Year

2018

Type(s)

Journal Article

Author(s)

Klimash, A. and Pander, P. and Klooster, W.T. and Coles, S.J. and Data, P. and Dias, F.B. and Skabara, P.J.

Source

Journal of Materials Chemistry C, 6(39): 10557—10568, 2018

Url

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85054986612&doi=10.1039%2fc8tc03390k&partnerID=40&md5=cb99626216b5107e0564c64f545faa79

BibTeX

BibTeX

BibTeX

@ARTICLE{Klimash201810557, author={Klimash, A. and Pander, P. and Klooster, W.T. and Coles, S.J. and Data, P. and Dias, F.B. and Skabara, P.J.}, title={Intermolecular interactions in molecular crystals and their effect on thermally activated delayed fluorescence of helicene-based emitters}, journal={Journal of Materials Chemistry C}, year={2018}, volume={6}, number={39}, pages={10557-10568}, doi={10.1039/c8tc03390k}, note={cited By 2}, url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85054986612&doi=10.1039%2fc8tc03390k&partnerID=40&md5=cb99626216b5107e0564c64f545faa79}, affiliation={WestCHEM, School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, United Kingdom; Department of Physics, Durham University, Durham, DH1 3LE, United Kingdom; School of Chemistry, University of Southampton, Southampton, SO17 1BJ, United Kingdom}, 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%. © 2018 The Royal Society of Chemistry.}, keywords={Fluorescence; Molecular crystals, External quantum efficiency; Helicenes; Intermolecular interactions; Molecular packings; Photophysical properties; Solution-processed; Thermally activated delayed fluorescences; [5] helicene, Crystal structure}, funding_details={H2020 Marie Skłodowska-Curie ActionsH2020 Marie Skłodowska-Curie Actions, MSCA, H2020-MSCA-ITN-2015/674990}, funding_details={Horizon 2020 Framework ProgrammeHorizon 2020 Framework Programme, H2020}, funding_text 1={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’’. The data for the work can be accessed from http://dx.doi.org/10.5525/gla.researchdata. 634 and CCDC 1853153, 1853154 and 1853155 contains supplementary X-ray crystallographic data for H1-PXZ-o, H1-PXZ-r and H2-PXZ, respectively.† We acknowledge the EPSRC UK National Mass Spectrometry Facility (NMSF) at Swansea University for HRMS.41}, references={Köhler, A., Bässler, H., (2009) Mater. Sci. Eng., R, 66, pp. 71-109; Uoyama, H., Goushi, K., Shizu, K., Nomura, H., Adachi, C., (2012) Nature, 492, pp. 234-238; Lee, S.Y., Yasuda, T., Park, I.S., Adachi, C., (2015) Dalton Trans., 44, pp. 8356-8359; Okazaki, M., Takeda, Y., Data, P., Pander, P., Higginbotham, H., Monkman, A.P., Minakata, S., (2017) Chem. Sci., 8, pp. 2677-2686; Pashazadeh, R., Pander, P., Lazauskas, A., Dias, F.B., Grazulevicius, J.V., (2018) J. Phys. 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