Klimash, A. , Pander, P., Klooster, W. T., Coles, S. J., Data, P., Dias, F. B. and Skabara, P. J. (2018) Intermolecular interactions in molecular crystals and their effect on thermally activated delayed fluorescence of helicene-based emitters. Journal of Materials Chemistry C, 6(39), pp. 10557-10568. (doi: 10.1039/C8TC03390K)
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Abstract
Here, we discuss the influence of the crystal structure on the photophysical properties of two new TADF emitters containing a non-planar helical moiety. The presence of solvent in the crystal lattice of a diaza[5]helicene-based compound alters molecular packing significantly and suppresses aggregation. This results in more intense TADF emission and an increase in PLQY. Solution-processed OLED devices gave a maximum external quantum efficiency of 7.1%.
| Item Type: | Articles |
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| Additional Information: | This research has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement H2020-MSCA-ITN-2015/674990 project "EXCILIGHT". |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Skabara, Professor Peter and Klimash, Ms Anastasiia |
| Authors: | Klimash, A., Pander, P., Klooster, W. T., Coles, S. J., Data, P., Dias, F. B., and Skabara, P. J. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Journal of Materials Chemistry C |
| Publisher: | Royal Society of Chemistry |
| ISSN: | 2050-7526 |
| ISSN (Online): | 2050-7534 |
| Published Online: | 12 September 2018 |
| Copyright Holders: | Copyright © 2018 The Royal Society of Chemistry |
| First Published: | First published in Journal of Materials Chemistry C 6(39): 10557-10568 |
| Publisher Policy: | Reproduced under a Creative Commons License |
| Data DOI: | 10.5525/gla.researchdata.634 |
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