Tetraphenylethene 9,10-Diphenylanthracene Derivatives - Synthesis and Photophysical Properties

Can Gao; Jia Yi Seow; Bolong Zhang; Christopher R Hall; Andrew J Tilley; Jonathan M White; Trevor A Smith; Wallace WH Wong

Journal article

Tetraphenylethene 9,10-Diphenylanthracene Derivatives - Synthesis and Photophysical Properties

Can Gao, Jia Yi Seow, Bolong Zhang, Christopher R Hall, Andrew J Tilley, Jonathan M White, Trevor A Smith, Wallace WH Wong

CHEMPLUSCHEM | WILEY-V C H VERLAG GMBH | Published : 2019

DOI: 10.1002/cplu.201900100

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Abstract

A series of tetraphenylethene 9,10-diphenylanthracene (TPE-DPA) derivatives have been synthesized, and their photophysical properties studied. Photoluminescence measurements in PMMA, neat films and nanoparticle dispersions reveal that different aggregation states are formed, which leads to different photophysical behavior. The triplet excited state properties were studied using Pt(II) octaethylporphyrin (PtOEP) as triplet sensitizer. Upconverted emission from the DPA moiety is observed in nanoparticle dispersions of each derivative. A higher upconverted emission intensity is observed in aerated (compared to deaerated) solutions of the derivatives following irradiation, which is attributed to..

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University of Melbourne Researchers

Wallace Wong Author Chemistry

Trevor Smith Author Chemistry

Jonathan White Author Chemistry

Christopher Hall Author Chemistry

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Awarded by ARC Future Fellowship

Awarded by ARC Centre of Excellence in Exciton Science

Funding Acknowledgements

This work was made possible by support from the Australian Renewable Energy Agency which funds the project grants within the Australian Centre for Advanced Photovoltaics (ACAP). W.W.H.W. was supported by an ARC Future Fellowship (FT130100500). T.A.S and W.W.H.W. are supported by the ARC Centre of Excellence in Exciton Science (CE170100026). The authors also thank the Australian Synchrotron for beamtime via the Collaborative Access Program (proposal number 13618b).