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题名: Room-temperature water-vapor annealing for high-performance planar perovskite solar cells
作者: Wang, Binbin1, 2; Zhang, Zhi-Guo1; Ye, Senyun3; Rao, Haixia3; Bian, Zuqiang3; Huang, Chunhui3; Li, Yongfang1, 4
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2016
卷: 4, 期:44, 页:17267-17273
收录类别: SCI
英文摘要: We report here the discovery of a unique room-temperature watervapor annealing (WVA) method to fabricate high performance planar heterojunction perovskite solar cells (pero-SCs) based on CH3NH3-PbI3. High crystallinity and void-free perovskite films were obtained by the WVA treatment at room temperature without thermal annealing (TA) and the power conversion efficiency (PCE) of the pero-SCs reached 16.4% with a high open circuit voltage (V-oc) of 1 V. A mechanism is proposed that the water vapor molecules catalyzed the dissolution and re-crystallization of the perovskite at the grain edges and void area, resulting in void-free and large sized crystals in the perovskite films and the improved photovoltaic performance. This WVA approach provides a simple, high-efficiency and energy conservation processing method in the fabrication of planar perovskite solar cells towards commercialization.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35721
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.Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454000, Henan, Peoples R China
3.Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
4.Soochow Univ, Coll Chem Chem Engn & Mat Sci, Lab Adv Optoelect Mat, Suzhou 215123, Jiangsu, Peoples R China
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