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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202208875
|2 doi
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|a pubmed24n1165.xml
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|a (DE-627)NLM349715564
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|a (NLM)36458997
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhang, Bobo
|e verfasserin
|4 aut
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|a Electron-Phonon Coupling Suppression by Enhanced Lattice Rigidity in 2D Perovskite Single Crystals for High-Performance X-Ray Detection
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|c 2023
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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
|b cr
|2 rdacarrier
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|a Date Completed 23.02.2023
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|a Date Revised 23.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a 2D Dion-Jacobson (DJ) perovskite single crystals (PSCs) usually demonstrate better X-ray detection performance than Ruddlesden-Popper (RP) PSCs. However, the mechanism of the improved performance is still elusive. Here, by the aid of strong interactions between dimethylbiguanide (DGA) and PbI2 , a novel DJ-perovskitoid (DGA)PbI4 is designed. From the comparison of (DGA)PbI4 to other 2D PSCs, it is discovered that the tiniest lattice distortion and increased hydrogen bonds in the atom-scaled analysis strengthen lattice rigidity and weaken electron-phonon coupling to suppress disordered scattering of carriers, resulting in significantly improved carrier transport and stability. Therefore, high carrier mobility (78.1 cm2 V-1 s-1 ) and a pronounced sensitivity of 4869.0 µC Gyair -1 cm-2 are achieved using (DGA)PbI4 , which are the best in 2D Pb-based PSC devices to date. Finally, the (DGA)PbI4 devices exhibit good spatial resolution in X-ray imaging and excellent long-term stability to work as a promising candidate for medical diagnostics and nondestructive determination
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|a Journal Article
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|a 2D perovskite
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|a X-ray detection
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|a electron-phonon coupling
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|a high sensitivity
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|a lattice rigidity
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1 |
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|a Zheng, Tao
|e verfasserin
|4 aut
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1 |
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|a You, Jiaxue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Chuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yucheng
|e verfasserin
|4 aut
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|a Zhang, Lu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xi, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dong, Guohua
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Ming
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Shengzhong Frank
|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), 7 vom: 15. Feb., Seite e2208875
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:7
|g day:15
|g month:02
|g pages:e2208875
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|u http://dx.doi.org/10.1002/adma.202208875
|3 Volltext
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