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بهبود عملکرد سلولهای خورشیدی حساسشده با رنگدانههای طبیعی: ساخت و بررسی نانوذرات اکسید روی به روش سل-ژل | ||
| فصلنامه علمی اپتوالکترونیک | ||
| مقاله 3، دوره 7، شماره 4 - شماره پیاپی 21، تیر 1404، صفحه 27-38 اصل مقاله (699.61 K) | ||
| نوع مقاله: پژوهشی | ||
| شناسه دیجیتال (DOI): 10.30473/jphys.2025.73662.1235 | ||
| نویسندگان | ||
| وحدت رفیعی* 1؛ علیرضا رازقی زاده2؛ پریسا فرهادی بیرگانی3 | ||
| 1استادیار، گروه فیزیک، دانشکده علوم پایه، تهران، ایران | ||
| 2دانشیار، گروه فیزیک، دانشکده علوم پایه، تهران، ایران | ||
| 3دانشجوی کارشناسی ارشد، گروه فیزیک، دانشکده علوم پایه، تهران، ایران | ||
| چکیده | ||
| این مطالعه تأثیر همزمان رنگدانههای طبیعی استخراجشده از پوست بادمجان و کلم بنفش، همراه با رنگدانه مصنوعی N719، بر راندمان سلولهای DSSC بررسی کرده است. نانوذرات اکسید روی به روش سل-ژل سنتز شده و بر روی فوتوآند لایهنشانی شدند. پنج سلول DSSC (DSSN1 تا DSSN5) با رنگهای مختلف حساسسازی شدند. ساختار نانوذرات ZnO با پراش اشعه ایکس (XRD) هگزاگونال و اندازه متوسط 32.30 نانومتر تأیید شد. تصاویر SEM تخلخل مناسب سطح آند را با اندازه نانوذرات 28.46 نانومتر نشان داد. طیفسنجی UV-Visible نشان داد که ترکیب سه رنگدانه بیشترین پهنای طیف جذبی و کمترین گاف انرژی (2.14 الکترونولت) را دارد. شبیهسازی PnuAhwaz-SOL نشان داد که DSSC5 با راندمان 1.46% بهترین عملکرد را دارد. ترکیب رنگدانههای طبیعی و مصنوعی باعث افزایش کارایی سلولها شد، به طوری که سلول حساسشده با دو رنگدانه طبیعی بازدهی 18 درصد بیشتر از سلول با رنگدانه مصنوعی داشت. همچنین، سلول با ترکیب سه رنگدانه نشاندهنده افزایش 100 درصدی بازده بود. این روش هزینه پایین و سازگاری زیستمحیطی دارد. | ||
| کلیدواژهها | ||
| رنگدانه پوست بادمجان؛ رنگدانه کلم بنفش؛ رنگدانه N719؛ DSSC؛ روش سل-ژل | ||
| عنوان مقاله [English] | ||
| Enhancing the Performance of Dye-Sensitized Solar Cells: Fabrication and Evaluation of Zinc Oxide Nanoparticles via the Sol-Gel Method | ||
| نویسندگان [English] | ||
| Vahdat Rafee1؛ Alireza Razeghizadeh2؛ Parisa Farhadi Birgani3 | ||
| 1Assistant Professor, Department of physics, Faculty of Science, Payame Noor University, Tehran, Iran | ||
| 2Associate Professor, Department of physics, Faculty of Science, Payame Noor University, Tehran, Iran | ||
| 3M.Sc, Department of physics, Faculty of Science, Payame Noor University, Tehran, Iran | ||
| چکیده [English] | ||
| This study explores the impact of natural pigments from eggplant peel and purple cabbage, combined with the synthetic pigment N719, on the power conversion efficiency of DSSC cells. Zinc oxide (ZnO) nanoparticles were synthesized using the Sol-Gel method and deposited onto the photoanode via the Doctor blade technique. Five DSSC samples were sensitized with different dyes: DSSN1 with eggplant peel, DSSN2 with red cabbage, DSSN3 with N719, DSSN4 with a 1:1 mixture of eggplant and cabbage dyes, and DSSN5 with an equal mixture of eggplant, cabbage, and N719 dyes. X-ray diffraction (XRD) confirmed the hexagonal structure of ZnO with an average crystallite size of 32.30 nm. Scanning electron microscopy (SEM) showed a porous anode surface with nanoparticles averaging 28.46 nm, allowing efficient penetration of the electrolyte and dye. UV-Visible spectroscopy revealed that the three-dye combination had the broadest absorption spectrum (400–700 nm) and the lowest energy band gap (2.14 eV). Photovoltaic testing using a PnuAhwaz-SOL simulator showed that DSSN5 achieved the highest efficiency of 1.46%. Combining natural and synthetic dyes enhanced DSSC efficiency significantly. The cell sensitized with two natural dyes showed an 18% higher efficiency than with a synthetic dye, and the three-dye combination increased efficiency by 100%. This approach also offers low production cost and eco-friendly benefits. | ||
| کلیدواژهها [English] | ||
| Eggplant peel Dye, Red cabbage dye, N719 Dye, DSSC, Sol-Gel method | ||
| مراجع | ||
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