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1 October 2023 Polymer-based chirped broadband reflectors for thermal management
Joseph Mushyakov, Victoria Quiros Cordero, Alex Balzer, Carlos Silva, Natalie Stingelin
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Proceedings Volume PC12660, Organic, Hybrid, and Perovskite Photovoltaics XXIV; PC126600H (2023) https://doi.org/10.1117/12.2679035
Event: SPIE Organic Photonics + Electronics, 2023, San Diego, California, United States
Abstract
We designed and fabricated highly reflective polymer-based chirped mirrors for thermal management using a titanium oxide hydrate/poly(vinyl alcohol) hybrid as the high-refractive-index material and a commodity polymer as the low-refractive-index material. Typically, chirped reflectors are fabricated using inorganic dielectrics incompatible with large-area and flexible applications. All-organic alternatives suffer from a small refractive index contrast between layers, limiting reflectivity. By employing this inorganic/organic hybrid material with a tunable refractive index (1.5-2.1), we accomplish a large enough refractive index contrast with commodity polymers and contribute towards making these photonic structures more readily accessible for heat management purposes.
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Joseph Mushyakov, Victoria Quiros Cordero, Alex Balzer, Carlos Silva, and Natalie Stingelin "Polymer-based chirped broadband reflectors for thermal management", Proc. SPIE PC12660, Organic, Hybrid, and Perovskite Photovoltaics XXIV, PC126600H (1 October 2023); https://doi.org/10.1117/12.2679035
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KEYWORDS
Reflectors
Polymers
Refractive index
Visible radiation
Windows
Organic materials
Oxides
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