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Acknowledgements
We thank Prof Shizuo Tokito for preparation of the electroluminescence device and EL measurements. This study was supported by a Grant-in-Aid for Scientific Research (no. 17073008) in the Priority Area ‘Science of Ionic liquids’ (Area Number 452), a Grant-in-Aid for Scientific Research (B) (no. 20350071) and a Grant-in-Aid for Young Scientists (Start-up) (no. 20850015).
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Hayashi, S., Inagi, S. & Fuchigami, T. Macrostructural order and optical properties of polyfluorene-based polymer films. Polym J 42, 772–775 (2010). https://doi.org/10.1038/pj.2010.58
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DOI: https://doi.org/10.1038/pj.2010.58
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