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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201806823
|2 doi
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|a pubmed24n0975.xml
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|a eng
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|a Matsui, Taisuke
|e verfasserin
|4 aut
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|a Compositional Engineering for Thermally Stable, Highly Efficient Perovskite Solar Cells Exceeding 20% Power Conversion Efficiency with 85 °C/85% 1000 h Stability
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 06.03.2019
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Perovskite solar cells have received great attention because of their rapid progress in efficiency, with a present certified highest efficiency of 23.3%. Achieving both high efficiency and high thermal stability is one of the biggest challenges currently limiting perovskite solar cells because devices displaying stability at high temperature frequently suffer from a marked decrease of efficiency. In this report, the relationship between perovskite composition and device thermal stability is examined. It is revealed that Rb can suppress the growth of PbI2 even under PbI2 -rich conditions and decreasing the Br ratio in the perovskite absorber layer can prevent the generation of unwanted RbBr-based aggregations. The optimized device achieved by engineering perovskite composition exhibits 92% power conversion efficiency retention in a stress test conducted at 85 °C/85% relative humidity (RH) according to an international standard (IEC 61215) while exceeding 20% power conversion efficiency (certified efficiency of 20.8% at 1 cm2 ). These results reveal the great potential for the practical use of perovskite solar cells in the near future
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|a Journal Article
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|a Rb
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|a perovskite solar cells
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| 650 |
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4 |
|a stability
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| 700 |
1 |
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|a Yamamoto, Teruaki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nishihara, Takashi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Morisawa, Ryosuke
|e verfasserin
|4 aut
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1 |
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|a Yokoyama, Tomoyasu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sekiguchi, Takashi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Negami, Takayuki
|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 31(2019), 10 vom: 01. März, Seite e1806823
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:31
|g year:2019
|g number:10
|g day:01
|g month:03
|g pages:e1806823
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|u http://dx.doi.org/10.1002/adma.201806823
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