Visible Light Communication system using an organic emitter and a perovskite photodetector
The past few years have seen a great increase in the development of Visible Light Communication systems (VLC), mainly triggered by the wide variety of situations they can be used in. These communication systems have traditionally employed inorganic light emitters and photodetectors. In this work, we present a VLC system using an organic emitter and a perovskite photodetector, both fabricated using low cost processing techniques. Perovskite devices have been widely studied as photovoltaics cells since they have achieved great efficiencies, and, in the recent years, there is also an intense research of these devices as photodetectors. In this work, we have fabricated and characterized a perovskite photodetector with layer structure ITO/PTAA/Perovskite/PCBM/ BCP/Cu, and integrated it in a visible communication system to successfully link an audio signal.
This work has been supported by Comunidad de Madrid under the SINFOTON2-CM Research Program (S2018/NMT-4326-SINFOTON2-CM), and the Spanish Ministry of Economy, the Agencia Estatal de Investigación and European Union's FEDER under the TEC2016-77242-C3-(1-R and 3-R) AEI/FEDER, UE Projects. The work of E. López-Fraguas was supported by the Ministerio de Educación y Formación Profesional for his Doctoral Grant through FPU Research Fellowship under Grant FPU17/00612. The work of M.N. and Y.G. was supported by Solliance, a partnership of R&D organizations from the Netherlands, Belgium, and Germany working in thin film photovoltaic solar energy. Authors wish to thank Iván García and Ignacio Rey-Stolle from the Polytechnic University of Madrid and Cristina de Dios and Angel R. Criado from LuzWavelabs for their valuable help in the EQE and bandwidth measurements, respectively.
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