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题名: Efficiency-Enhanced Planar Perovskite Solar Cells via an Isopropanol/Ethanol Mixed Solvent Process
作者: Mao, Peng1, 2; Zhou, Qing1, 2; Jin, Zhiwen1, 2; Li, Hui1; Wang, Jizheng1, 2
关键词: perovskite ; solar cell ; mixed solvent ; morphology ; component
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2016-09-14
卷: 8, 期:36, 页:23837-23843
收录类别: SCI
英文摘要: Solution processable perovskite solar cells traditionally employed isopropanol as the solvent of CH3NH3I in a two-step method. One of the largest issues of this technique is the uncontrollable morphology of the perovskite film. In this study, a homogeneous and dense PbI2 filth was prepared by introducing DMSO as an additive into DMF and then reacting the mixture with CH3NH3I dissolved in an isopropanol/ethanol solvent to fabricate high-quality perovskite films. Results revealed that ethanol played a crucial role on morphology and components of perovskite films. When the ratio of isopropanol to ethanol was optimized, a power conversion,efficiency of 15.76% was achieved, which was on average, similar to 50% higher than that of PSCs without DMSO and ethanol processing.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35294
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
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