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5 October 2023 Ultraviolet spectrum downshifting in polymer nanocomposite films for the enhancement of optoelectronic devices
Abdalla M. Darwish, Sergey S. Sarkisov, Darayas N. Patel, Alex Fedoseev, David Rossmanith, Brandon Grayol, Anja Hirbljan, Brent Koplitz, Remah El Rashedy
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Proceedings Volume 12682, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVII; 1268203 (2023) https://doi.org/10.1117/12.2675708
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
We report on polymer nanocomposite films with Ultraviolet (UV) spectrum down-shifting that can be transferred using the open-air Multi-Beam Multi-Target Pulsed Laser Deposition (MBMT-PLD) on opto-electronic devices, such as Photo-Voltaic (PV) cells, for the enhancement of their performance. The nanocomposites were made of the space-grade polymer CORIN impregnated with Nanoparticles (NPs) of Rare-Earth (RE) doped compound NaYF4: Eu3+. NPs had a peak of down-shifted photoluminescence (PL) at 623 nm and a PL quantum yield (PLQE) of approximately 50%. The enhancement of the coated PV cells was two-fold: (a) protection from harmful solar UV radiation and (b) the increase of the PV conversion efficiency. We describe the results of characterization of the NPs using dynamic light scattering, x-ray diffraction, and optical spectroscopy. The nanocomposite films were deposited on Silicon Heterojunction (SHJ), Copper-Indium-Gallium-Selenide (CIGS) and Inverted Metamorphic Multijunction (IMM) solar cells. The cells were exposed to 365-nm UV radiation from a light emitting diode (LED). The I-V characteristics of the cells were measured with a solar simulator using AM0 filter. The proposed films improved UV stability of all three cell types: the power degradation significantly slowed down, CIGSs (by half). The proposed films have great commercial potential, especially for the applications to space power.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Abdalla M. Darwish, Sergey S. Sarkisov, Darayas N. Patel, Alex Fedoseev, David Rossmanith, Brandon Grayol, Anja Hirbljan, Brent Koplitz, and Remah El Rashedy "Ultraviolet spectrum downshifting in polymer nanocomposite films for the enhancement of optoelectronic devices", Proc. SPIE 12682, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XVII, 1268203 (5 October 2023); https://doi.org/10.1117/12.2675708
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KEYWORDS
Ultraviolet radiation
Solar cells
Europium
Polymers
Nanocomposites
Visible radiation
Solar radiation
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