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240523s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03816
|2 doi
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|a pubmed25n1241.xml
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|a (NLM)38780396
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Huang, Pei-Chen
|e verfasserin
|4 aut
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| 245 |
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|a Unraveling the Heat- and UV-Induced Degradation of Mixed Halide Perovskite Thin Films via Surface Analysis Techniques
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|c 2024
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|a Text
|b txt
|2 rdacontent
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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 15.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a In recent years, organic-inorganic hybrid perovskite materials have become one of the most promising materials in the new generation of solar cells. These perovskites can provide excellent photoelectric properties after a simple fabrication process. Although perovskite solar cells have achieved high power conversion efficiency, instability concerns regarding material exposure to heat, moisture, air, and UV light present hindrances to commercialization. In this study, three kinds of perovskites (MAPbI3, MAPbI3-xBrx, and MAPbI3-xClx) were used to investigate the crystal stability upon exposure to heat and UV light. SEM, XRD, and FTIR were used to observe the surface morphology, crystal structure, and functional groups of the perovskite thin films. XPS was used to examine the surface composition and chemical state of the perovskite thin films under different conditions. Among these three types of perovskites, it was found that the MAPbI3-xBrx crystal demonstrated the best stability. ToF-SIMS was used to confirm the molecular distribution of the MAPbI3-xBrx films upon exposure to heat and UV light at different depths. ToF-SIMS revealed that [Pb]+ and [PbI]+ aggregated at the interface between the perovskite and ITO substrate after 14 days of thermal treatment. On the other hand, [Pb]+ and [PbI]+ were distributed uniformly after 3 days of UV exposure. This study systematically analyzed and revealed the thermal- and UV-induced degradation process of three perovskite films by using surface analysis techniques. It was concluded that bromine-doped perovskite films had better stability, and UV light caused more severe damage than heat
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|a Journal Article
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1 |
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|a Yang, Ting-Jia
|e verfasserin
|4 aut
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1 |
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|a Lin, Chia-Jou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Man-Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Wei-Chun
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 40(2024), 23 vom: 11. Juni, Seite 11873-11887
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
8 |
|g volume:40
|g year:2024
|g number:23
|g day:11
|g month:06
|g pages:11873-11887
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03816
|3 Volltext
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