دوره 11، شماره 2 - ( 5-1396 )                   جلد 11 شماره 2 صفحات 79-86 | برگشت به فهرست نسخه ها


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Jalali M, Nadgaran H, Erni D. Design of Silicon Nano-Bars Anti-Reflection Coating to Enhance Thin Film Solar Cells Efficiency. IJOP. 2017; 11 (2) :79-86
URL: http://ijop.ir/article-1-269-fa.html
Design of Silicon Nano-Bars Anti-Reflection Coating to Enhance Thin Film Solar Cells Efficiency. نشریه انجمن اپتیک و فوتونیک ایران. 1396; 11 (2) :79-86

URL: http://ijop.ir/article-1-269-fa.html


چکیده:   (1152 مشاهده)

In this paper a novel anti-reflection (AR) coating based on silicon nano-bars is designed and its impact on the performance of crystalline silicon (c-Si) thin-film solar cells is extensively studied. Silicon nano-bars with optimized size and period are embedded on top of the active layer, under a 100nm Si3N4 layer. As a result of the proposed layer stack, an inhomogeneous intermediate layer with effective refractive index amid the two layers is formed and a graded refractive index AR coating is achieved, which has a substantial effect on broad, omnidirectional reduction of the reflection spectra. To validate our claim, the proposed structure as well as four conventional AR coatings are simulated and through the numerical analysis of both the spectral response of the reflection factor and the silicon active layer absorption spectra, it is shown that the proposed design outperforms conventional already existing AR coatings, and in addition provides a strong coupling of the incident light to the active layer, while improving the overall efficiency of the thin-film solar cell.

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نوع مطالعه: كاربردي | موضوع مقاله: عمومى
دریافت: ۱۳۹۵/۲/۱۸ | ویرایش نهایی: ۱۳۹۵/۷/۵ | پذیرش: ۱۳۹۵/۸/۱۳ | انتشار: ۱۳۹۶/۵/۱۷

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