BODIPY star-shaped molecules as solid state colour converters for visible light communications

D. A. Vithanage, P. P. Manousiadis, M. T. Sajjad, Sujan Rajbhandari, H. Chun, C. Orifino, D. Cortizo-Lacalle, A. L. Kanibolotsky, G. Faulkner, N. J. Findlay, D. C. O'Brien, P. J. Skabara, I. D. W. Samuel, G. A. Turnbull

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Abstract

In this paper, we study a family of solid-state, organic semiconductors for visible light communications. The star-shaped molecules have a boron-dipyrromethene (BODIPY) core with a range of side arm lengths which control the photophysical properties. The molecules emit red light with photoluminescence quantum yields ranging from 22% to 56%. Thin films of the most promising BODIPY molecules were used as a red colour converter for visible light communications. The film enabled colour conversion with a modulation bandwidth of 73 MHz, which is 16 times higher than that of a typical phosphor used in LED lighting systems. A data rate of 370 Mbit/s was demonstrated using On-Off keying modulation in a free space link with a distance of ∼15 cm. Publisher statement: This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Vithanage, D. A. , Manousiadis, P. P. , Sajjad, M. T. , Rajbhandari, S. , Chun, H. , Orifino, C. , Cortizo-Lacalle, D. , Kanibolotsky, A. L. , Faulkner, G. , Findlay, N. J. , O'Brien, D. C. , Skabara, P. J. , Samuel, I. D. W. and Turnbull, G. A. (2016) BODIPY star-shaped molecules as solid state colour converters for visible light communications. Applied Physics Letters, volume 109 : 013302 and may be found at http://dx.doi.org/10.1063/1.4953789.
Original languageEnglish
Article number013302
JournalApplied Physics Letters
Volume109
DOIs
Publication statusPublished - 6 Jul 2016

Bibliographical note

This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Vithanage, D. A. , Manousiadis, P. P. , Sajjad, M. T. , Rajbhandari, S. , Chun, H. , Orifino, C. , Cortizo-Lacalle, D. , Kanibolotsky, A. L. , Faulkner, G. , Findlay, N. J. , O'Brien, D. C. , Skabara, P. J. , Samuel, I. D. W. and Turnbull, G. A. (2016) BODIPY star-shaped molecules as solid state colour converters for visible light communications. Applied Physics Letters, volume 109 : 013302 and may be found at http://dx.doi.org/10.1063/1.4953789.

Keywords

  • Solid solutions
  • Phospors
  • Organic semiconductors
  • Light emitting diodes
  • Visible light

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    Vithanage, D. A., Manousiadis, P. P., Sajjad, M. T., Rajbhandari, S., Chun, H., Orifino, C., ... Turnbull, G. A. (2016). BODIPY star-shaped molecules as solid state colour converters for visible light communications. Applied Physics Letters, 109, [013302]. https://doi.org/10.1063/1.4953789