Polymer-based chirped broadband reflectors for thermal management

Joseph Mushyakov; Victoria Quiros Cordero; Alex Balzer; Carlos Silva; Natalie Stingelin

doi:10.1117/12.2679035

1 October 2023 Polymer-based chirped broadband reflectors for thermal management

Joseph Mushyakov, Victoria Quiros Cordero, Alex Balzer, Carlos Silva, Natalie Stingelin

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.

Conference Presentation

Citation Download Citation

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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