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interfacial-modifiers
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Polyvinylcarbazole as an efficient interfacial modifier for low-cost perovskite solar cells with CuInS2/Carbon hole-collecting electrode
, Article Solar RRL ; Volume 5, Issue 7 , 2021 ; 2367198X (ISSN) ; Behrouznejad, F ; Forouzandeh, M ; Khosroshahi, R ; Darbari, S ; Zhan, Y ; Taghavinia, N ; Sharif University of Technology
John Wiley and Sons Inc
2021
Abstract
Different polymers have been already introduced for passivating the interfacial defects at the interface of perovskite and the organic hole transport material, meanwhile as an environmental barrier in perovskite solar cells (PSCs). Herein, polyvinylcarbazole (PVK) compared to polymethylmethacrylate (PMMA) at the interface of the perovskite (Cs0.05(MA0.83FA0.17)0.95Pb(Br0.17I0.83)3) layer and CuInS2/carbon as a low-cost inorganic hole-collecting electrode are investigated. By suppressing interfacial recombination using PMMA and PVK, saturation current density (in dark current) decreases one order of magnitude from 7.9 × 10−10 to 4.0 × 10−11 mA cm−2 by adding PMMA and two orders of magnitude...