Solution-Processed Planar Perovskite Solar Cell Without a Hole Transport Layer

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• 作者：Yi Jin ; George Chumanov
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2015
• 出版时间：June 10, 2015
• 年：2015
• 卷：7
• 期：22
• 页码：12015-12021
• 全文大小：359K
• ISSN：1944-8252

文摘

Solar cells with a structure of ITO/ZnO/CH₃NH₃PbI₃/graphite/carbon black electrode were fabricated by spin coating at ambient conditions. PbI₂ thin films were converted into CH₃NH₃PbI₃ perovskite by reacting with CH₃NH₃I in solution. The incorporation of electrochemically exfoliated graphite improved the fill factor, open circuit potential and short circuit current density. The best device yielded 10.2% power conversion efficiency.