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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201801931
|2 doi
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|a pubmed24n0959.xml
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|a (DE-627)NLM287823016
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|a (NLM)30144177
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Hu, Zehua
|e verfasserin
|4 aut
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| 245 |
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|a Abnormal Near-Infrared Absorption in 2D Black Phosphorus Induced by Ag Nanoclusters Surface Functionalization
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|c 2018
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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 29.10.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Black phosphorus (BP), as a fast emerging 2D material, shows promising potential in near-infrared (NIR) photodetection owing to its relatively small direct thickness-dependent bandgaps. However, the poor NIR absorption due to the atomically thin nature strongly hinders the practical application. In this study, it is demonstrated that surface functionalization of Ag nanoclusters on 2D BP can induce an abnormal NIR absorption at ≈746 nm, leading to ≈35 (138) times enhancement in 808 (730) nm NIR photoresponse for BP-based field-effect transistors. First-principles calculations reveal that localized bands are introduced into the bandgap of BP, serving as the midgap states, which create new transitions to the conduction band of BP and eventually lead to the abnormal absorption. This work provides a simple yet effective method to dramatically increase the NIR absorption of BP, which is crucial for developing high-performance NIR optoelectronic devices
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|a Journal Article
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|a black phosphorus
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|a density functional theory
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|a microabsorption spectra
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|a photocurrent
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|a surface functionalization
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1 |
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|a Li, Qiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lei, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Jing
|e verfasserin
|4 aut
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1 |
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|a Zhou, Qionghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gu, Chengding
|e verfasserin
|4 aut
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1 |
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|a Wen, Xinglin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Junyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yanpeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Shisheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Junpeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiong, Qihua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jinlan
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Wei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 43 vom: 24. Okt., Seite e1801931
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2018
|g number:43
|g day:24
|g month:10
|g pages:e1801931
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201801931
|3 Volltext
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|d 30
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|h e1801931
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