Efficient Light Harvester Layer Prepared by Solid/Mist Interface Reaction for Perovskite Solar Cells

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• 作者：Xiang Xia ; Hongcui Li ; Wenyi Wu ; Yanhua Li ; Dehou Fei ; Chunxiao Gao ; Xizhe Liu
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2015
• 出版时间：August 12, 2015
• 年：2015
• 卷：7
• 期：31
• 页码：16907-16912
• 全文大小：420K
• ISSN：1944-8252

文摘

A solid/mist reaction method is developed to produce well-crystallized light harvester layers without pinhole defects for perovskite solar cells. The reaction based on mist precursor can be facilely operated with low process temperature. And it can effectively control the volume of CH₃NH₃I solution and the reaction temperature, which affect the quality of perovskite harvester layers and the performance of perovskite solar cells remarkably. Under optimized condition, the efficiencies of devices reach 16.2% with the average efficiency of 14.9%. The solid/mist reaction is also used to fabricate planar junction solar cells and a PCE of 14.9% is obtained.