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Sensors 2013, 13(9), 12266-12276; doi:10.3390/s130912266

Visible Light Communication System Using an Organic Bulk Heterojunction Photodetector

Electronic Technology Department, University Rey Juan Carlos, Calle Tulipán s/n, Móstoles 28933, Madrid, Spain
Electronic Technology Department, University Carlos III de Madrid, Avda. de la Universidad, 30, Leganés 28911, Madrid, Spain
Author to whom correspondence should be addressed.
Received: 1 July 2013 / Revised: 3 September 2013 / Accepted: 9 September 2013 / Published: 12 September 2013
(This article belongs to the Special Issue Photodetectors)
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A visible light communication (VLC) system using an organic bulk heterojunction photodetector (OPD) is presented. The system has been successfully proven indoors with an audio signal. The emitter consists of three commercial high-power white LEDs connected in parallel. The receiver is based on an organic photodetector having as active layer a blend of poly(3-hexylthiophene) (P3HT) and phenyl C61-butyric acid methyl ester (PCBM). The OPD is opto-electrically characterized, showing a responsivity of 0.18 A/W and a modulation response of 790 kHz at −6 V.
Keywords: organic photodetector; bulk-heterojunction; visible light communication organic photodetector; bulk-heterojunction; visible light communication
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Arredondo, B.; Romero, B.; Pena, J.M.S.; Fernández-Pacheco, A.; Alonso, E.; Vergaz, R.; de Dios, C. Visible Light Communication System Using an Organic Bulk Heterojunction Photodetector. Sensors 2013, 13, 12266-12276.

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