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Triple-cation perovskite solar cells for visible light communications

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Mica_2020_Triple_cation_perovskite_PRJ_8_8_A16_CC.pdf (1.592Mb)
Date
01/08/2020
Author
Mica, Natalie
Bian, Rui
Manousiadis, Pavlos
Krishnan Jagadamma, Lethy
Tavakklolnia, Imam
Haas, Harald
Turnbull, Graham
Samuel, Ifor David William
Funder
EPSRC
European Commission
Grant ID
ep/l017008/1
745776
Keywords
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
DAS
SDG 7 - Affordable and Clean Energy
Metadata
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Abstract
Hybrid perovskite materials are widely researched due to their high absorptivity, inexpensive synthesis, and promise in photovoltaic devices. These materials are also of interest as highly sensitive photodetectors. In this study, their potential for use in visible light communication is explored in a configuration that allows for simultaneous energy and data harvesting. Using a triple-cation material and appropriate device design, a new record data rate for perovskite photodetectors of 56 Mbps and power conversion efficiencies above 20% under white LED illumination are achieved. With this device design, the −3  dB bandwidth is increased by minimizing the dominating time constant of the system. This correlation between the bandwidth and time constant is proved using measurements of time-resolved photoluminescence, transient photovoltage, and device resistance.
Citation
Mica , N , Bian , R , Manousiadis , P , Krishnan Jagadamma , L , Tavakklolnia , I , Haas , H , Turnbull , G & Samuel , I D W 2020 , ' Triple-cation perovskite solar cells for visible light communications ' , Photonics Research , vol. 8 , no. 8 , pp. A16-A24 . https://doi.org/10.1364/PRJ.393647
Publication
Photonics Research
Status
Peer reviewed
DOI
https://doi.org/10.1364/PRJ.393647
ISSN
2327-9125
Type
Journal article
Rights
Copyright © 2020 the Author(s). Published by Chinese Laser Press under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.https://doi.org/10.1364/PRJ.393647
Description
Funding: UK EPSRC under grant codes EP/L015110/1 and EP/L017008/1. Dr. L. K. Jagadamma acknowledges support from a Marie Skłodowska-Curie Individual Fellowship (European Commission) (MCIF: No. 745776). Harald Haas acknowledges financial support from the Wolfson Foundation and Royal Society. He also acknowledges financial support by the Engineering and Physical Sciences Research Council (EPSRC) under an Established Career Fellowship grant EP/R007101/1.
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/20322

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