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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202304350
|2 doi
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|a pubmed24n1205.xml
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|a eng
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|a Daboczi, Matyas
|e verfasserin
|4 aut
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|a Scalable All-Inorganic Halide Perovskite Photoanodes with >100 h Operational Stability Containing Earth-Abundant Materials
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|c 2023
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 08.11.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a The application of halide perovskites in the photoelectrochemical generation of solar fuels and feedstocks is hindered by the instability of perovskites in aqueous electrolytes and the use of expensive electrode and catalyst materials, particularly in photoanodes driving kinetically slow water oxidation. Here, solely earth-abundant materials are incorporated to fabricate a CsPbBr3 -based photoanode that reaches a low onset potential of +0.4 VRHE and 8 mA cm-2 photocurrent density at +1.23 VRHE for water oxidation, close to the radiative efficiency limit of CsPbBr3 . This photoanode retains 100% of its stabilized photocurrent density for more than 100 h of operation by replacing once the inexpensive graphite sheet upon signs of deterioration. The improved performance is due to an efficiently electrodeposited NiFeOOH catalyst on a protective self-adhesive graphite sheet, and enhanced charge transfer achieved by phase engineering of CsPbBr3 . Devices with >1 cm2 area, and low-temperature processing demonstrate the potential for low capital cost, stable, and scalable perovskite photoanodes
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|a Journal Article
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|a earth-abundant materials
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|a halide perovskites
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|a photoanodes
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|a photoelectrochemical
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|a weeks-long stability
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|a Cui, Junyi
|e verfasserin
|4 aut
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1 |
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|a Temerov, Filipp
|e verfasserin
|4 aut
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| 700 |
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|a Eslava, Salvador
|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 35(2023), 45 vom: 05. Nov., Seite e2304350
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:45
|g day:05
|g month:11
|g pages:e2304350
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|u http://dx.doi.org/10.1002/adma.202304350
|3 Volltext
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