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240328s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202313889
|2 doi
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|a pubmed24n1439.xml
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|a (NLM)38536181
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|a DE-627
|b ger
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|a eng
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|a Dong, Kailian
|e verfasserin
|4 aut
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|a Spacer Conformation Induced Multiple Hydrogen Bonds in 2D Perovskite toward Highly Efficient Optoelectronic Devices
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|c 2024
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|a Text
|b txt
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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 13.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Two-dimensional (2D) Dion-Jacobson (DJ) perovskites typically outperform Ruddlesden-Popper (RP) analogs in terms of photodetection (PD). However, the mechanism behind this enhanced performance remains elusive. Theoretical calculations for elucidating interlayer spacer conformation-induced multiple hydrogen bonds in 2D perovskite are presented, along with the synthesis of DPAPbBr4 (DPB) single crystals (SCs) and their PD properties under X-ray/ultraviolet (UV) excitation. The high-quality DPB SC enhances PD with exceptional photoresponse attributes, including a high on/off ratio (4.89 × 104), high responsivity (2.44 A W⁻1), along with large dynamic linear range (154 dB) and low detection limit (7.1 nW cm⁻2), which are currently the best results among 2D perovskite SC detectors, respectively. Importantly, high-resolution images are obtained under UV illumination with weak light levels. The SC X-ray detector exhibits a high sensitivity of 663 µC Gyair⁻1 cm-2 at 10 V and a detection limit of 1.44 µGyair s⁻1. This study explores 2D DJ perovskites for efficient and innovative optoelectronic applications
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|a Journal Article
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|a X‐ray detection
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|a large linear dynamic range
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|a multiple hydrogen bonds
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|a spacer conformation
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|a weak‐light imaging
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|a Yang, Xiangfeng
|e verfasserin
|4 aut
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|a Yao, Fang
|e verfasserin
|4 aut
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|a Cong, Hengjiang
|e verfasserin
|4 aut
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|a Zhou, Hai
|e verfasserin
|4 aut
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|a Zhou, Shun
|e verfasserin
|4 aut
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|a Cui, Hongsen
|e verfasserin
|4 aut
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|a Wang, Shuxin
|e verfasserin
|4 aut
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|a Tao, Chen
|e verfasserin
|4 aut
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|a Sun, Chengliang
|e verfasserin
|4 aut
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|a Fu, Huahua
|e verfasserin
|4 aut
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|a Ke, Weijun
|e verfasserin
|4 aut
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|a Fang, Guojia
|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 36(2024), 24 vom: 15. Juni, Seite e2313889
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:24
|g day:15
|g month:06
|g pages:e2313889
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|u http://dx.doi.org/10.1002/adma.202313889
|3 Volltext
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