,
Förster Christoph,
Reichenauer Florian,
Kalmbach Jens,
Boden Pit,
Harris Joe P.,
Carrella Luca M.,
Rentschler Eva,
ReschGenger Ute,
Reber Christian,
Seitz Michael,
Gerhards Markus,
Heinze Katja
Publication year - 2019
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201914208
Subject(s) - excited state , photoluminescence , quantum yield , luminescence , chromium , electron transfer , energy transfer , point reflection , atomic physics , electron , materials science , photochemistry , chemical physics , chemistry , physics , condensed matter physics , fluorescence , optoelectronics , optics , quantum mechanics , metallurgy
Inversion symmetry increases the excited‐state lifetime of a molecular ruby at room temperature in fluid solution to 4.5 ms while the photoluminescence quantum yield remains as high as 8.2 %, as shown by K. Heinze and co‐workers in their Research Article on page 18075. The chromium(III) complex [Cr(tpe) 2 ] 3+ is furthermore competent in light‐induced electron and energy transfer processes, and thus resembles classical noble metal complexes.