الکترود مقابل پلیمری در سلول های خورشیدی حساس شده به رنگینه

نوع مقاله : تالیفی

نویسنده

عضو هیات علمی پژوهشگاه رنگ

چکیده

سلول‌های خورشیدی حساس‌شده به رنگینه، به‌دلیل قیمت مناسب و عدم آلایندگی محیط زیست، برای تولید انرژی پاک مورد توجه هستند. در سلول خورشیدی کلاسیک از پلاتین به‌عنوان الکترود مقابل استفاده می‌شود، اما به‌دلیل هزینه زیاد و قابلیت خوردگی پلاتین، توسعه و تولید انبوه سلول خورشیدی حساس‌شده به رنگینه با چالش روبه‌رو شده است. برای حل این مشکل، پلیمرها می‌توانند به‌دلیل قیمت مناسب، سادگی سنتز و آسانی اعمال، به‌عنوان ماده جایگزین پلاتین درنظر گرفته شوند. پلیمرهای رسانای مناسب برای استفاده در الکترود مقابل عبارت از پلی‌پیرول (PPy)، پلی‌آنیلین (PANI)، پلی(4،3-پروپیلن‌دی‌اکسی‌تیوفن) (PProDOT)، پلی(4،3-اتیلن‌دی‌اکسی‌تیوفن) (PEDOT) و کوپلیمر پلی(4،3-اتیلن‌دی‌اکسی‌تیوفن)-پلی‌استیرن سولفونات (PEDOT-PSS) هستند. PEDOT با توجه به رسانندگی الکتریکی زیاد، پایداری و ساختار نانومتخلخل آن برای استفاده در سلول خورشیدی در نقش الکترود مقابل، بسیار مناسب است. عملکرد الکترود مقابل پلیمری در سلول خورشیدی تحت تاثیر عوامل متعدد مانند فعالیت کاتالیزی، رسانندگی الکتریکی، تطابق، سطح موثر، پایداری شیمیایی، شکل‌شناسی سطح، ضخامت، تخلخل، چسبندگی، اندازه ذره و ساختار بلوری است. هدف از این مقاله، معرفی و تشریح انواع پلیمرهای مناسب برای کاربرد در الکترود مقابل سلول‌های خورشیدی و عوامل موثر بر عملکرد این الکترودهاست. در انتها، مختصری درباره عملکرد و چشم‌انداز الکترودهای مقابل پلیمری در ساختار سلول خورشیدی بحث می‌شود.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Polymer Counter Electrode in Dye-sensitized Solar Cells

نویسنده [English]

  • Mozhgan Hosseinnezhad
Academic Staff
چکیده [English]

Dye-sensitized solar cells (DSSCs) have attracted interest as clean electrical energy
due to their low cost and environmentally friendly. In classical dye-sensitized
solar cells, platinum metal is applied as a counter electrode, but due to its high cost and
platinum susceptibility towards corrosion, the development and large-scale production
of dye-sensitized solar cells have been disputed. To resolve this problem, polymers can
be taken as a replacement for platinum due to their affordability, synthetic simplicity
and easy usage. The conjugated polymers suitable for use in the counter electrode are:
polypyrrole (PPy), polyaniline (PANI), poly(3,4-propylenedioxythiophene) (PProDOT),
poly(3,4-ethylenedioxythiophene) (PEDOT) and poly(3,4-ethylenedioxythiophene)-
polystyreneslufonate(PEDOT-PSS) copolymer. By referring to its high electrical
conductivity, stability and nanoporous structure, PEDOT, is very suitable for use in solar
cells as the counter electrode. The performance of the polymer counter electrode in a
dye-sensitized solar cells are determined by various factors: catalytic activity, electronic
conductivity, surface area, matching, electrochemical stability, surface morphology, surface
roughness, thickness, porosity, adhesion, particle size, and crystal structure. The purpose of
this article is to introduce and delineate the kind of polymer to employ as counter electrode
in dye-sensitized solar cells and the parameters affecting the performance of polymer
counter electrode. Finally, some brief accounts on the performances and outlook for the
polymer counter electrode are presented.

کلیدواژه‌ها [English]

  • dye-sensitized solar cell
  • polymer counter electrode
  • PEDOT
  • Stability
  • efficiency

مراجع

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