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3 October 2022 In-situ VASE thermal characterization of optoelectronic materials
Reece L. Henry, Nrup Balar, Harald Ade
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Proceedings Volume PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII; PC122090F (2022) https://doi.org/10.1117/12.2633096
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States
Abstract
Electrical performance and morphological stability of organic solar cells have a strong dependence on the quenched state of the active layer, driven primarily by the thermal properties of the constituent organic semiconductors. The quenched state of an active layer is impacted by the utilized processing parameters. This makes understanding the thermal behavior of the materials in thin film geometry imperative, which is not possible using conventional DSC. We demonstrate that in situ VASE can characterize both polymorphism in high performance NF-SMAs and the impact of kinetic quenching on density and free volume in cast thin films. Both phenomena impact the performance and stability of the OSCs.
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Reece L. Henry, Nrup Balar, and Harald Ade "In-situ VASE thermal characterization of optoelectronic materials", Proc. SPIE PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII, PC122090F (3 October 2022); https://doi.org/10.1117/12.2633096
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KEYWORDS
Thin films
Optoelectronics
Molecules
Organic semiconductors
Polymers
Thin film devices
Dye sensitized solar cells
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