Journal article
Highly Fluorescent Molecularly Insulated Perylene Diimides: Effect of Concentration on Photophysical Properties
Bolong Zhang, Hamid Soleimaninejad, David J Jones, Jonathan M White, Kenneth P Ghiggino, Trevor A Smith, Wallace WH Wong
CHEMISTRY OF MATERIALS | AMER CHEMICAL SOC | Published : 2017
Abstract
A series of four perylene diimide (PDI) chromophores were prepared with increasing steric bulk on the imide substituents with the aim of retarding the effect of concentration quenching on photoluminescence, commonly observed with these dyes. Spectroscopic investigations of the compounds in dilute solution confirmed that the photophysical properties of the PDI core chromophore were not perturbed by the bulky substituents. Solid film samples containing the PDI compounds at various concentrations dispersed in a poly(methyl methacrylate) (PMMA) matrix were examined and compared to amorphous neat films as well as crystalline samples. The PDI compounds containing di-tert-butylphenyl (bPDI-3) and t..
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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). Responsibility for the views, information, or advice expressed herein is not accepted by the Australian Government. WWHW is supported by an ARC Future Fellowship (FT130100500). KPG, TAS, and WWHW are also supported by the ARC Centre of Excellence in Exciton Science (CE170100026). We would like to thank Dr. James Banal for constructive discussions.