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Volume 25 - ICOP & ICPET 2019                   ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 537-540 | Back to browse issues page

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Sani A, Behjat A, Nematollahi M, Torabi N. Charge transfer engineering of layers for stability of perovskite solar cells with planar structure. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :537-540
URL: http://opsi.ir/article-1-1882-en.html
1- Atomic and Molecular Group, Faculty of Physics, Yazd University, Yazd
Abstract:   (1444 Views)
In this work, stability of perovskite solar cell with interface engineering of charge transport layers was investigated. Experiments demonstrates PEDOT:PSS hydrophilic underlayer leads to absorb moisture of air in the cell due to low contact angle (14°) causing the degradation decomposition of perovskite films. To solve this problem, we employ a classical organic small molecule C60 as the underlayer of perovskite films to achieve 11.1% of power conversion efficiency with remarkable moisture tolerance exposed to the atmosphere. With fabrication and characterization of solar cells with FTO/C60/perovskite/Au structure which is used 0.13M of C60 solution. the analyzing demonstrated fullerene hydrophobic underlayer not only drives the crystalline grain growth of high quality perovskite, but also contributes to the moisture tolerance of PSCs so C60 based devices maintained 70% of its efficiency over 1440 hour in air condition.
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Type of Study: Research | Subject: Special

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