<p>This study addresses dust-induced efficiency degradation in solar photovoltaic panels by synthesizing high-performance superhydrophobic nanomaterial coatings. By optimizing a tetraethyl orthosilicate (TEOS) nanosilica sol with varying concentrations of hexadecyltrimethoxysilane (HDTMS) and polymethyl methacrylate (PMMA), we identified a superior formulation, coating C1 (1:2 ratio of TEOS to HDTMS). Quantitative analysis reveals that coating C1 achieves a remarkable water contact angle of 153°, maintaining high optical transparency and outstanding thermal stability up to 104&#xa0;°C. Systematic field testing demonstrates that C1-coated solar cells delivered an exceptional 15.62% increase in output efficiency compared to uncoated dusty solar cells. Furthermore, the coating demonstrated excellent environmental stability for over 50&#xa0;days under outdoor field conditions, with no significant performance loss. These results highlight C1 as a robust, scalable solution for mitigating soiling effects, providing a highly efficient solution for self-cleaning technologies in optoelectronic and solar industries.</p>

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Investigation of Self-Cleaning TEOS-Based Superhydrophobic Coatings for Photovoltaic Applications: Effect of HDTMS and PMMA Variation

  • Abhineet Samadhiya,
  • Pradeep Kumar Jhinge,
  • Kamal Kumar Kushwah

摘要

This study addresses dust-induced efficiency degradation in solar photovoltaic panels by synthesizing high-performance superhydrophobic nanomaterial coatings. By optimizing a tetraethyl orthosilicate (TEOS) nanosilica sol with varying concentrations of hexadecyltrimethoxysilane (HDTMS) and polymethyl methacrylate (PMMA), we identified a superior formulation, coating C1 (1:2 ratio of TEOS to HDTMS). Quantitative analysis reveals that coating C1 achieves a remarkable water contact angle of 153°, maintaining high optical transparency and outstanding thermal stability up to 104 °C. Systematic field testing demonstrates that C1-coated solar cells delivered an exceptional 15.62% increase in output efficiency compared to uncoated dusty solar cells. Furthermore, the coating demonstrated excellent environmental stability for over 50 days under outdoor field conditions, with no significant performance loss. These results highlight C1 as a robust, scalable solution for mitigating soiling effects, providing a highly efficient solution for self-cleaning technologies in optoelectronic and solar industries.