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. 2024 May;36(20):e2209950.
doi: 10.1002/adma.202209950. Epub 2023 May 17.

Direct Integration of Perovskite Solar Cells with Carbon Fiber Substrates

Onkar S Game  1 , Timothy Thornber  1 , Fernando Cepero-Mejías  2 , Luis C Infante-Ortega  3 , Mustafa Togay  3 , Elena J Cassella  1 , Rachel C Kilbride  1 , Robert H Gordon  1 , Nic Mullin  1 , Rachael C Greenhalgh  3 , Patrick J M Isherwood  3 , J Michael Walls  3 , J Patrick A Fairclough  2 , David G Lidzey  1
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Free article

Direct Integration of Perovskite Solar Cells with Carbon Fiber Substrates

Onkar S Game et al. Adv Mater. 2024 May.
Free article

Abstract

Integrating photovoltaic devices onto the surface of carbon-fiber-reinforced polymer substrates should create materials with high mechanical strength that are also able to generate electrical power. Such devices are anticipated to find ready applications as structural, energy-harvesting systems in both the automotive and aeronautical sectors. Here, the fabrication of triple-cation perovskite n-i-p solar cells onto the surface of planarized carbon-fiber-reinforced polymer substrates is demonstrated, with devices utilizing a transparent top ITO contact. These devices also contain a "wrinkled" SiO2 interlayer placed between the device and substrate that alleviates thermally induced cracking of the bottom ITO layer. Devices are found to have a maximum stabilized power conversion efficiency of 14.5% and a specific power (power per weight) of 21.4 W g-1 (without encapsulation), making them highly suitable for mobile power applications.

Keywords: carbon‐fiber‐reinforced polymers; integrated photovoltaics; perovskite solar cells; specific power; structural photovoltaics.

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