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A review of anti-reflection and self-cleaning coatings on photovoltaic panels

机译：光伏面板上的抗反射和自清洁涂层综述

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摘要

The production of electrical energy from solar energy through the photovoltaic method has become increasingly widespread throughout the world in the last 20 years. The photovoltaic energy system generates electricity depending on the amount of sunlight reaching the solar cell, and the amount of sunlight that reaches the solar cells in a solar panel decreases due to factors such as soil and organic dirt. At the same time, sunlight is refracted and reflected due to the reflective effect of the cover glass surface, even if the surface of the photovoltaic panel is clean. The remaining solar rays are broken and reach the solar cell. Decreasing sunlight also causes a decrease in electrical power output. Thus, to overcome these problems, photovoltaic solar cells and cover glass are coated with anti-reflective and self-cleaning coatings. As observed in this study, SiO2, MgF2, TiO2, Si3N4, and ZrO2 materials are widely used in anti-reflection coatings. Common methods used are sol-gel + spin-coating or + dipcoating, sputtering, DC or RF magnetron, and electrospun methods. Regarding self-cleaning applications, fabricating superhydrophobic surfaces stands out among other methods. In self-cleaning applications, Al2O3, TiO2, and Si3N4 are the most suitable materials; the double- and triple-layer coatings yield successful results in terms of surface adhesion and durability. In multi-layer anti-reflection coatings, the reflectance was reduced in studies in which materials with low and high reflection indexes were applied and light transmittance was increased.
机译：在过去的20年中，通过光伏方法从太阳能中产生电能的现象日益广泛。光伏能量系统根据到达太阳能电池的阳光量来发电，并且由于诸如土壤和有机污垢的因素，到达太阳能电池板中太阳能电池的阳光量会减少。同时，即使光伏面板的表面是干净的，由于盖玻片表面的反射作用，阳光也会折射和反射。其余的太阳光线被打破并到达太阳能电池。阳光的减少也会导致电力输出的减少。因此，为了克服这些问题，光伏太阳能电池和盖玻片涂覆有抗反射和自清洁涂层。正如在这项研究中观察到的，SiO2，MgF2，TiO2，Si3N4和ZrO2材料被广泛用于抗反射涂层。常用的方法是溶胶-凝胶+旋涂或+浸涂，溅射，DC或RF磁控管以及电纺法。关于自清洁应用，制造超疏水表面是其他方法中的佼佼者。在自清洁应用中，Al2O3，TiO2和Si3N4是最合适的材料。双层和三层涂料在表面附着力和耐久性方面均取得了成功的结果。在多层抗反射涂层中，应用低反射率和高反射率材料并增加透光率的研究降低了反射率。

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  • 来源
    《Solar Energy》 |2020年第3期|63-73|共11页
  • 作者

  • 作者单位

    Osmaniye Korkut Ata Univ Vocat Sch Dept Elect Kadirli Osmaniye Turkey;

    Marmara Univ Fac Technol Dept Elect Elect Engn Goztepe Kampusu Kadikdy TR-34722 Istanbul Turkey;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Photovoltaic; Solar cell; Cover glass; Anti-reflection; Self-cleaning;

    机译：光伏太阳能电池;盖玻璃;防反射;自清洁;

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