دانلود مقاله ISI انگلیسی شماره 54293
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اثر انعطاف پذیری آنزیم تیتانیوم اکسید روی بر پایداری سلول های خورشیدی پلیمری

عنوان انگلیسی
Effect of plasma treated Ag/indium tin oxide anode modification on stability of polymer solar cells
کد مقاله سال انتشار تعداد صفحات مقاله انگلیسی ترجمه فارسی
54293 2014 5 صفحه PDF سفارش دهید
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منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Solar Energy Materials and Solar Cells, Volume 128, September 2014, Pages 330–334

چکیده انگلیسی

The most commonly used hole transporting layer (HTL) in conventional polymer solar cells is poly(3,4-ethylenedioxythiophene)poly(styrenesulfonate) PEDOT:PSS. The acidic nature of this HTL is responsible for etching of the indium tin oxide (ITO) layer which is the anode in polymer solar cells and leads to degradation of efficiency in polymer solar cells in the long run. In this article we explored the effect of plasma treated Ag as an intermediate layer between ITO and PEDOT:PSS for over one month period. It was found that the devices with plasma treated Ag as an intermediate layer with thickness of 5 nm resulted in only 30% degradation over one month and did not decrease the initial power conversion efficiency (PCE) compared to the cell without the anode modification, whereas the devices without the intermediate layer, degraded up to 66% of the initial PCE. The mechanism was analyzed using XPS measurements and found out that indium from ITO etches out and diffuses to the subsequent polymer layer. Further, the experiment revealed that the presence of plasma treated Ag layer restricted the rapid indium diffusion, which accounted to enhanced device stability.

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