Journal of Photochemistry and Photobiology A: Chemistry 356 (2018) 673–680 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem Comprehensive spectroscopic studies of cis and trans isomers of red-phosphorescent heteroleptic iridium(III) complexes a a a b a,c, Yang-Jin Cho , So-Yoen Kim , Ho-Jin Son , Won-Sik Han , Dae Won Cho *, a, Sang Ook Kang ** Department of Advanced Materials Chemistry, Korea University (Sejong), Sejong 30019, South Korea Department of Chemistry, Seoul Women’s University, Seoul 01797, South Korea Center for Photovoltaic Materials, Korea University (Sejong), Sejong 30019, South Korea A R T I C L E I N F O A B S T R A C T Article history: We have synthesized heteroleptic Ir(III) complexes showing red phosphorescence, which can be Received 25 January 2016 Received in revised form 31 March 2016 separated as two geometrical isomers. Each isomer showed different absorption and emission spectral Accepted 7 May 2016 behaviours. The phosphorescence of the cis isomer is observed at shorter wavelengths than the trans one. Available online 13 May 2016 Based on the results of electrochemical experiments and theoretical calculations, the LUMOs of both isomers are at the
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Apr 1, 2018
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