Pashazadeh, Ramin and Pander, Piotr and Lazauskas, Algirdas and Dias, Fernando B. and Grazulevicius, Juozas V. (2018) 'Multicolor luminescence switching and controllable thermally activated delayed fluorescence turn on/turn off in carbazole–quinoxaline–carbazole triads.', Journal of physical chemistry letters., 9 (5). pp. 1172-1177.
We report a series of thermally activated delayed fluorescence (TADF) molecules with mechanochromic luminescence properties and reversible TADF turn on/off properties in solid state that are induced by the transition between amorphous and crystalline states. Additionally, multicolor altering through external stimulus is demonstrated. All of the studied compounds exhibited recovery of the initial states associated with narrower emission spectra. TADF organic light-emitting diodes fabricated by solution processing rendered high external quantum efficiency up to 10.9% and luminance of 16 760 cd m–2.
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|Publisher Web site:||https://doi.org/10.1021/acs.jpclett.8b00136|
|Publisher statement:||This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemical Letters copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jpclett.8b00136|
|Record Created:||20 Mar 2018 10:43|
|Last Modified:||19 Feb 2019 10:08|
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