دوره 8، شماره 1 - ( 10-1392 )                   جلد 8 شماره 1 صفحات 3-11 | برگشت به فهرست نسخه ها

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Behjat A, Torabi N, Dossthosseini F. Improvement of light harvesting by inserting an optical spacer (ZnO) in polymer bulk heterojunction solar cells: A theoretical and experimental study. IJOP. 2014; 8 (1) :3-11
URL: http://ijop.ir/article-1-170-fa.html
Improvement of light harvesting by inserting an optical spacer (ZnO) in polymer bulk heterojunction solar cells: A theoretical and experimental study. نشریه انجمن اپتیک و فوتونیک ایران. 1392; 8 (1) :3-11

URL: http://ijop.ir/article-1-170-fa.html


چکیده:   (2887 مشاهده)
By introducing a thin ZnO layer as an optical spacer, we have demonstrated that inserting this layer between an active layer and a reflective electrode results in a re-distribution of the optical electric field inside bulk heterojunction solar cells. A theoretical analysis by optical modeling showed that the thin ZnO layer could shift the position of the maximum of the electric field into the absorbing layer. Theoretical calculations were compared with experimental results for devices with and without an optical spacer. By using a ZnO optical spacer layer, a significant increase was observed in the short circuit current density of J-V curves. This increase might be due to harvesting more lights and also hole-blocking by the ZnO layer. Both electrical and optical characteristics of the device provided improved results in the power conversion efficiency of the bulk heterojunction solar cell up to 3.49%.
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نوع مطالعه: پژوهشي | موضوع مقاله: تخصصي
دریافت: ۱۳۹۳/۳/۱۱ | ویرایش نهایی: ۱۳۹۳/۱۲/۵ | پذیرش: ۱۳۹۳/۶/۱۶ | انتشار: ۱۳۹۳/۸/۲

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