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TiO2/silane coupling agent composed of two layers structure: A super-hydrophilic self-cleaning coating applied in PV panels

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  • Zhong, Hong
  • Hu, Yan
  • Wang, Yuanhao
  • Yang, Hongxing

Abstract

To improve the properties of anti-dust for PV modules, the concept of self-cleaning has been proposed for many years. However, the traditional self-cleaning coating is unstable in nature environment, which limited its application in the PV panels. Therefore, this study aims to design a novel super-hydrophilic coating with high stability and corrosion resistance, which would be very advantageous to apply in the PV panels. The super-hydrophilic self-cleaning coating is composed of 3-triethoxysilylpropylamine (KH550) and TiO2. KH550 is a kind of surface modification agent, which creates more active groups on the surface of glasses. TiO2 is prepared by a hydrothermal reaction with titanium ethoxide, and the influence of pH is investigated as an important factor during the application in PV panels. The composition was measured by UV/VIS/NIR spectrophotometer, and the particle size distribution and the surface structure were characterized by Scanning Electron Microscope (SEM). The TiO2 nanocrystal was investigated by X-Ray Diffraction (XRD) and Transmission Electron Microscope (TEM). The water contact angle (WCA) was measured by contact angle instrument. It was found that the static water contact angle on the surface of super-hydrophobic coating was as lower than 5°, which show an excellent super-hydrophilic property. Abstract should state the principal results and conclusions briefly, and the significance of this study.

Suggested Citation

  • Zhong, Hong & Hu, Yan & Wang, Yuanhao & Yang, Hongxing, 2017. "TiO2/silane coupling agent composed of two layers structure: A super-hydrophilic self-cleaning coating applied in PV panels," Applied Energy, Elsevier, vol. 204(C), pages 932-938.
    • Handle: RePEc:eee:appene:v:204:y:2017:i:c:p:932-938
    DOI: 10.1016/j.apenergy.2017.04.057
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    1. Yongmei Zheng & Hao Bai & Zhongbing Huang & Xuelin Tian & Fu-Qiang Nie & Yong Zhao & Jin Zhai & Lei Jiang, 2010. "Directional water collection on wetted spider silk," Nature, Nature, vol. 463(7281), pages 640-643, February.
    2. Yan, Hu & Yuanhao, Wang & Hongxing, Yang, 2017. "TEOS/silane coupling agent composed double layers structure: A novel super-hydrophilic coating with controllable water contact angle value," Applied Energy, Elsevier, vol. 185(P2), pages 2209-2216.
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    Cited by:

    1. Ramez Abdallah & Adel Juaidi & Salameh Abdel-Fattah & Mahmoud Qadi & Montaser Shadid & Aiman Albatayneh & Hüseyin Çamur & Amos García-Cruz & Francisco Manzano-Agugliaro, 2022. "The Effects of Soiling and Frequency of Optimal Cleaning of PV Panels in Palestine," Energies, MDPI, vol. 15(12), pages 1-18, June.
    2. Emran Aljdaeh & Innocent Kamwa & Waleed Hammad & Mohammed I. Abuashour & Tha’er Sweidan & Haris M. Khalid & S. M. Muyeen, 2021. "Performance Enhancement of Self-Cleaning Hydrophobic Nanocoated Photovoltaic Panels in a Dusty Environment," Energies, MDPI, vol. 14(20), pages 1-18, October.
    3. Sadat, Seyyed Ali & Hoex, Bram & Pearce, Joshua M., 2022. "A Review of the Effects of Haze on Solar Photovoltaic Performance," Renewable and Sustainable Energy Reviews, Elsevier, vol. 167(C).
    4. Adak, Deepanjana & Bhattacharyya, Raghunath & Barshilia, Harish C., 2022. "A state-of-the-art review on the multifunctional self-cleaning nanostructured coatings for PV panels, CSP mirrors and related solar devices," Renewable and Sustainable Energy Reviews, Elsevier, vol. 159(C).
    5. Thi Thu Em Vo & Seung-Mo Je & Se-Hoon Jung & Jaehyeon Choi & Jun-Ho Huh & Han-Jong Ko, 2022. "Review of Photovoltaic Power and Aquaculture in Desert," Energies, MDPI, vol. 15(9), pages 1-18, April.
    6. Aritra Ghosh, 2020. "Soiling Losses: A Barrier for India’s Energy Security Dependency from Photovoltaic Power," Challenges, MDPI, vol. 11(1), pages 1-22, May.
    7. Gabriella-Stefánia Szabó & Róbert Szabó & Loránd Szabó, 2022. "A Review of the Mitigating Methods against the Energy Conversion Decrease in Solar Panels," Energies, MDPI, vol. 15(18), pages 1-21, September.
    8. Song, Zhe & Liu, Jia & Yang, Hongxing, 2021. "Air pollution and soiling implications for solar photovoltaic power generation: A comprehensive review," Applied Energy, Elsevier, vol. 298(C).

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    Keywords

    Super-hydrophilic; TiO2; Silane coupling agent; PV panels;
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