Is hydrophobic coating on glass equally efficient in reducing % soiling loss of solar PVs in clean and polluted environments?

Ratnaparkhi, Aniket; Dave, Drashti; Meena, Rohit; Rastogi, Neeraj; Bergin, Mike; Ghoroi, Chinmay

doi:10.1016/j.solener.2023.112120

Solar Energy

2023

DOI: 10.1016/j.solener.2023.112120

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Is hydrophobic coating on glass equally efficient in reducing % soiling loss of solar PVs in clean and polluted environments?

Aniket Ratnaparkhi,

Drashti Dave,

Rohit Meena

et al.

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2024

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UV-durable self-cleaning coatings for autonomous driving

Lu,

Zhao,

Hellerman

2024

Sci Rep

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A key technology to ensure the safety and accuracy of autonomous driving for future transportation is the cleanliness of the sensor surfaces for accurate signal reading. This study focuses on hydrophobic coatings with self-cleaning performances and UV durability, their possible degradation mechanism of static water contact angle (sWCA), and the effect of the hydrophobic surface on camera image quality. The UV-durable hydrophobic coatings are applied by a spray process followed by a thermal curing. The UV-durable hydrophobic coatings are evaluated on a vision camera under lab-simulated weathering conditions such as rain, mud, fog, and bugs, on samples as-prepared and after various hours of Weather-Ometer® weathering. The results indicate that the sWCA degradation of the UV-durable hydrophobic coatings during accelerated weathering is corresponding to the loss of fluorine (F) atomic percentage in the coatings, and the vision camera imaging quality improves significantly with the UV-durable hydrophobic coatings in comparison to an uncoated surface. The self-cleaning performances of the UV-durable hydrophobic coatings, as measured by two metrics using signal-to-noise ratio and modulation transfer function 50 loss (MTF50loss), linearly correlate with sWCA of the coatings. The UV-durable hydrophobic coatings on the sensor surface will significantly benefit autonomous driving specifically for accurate signal reading under inclement weather.

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UV-durable self-cleaning coatings for autonomous driving

Lu,

Zhao,

Hellerman

2024

Sci Rep

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Is hydrophobic coating on glass equally efficient in reducing % soiling loss of solar PVs in clean and polluted environments?

Cited by 1 publication

References 41 publications

UV-durable self-cleaning coatings for autonomous driving

UV-durable self-cleaning coatings for autonomous driving

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