Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
DOI: https://doi.org/10.29363/nanoge.matsus.2024.091
Publication date: 18th December 2023
The very rapid growth of internet-connected devices brings two important challenges. The first is how will all these devices communicate? The second is how will they be powered? Optical communications can help, particularly in the form of “Li-Fi” which modulates indoor lighting to transmit information. It is important to supplement Wi-Fi because the radio frequency spectrum is now very crowded. Organic semiconductors have been shown to be useful as both transmitters and receivers for Li-Fi, and also for indoor power harvesting.
This talk will give an overview of Li-Fi using organic semiconductors and then focus on their use as receivers. In particular it will show how organic photovoltaics can be used to receive data and generate power simultaneously. By using an array of four detectors in a multiple input multiple -output (MIMO) setup data rates up to 363 megabits per second were achieved together with simultaneous harvesting of power. These results show that organic photovoltaics can be used for wireless data communication while prolonging the battery life of a mobile device.
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