تاثیر نقره بر بهبود عملکرد فوتوآند TiO2-WO3درسلول خورشیدی حساس‌شده به مواد رنگزا

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه مهندسی شیمی، دانشکده فنی، دانشگاه گیلان، رشت، ایران، صندوق پستی: 14965-115

2 گروه انرژی، پژوهشگاه پلیمر و پتروشیمی ایران، تهران، ایران، صندوق پستی: 14975-112

10.30509/jcst.2025.167479.1252

چکیده

سلول‌های خورشیدی حساس‌شده به مواد رنگزا (DSSC) به‌دلیل پدیده نوترکیبی الکترون‌ها در محل اتصال اکسید رسانا و الکترولیت، با محدودیت‌هایی در دستیابی به بازده بالا مواجه هستند. در این پژوهش، برای افزایش بازده DSSC از دو‌پ‌کردن نانوذرات TiO2 با نانوساختارهای WO3 و نقره استفاده شده است. نتایج نشان داد که استفاده از این ترکیب در ساخت فوتوآند موجب کاهش پدیده نوترکیبی الکترون‌ها و بهبود بازده تبدیل توان سلول خورشیدی می‌شود. تحلیل ریخت‌شناسی نانوذرات سنتزشده با استفاده از میکروسکوپ الکترونی روبشی (SEM) و طیف‌سنجی فروسرخ تبدیل فوریه (FTIR) انجام گرفت. یافته‌های این مطالعه نشان دادند که فوتوآند مبتنی بر نانوساختار سه‌گانه Ag-TiO2-WO3 عملکرد بهتری در مقایسه با فوتوآندهای ساخته‌شده از TiO2، WO₃ و TiO2-WO₃ خالص دارد. به‌طور مشخص، سلول دارای فوتوآند Ag-TiO2-WO3 به چگالی جریان اتصال کوتاه (Jsc) معادل mA/cm2 13.63 و بازده تبدیل توان برابر 6.87 درصد دست یافت. در مقابل، سلول‌های ساخته‌شده با فوتوآندهای TiO2، WO3، و TiO2-WO3 خالص به ترتیب بازده‌هایی برابر با 3.171، 0.93 و 5.631 درصد را نشان دادند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Effect of Silver on Enhancing the Performance of TiO2-WO3 Photoanode in Dye-Sensitized Solar Cells

نویسندگان [English]

  • Samira Fallahdoust Moghadam 1
  • Neda Gilani 1
  • Ali Akbar Yousefi 2
1 Department of Chemical Engineering, College of Engineering, University of Guilan, P.O. Box: 115-14965, Guilan, Iran
2 Energy Department, Iranian Polymer and Petrochemical Research Institute, P.O. Box: 112-14975, Tehran, Iran
چکیده [English]

Dye-sensitized solar cells (DSSCs) face limitations in achieving high efficiency due to the electron recombination phenomenon at the conductive oxide-electrolyte interface. In this study, to enhance the efficiency of DSSCs, TiO2 nanoparticles were doped with WO3 nanostructures and silver. The results revealed that utilizing this combination in the fabrication of the photoanode reduces electron recombination and improves the power conversion efficiency of the solar cells. Morphological analysis of the synthesized nanoparticles was carried out using scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FTIR). The findings of this study showed that the photoanode based on the Ag-TiO2-WO3 ternary nanostructure exhibited better performance compared to photoanodes made of pure TiO2, WO₃, and TiO2-WO3. Specifically, the cell with the Ag-TiO2-WO3 photoanode achieved a short-circuit current density (Jsc) of 13.63 mA/cm² and a power conversion efficiency of 6.87 %. In contrast, cells made with photoanodes of pure TiO2, WO₃, and TiO2-WO3 demonstrated power conversion efficiencies of 3.171, 0.93, and 5.631 %, respectively.

کلیدواژه‌ها [English]

  • Silver DSSC Nanostructure Doping TiO2
  • WO3

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