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Published in

Royal Society of Chemistry, Journal of Materials Chemistry C Materials for optical and electronic devices, 23(3), p. 5970-5975, 2015

DOI: 10.1039/c5tc00878f

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Tunable Stokes shift and circularly polarized luminescence by supramolecular gel

This paper is available in a repository.
This paper is available in a repository.

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Abstract

A new optical material based on the self-assembly of a low-molecular organogelator-linked anthracene derivative for the control of the fluorescence wavelength and polarization was developed. When the anthracene derivative was formed through self-assembly, the fluorescence wavelength was shifted by 100 nm (426 to 526 nm) and emitted circularly polarized luminescence. The control of the fluorescence wavelength and polarization was accomplished through the excimer formation of anthracene fluorophores, which can be tuned by the cooling process, temperature and solvent of the solution. Also, the fluorescence control in the solid state and the white-light emission in the gel state were accomplished by mixing the polymer matrix, and the addition of red-emitting dye, respectively. This material has possible potential for various applications such as a spectral conversion film, white light-emitting diodes and circularly polarized displays.