Organic semiconductors for visible light communications

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Abstract

Organic semiconductors are an important class of optoelectronic material that are widely studied because of the scope for tuning their properties by tuning their chemical structure, and simple fabrication to make flexible films and devices. Although most effort has focussed on developing displays and lighting from these materials, their distinctive properties also make them of interest for visible light communications (VLC). This article explains how their properties makes them suitable for VLC and reviews the main uses that have been explored. On the transmitter side, record white VLC communication has been achieved by using organic semiconductors as colour converters, whilst direct modulation of organic light-emitting diodes is also possible and could be of interest for display to display communication. On the receiver side, organic solar cells can be used to harvest power and data simultaneously, and fluorescent antennas enable fast and sensitive receivers with large field of view.
Original languageEnglish
Article number20190186
JournalPhilosophical Transactions of the Royal Society. A, Mathematical, Physical and Engineering Sciences
Volume378
Issue number2169
Early online date2 Mar 2020
DOIs
Publication statusPublished - Apr 2020

Keywords

  • Li-Fi
  • Colour converters
  • OLED
  • OPV
  • Fluorescent antennas

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