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All-Silicone-based Distributed Bragg Reflectors for Efficient Flexible Luminescent Solar Concentrators

Portnoi, M; Macdonald, TJ; Sol, C; Robbins, TS; Li, T; Schläfer, J; Guldin, S; ... Papakonstantinou, I; + view all (2020) All-Silicone-based Distributed Bragg Reflectors for Efficient Flexible Luminescent Solar Concentrators. Nano Energy , 70 , Article 104507. 10.1016/j.nanoen.2020.104507. (In press). Green open access

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Abstract

Luminescent Solar Concentrators (LSCs) have drawn huge interest recently as a technology to pave the way towards the seamless integration of photovoltaics to a range of high-value industries; from architecture and sports to leisure and consumer electronics. Additional device flexibility comes with the inherent ability to attain freeform shapes, expanding the possible fabrication methods, applications and retro-fitting techniques. Unfor- tunately, flexible LSCs suffer from curvature induced losses which can severely reduce their efficiency, inhibiting the potential of large-scale devices. In this work, we experimentally demonstrate an all-silicone based flexible LSC and Distributed Bragg Reflector (DBR) combination diminishing curvature induced losses. The DBRs, fabricated using scalable solution-based processes, exhibit optical properties precisely engineered to partner our LSCs, as well as high uniformity, resistance to temperature and curvature. Comprehensive modelling shows that for large-scale devices (1 m2) we can essentially decouple the performance of the LSC from curvature, steering the technology towards commercial viability. 1.

Type: Article
Title: All-Silicone-based Distributed Bragg Reflectors for Efficient Flexible Luminescent Solar Concentrators
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.nanoen.2020.104507
Publisher version: https://doi.org/10.1016/j.nanoen.2020.104507
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Luminescent Solar Concentrators, Solar energy, Distributed Bragg reflectors, Flexible Devices
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10090949
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