ارتقاء عملکرد سلول خورشیدی مبتنی بر کادمیوم تلوراید با استفاده از ترکیبات ZnCdS/NiO و ZnO برای لایه های ETL/HTL و TCO

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه فیزیک- واحد تاکستان، دانشگاه آزاد اسلامی، تاکستان، ایران

2 آزمایشگاه تحقیقاتی نانو- واحد لاهیجان، دانشگاه آزاد اسلامی، لاهیجان، ایران

چکیده

سلول خورشیدی کادمیوم تلوراید (CdTe) به دلیل کارایی بالا، هزینه کم و پایداری بالا شناخته شده است. در این مقاله، شبیه‌سازی سلول خورشیدی مبتنی بر کادمیوم تلوراید (ZnO/ZnCdS/CdTe/NiO/Al) ارائه شده است. لایه­های ZnCdS،NiO  و ZnO به­ترتیب به­ عنوان لایه­های ترابردکننده الکترون/حفره (ETL/HTL) و اکسید رسانای شفاف (TCO) استفاده شده­اند. برای ارزیابی عملکرد سلول خورشیدی چند پیوندی کادمیوم تلوراید از نرم­افزار شبیه­سازی SCAPS-1D استفاده شد. این نرم­افزار قادر به تجزیه و تحلیل کارایی با پارامترهای مختلف سلول خورشیدی کادمیوم تلوراید است. تأثیر ضخامت لایه­ها، چگالی حامل­ها، چگالی نقایص و چگالی نقایص پیوندگاه ZnCdS/CdTe بر عملکرد سلول خورشیدی نیز بررسی شد. سلول خورشیدی بهینه­سازی شده با ولتاژ مدار باز(VOC)  095/1 ولت، چگالی جریان اتصال کوتاه (JSC) 22/27 میلی-آمپر بر سانتی­متر مربع و ضریب پری (FF) 14/88 درصد و بیشینه بازده تبدیل انرژی (PCE)  3/26 درصد را نشان داد که امیدواری بسیار بالایی را در استحصال انرژی خورشیدی نشان می‌دهد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Improving the performance of cadmium telluride-based solar cells using ZnCdS / NiO and ZnO compounds for ETL / HTL and TCO layers

نویسندگان [English]

  • Ebrahim Amoupour 1
  • Javad Hasanzadeh 1
  • Ali Abdolahzadeh Ziabari 2
  • Peyman Azimi 1
1 Department of Physics, Takestan Branch, Islamic Azad University, Takestan, Iran
2 Nano Research Lab, Lahijan Branch, Islamic Azad University, Lahijan, Iran
چکیده [English]

Cadmium telluride (CdTe) solar cell is known for its high efficiency, low cost and high stability. In this paper, simulation of CdTe based solar cell (ZnO/ZnCdS/CdTe/NiO/Al) has been presented. ZnCdS, NiO and ZnO layers have been used as electron/hole transport layer (ETL/HTL) and transparent conductive oxide (TCO) layer, respectively. SCAPS-1D simulation software was used to evaluate the performance of the modelled multijunction CdTe solar cell. This software is capable of analyzing the efficiency with different parameters of cadmium telluride solar cell. The impact of thickness, carrier concentration, defect density of the CdTe, and ZnCdS/ CdTe interface defect density on the solar cell performance was also investigated. The optimized solar cell demonstrated a maximum power conversion efficiency (PCE) of 26.3 % with open circuit voltage (VOC) of 1.095 V, short circuit current density (JSC) of 27.22 mA/cm2 and FF of 88.14 % that shows huge promise in low-cost solar energy harvesting.

کلیدواژه‌ها [English]

  • solar cell
  • HTL
  • ETL
  • TCO
  • SCAPS-1D
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