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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201801401
|2 doi
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|a pubmed25n0950.xml
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|a (DE-627)NLM285277138
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|a (NLM)29883002
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|a DE-627
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|a eng
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|a Li, Ming-Hsien
|e verfasserin
|4 aut
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|a Highly Efficient 2D/3D Hybrid Perovskite Solar Cells via Low-Pressure Vapor-Assisted Solution Process
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.03.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The fabrication of multidimensional organometallic halide perovskite via a low-pressure vapor-assisted solution process is demonstrated for the first time. Phenyl ethyl-ammonium iodide (PEAI)-doped lead iodide (PbI2 ) is first spin-coated onto the substrate and subsequently reacts with methyl-ammonium iodide (MAI) vapor in a low-pressure heating oven. The doping ratio of PEAI in MAI-vapor-treated perovskite has significant impact on the crystalline structure, surface morphology, grain size, UV-vis absorption and photoluminescence spectra, and the resultant device performance. Multiple photoluminescence spectra are observed in the perovskite film starting with high PEAI/PbI2 ratio, which suggests the coexistence of low-dimensional perovskite (PEA2 MAn-1 Pbn I3n+1 ) with various values of n after vapor reaction. The dimensionality of the as-fabricated perovskite film reveals an evolution from 2D, hybrid 2D/3D to 3D structure when the doping level of PEAI/PbI2 ratio varies from 2 to 0. Scanning electron microscopy images and Kelvin probe force microscopy mapping show that the PEAI-containing perovskite grain is presumably formed around the MAPbI3 perovskite grain to benefit MAPbI3 grain growth. The device employing perovskite with PEAI/PbI2 = 0.05 achieves a champion power conversion efficiency of 19.10% with an open-circuit voltage of 1.08 V, a current density of 21.91 mA cm-2 , and a remarkable fill factor of 80.36%
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|a Journal Article
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|a 2D/3D hybrid perovskites
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|a Ruddlesden-Popper perovskites
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|a low-temperature vapor-assisted solution processing
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|a perovskite solar cells
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|a Calcium Compounds
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|a Oxides
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|a perovskite
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|a 12194-71-7
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|a Titanium
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|a D1JT611TNE
|2 NLM
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| 700 |
1 |
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|a Yeh, Hung-Hsiang
|e verfasserin
|4 aut
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|a Chiang, Yu-Hsien
|e verfasserin
|4 aut
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|a Jeng, U-Ser
|e verfasserin
|4 aut
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|a Su, Chun-Jen
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|a Shiu, Hung-Wei
|e verfasserin
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|a Hsu, Yao-Jane
|e verfasserin
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|a Kosugi, Nobuhiro
|e verfasserin
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|a Ohigashi, Takuji
|e verfasserin
|4 aut
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|a Chen, Yu-An
|e verfasserin
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|a Shen, Po-Shen
|e verfasserin
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|a Chen, Peter
|e verfasserin
|4 aut
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|a Guo, Tzung-Fang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 30 vom: 08. Juli, Seite e1801401
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:30
|g year:2018
|g number:30
|g day:08
|g month:07
|g pages:e1801401
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|u http://dx.doi.org/10.1002/adma.201801401
|3 Volltext
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