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Ultrahigh transparent safety film for spectrally selective photo/electrothermal conversion via surface-enhanced plasma resonance dynamics
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Type
Article
Citation
Cui, T., Ang, E. H., Zheng, Y., Cai, W., Wang, J., Hu, Y., & Zhu, J. (2024). Ultrahigh transparent safety film for spectrally selective photo/electrothermal conversion via surface-enhanced plasma resonance dynamics. Nano Letters. Advance online publication. https://doi.org/10.1021/acs.nanolett.4c03139
Author
Cui, Tianyang
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Zheng, Yapeng
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Cai, Wei
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Wang, Jingwen
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Hu, Yuan
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Zhu, Jixin
Abstract
Traditional deicing methods are increasingly insufficient for modern technologies like 5G infrastructure, photovoltaic systems, nearspace aerocraft, and terrestrial observatories. To address the challenge of combining anti-icing efficiency with operational performance, an innovative, spectrally selective, photo/electrothermic, ice-phobic film was prepared through a cost-effective mist deposition method. By manipulating the diameter ratio and density of nanowires, the local density of free electrons within this film is controlled to precisely dictate the position and intensity of surface plasmon resonance to achieve spectrally selective photo/electrothermal conversion. Additionally, the synthesized hydrophobic N-Boroxine-PDMS/SiO2 layer improves thermal stability and accelerates the deicing process. It achieves rapid deicing within 86 s under photothermal conditions and 65 s with Joule heating while maintaining high optical transmittance. The film improves the operational efficiency and thermal safety of equipment while preserving aesthetics and stability, thereby underscoring its broad suitability for advanced outdoor installations in cold environments.
Publisher
American Chemical Society
Journal
Nano Letters
DOI
10.1021/acs.nanolett.4c03139