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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202004981
|2 doi
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|a pubmed25n1072.xml
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|a DE-627
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|a eng
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|a Mirzehmet, Abduheber
|e verfasserin
|4 aut
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| 245 |
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|a Surface Termination of Solution-Processed CH3NH3PbI3 Perovskite Film Examined using Electron Spectroscopies
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|c 2021
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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 23.02.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley‐VCH GmbH.
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|a The interfaces of a perovskite solar cell significantly influence the charge processes in the cell, which contributes to the device performance with direct implication for surface potential, electronic structure, and chemical reactivity. The properties of the interface are strongly affected by the surface termination. In this work, the combination of ultraviolet photoelectron spectroscopy (UPS) and metastable-atom electron spectroscopy is demonstrated, to examine the surface termination of a solution-processed CH3NH3PbI3 perovskite film. The results show that the surface of the CH3NH3PbI3 perovskite film is terminated with a layer consisting of CH3NH3 and I. The interface energy level alignment for both occupied and unoccupied levels between CH3NH3PbI3 and C60 is also examined using UPS and low-energy inverse photoelectron spectroscopy. It turns out that an ideal energy level alignment is established for the electron collection and hole block at the perovskite and C60 interface
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|a Journal Article
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|a electron spectroscopy
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|a energy level alignment
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|a perovskite solar cell
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|a surface termination
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|a Ohtsuka, Tomoki
|e verfasserin
|4 aut
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|a Abd Rahman, Syed A
|e verfasserin
|4 aut
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1 |
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|a Yuyama, Tomoki
|e verfasserin
|4 aut
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|a Krüger, Peter
|e verfasserin
|4 aut
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|a Yoshida, Hiroyuki
|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 33(2021), 3 vom: 17. Jan., Seite e2004981
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:33
|g year:2021
|g number:3
|g day:17
|g month:01
|g pages:e2004981
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|u http://dx.doi.org/10.1002/adma.202004981
|3 Volltext
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