Polymer colour converter with very high modulation bandwidth for visible light communications

D. A. Vithanage; A. L. Kanibolotsky; S. Rajbhandari; P. P. Manousiadis; M. T. Sajjad; H. Chun; G. E. Faulkner; D. C. O’Brien; P. J. Skabara; I. D. W. Samuel; G. A. Turnbull

doi:10.1039/C7TC03787B

Polymer colour converter with very high modulation bandwidth for visible light communications†

D. A. Vithanage,^a A. L. Kanibolotsky,^bc S. Rajbhandari,^de P. P. Manousiadis,^a M. T. Sajjad,

^a H. Chun,^d G. E. Faulkner,^d D. C. O’Brien,^d P. J. Skabara,

*^b I. D. W. Samuel

*^a and G. A. Turnbull

*^a

Author affiliations

* Corresponding authors

^a Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews, St. Andrews, UK
E-mail: gat@st-andrews.ac.uk, idws@st-andrews.ac.uk

^b WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde, Glasgow, UK

^c Institute of Physical-Organic Chemistry and Coal Chemistry, 02160 Kyiv, Ukraine

^d Department of Engineering Science, University of Oxford, Oxford, UK

^e Centre for Mobility & Transport, School of Computing, Electronics and Mathematics, Coventry University, Coventry, UK

Abstract

For white light data communications, broadband light emitting materials are required, whose emission can be rapidly modulated in intensity. We report the synthesis, photophysics and application of a novel semiconducting polymer for use as a high bandwidth colour converter, to replace commercial phosphors in white LEDs. The high modulation bandwidth (470 MHz) is 140 times higher than that measured using a conventional LED phosphor.

This article is part of the themed collection: Celebrating our 2018 prize and award winners

Journal of Materials Chemistry C

Polymer colour converter with very high modulation bandwidth for visible light communications†

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