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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201704619
|2 doi
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|a pubmed25n0932.xml
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|a (NLM)29314299
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|e rakwb
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|a eng
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1 |
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|a Tan, Sherman Jun Rong
|e verfasserin
|4 aut
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|a Quasi-Monolayer Black Phosphorus with High Mobility and Air Stability
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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
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|2 rdacarrier
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|a Date Completed 01.08.2018
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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) exhibits thickness-dependent band gap and high electronic mobility. The chemical intercalation of BP with alkali metal has attracted attention recently due to the generation of universal superconductivity regardless of the type of alkali metals. However, both ultrathin BP, as well as alkali metal-intercalated BP, are highly unstable and corrode rapidly under ambient conditions. This study demonstrates that alkali metal hydride intercalation decouples monolayer to few layers BP from the bulk BP, allowing an optical gap of ≈1.7 eV and an electronic gap of 1.98 eV to be measured by photoluminescence and electron energy loss spectroscopy at the intercalated regions. Raman and transport measurements confirm that chemically intercalated BP exhibits enhanced stability, while maintaining a high hole mobility of up to ≈800 cm2 V-1 s-1 and on/off ratio exceeding 103 . The use of alkali metal hydrides as intercalants should be applicable to a wide range of layered 2D materials and pave the way for generating highly stable, quasi-monolayer 2D materials
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|a Journal Article
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|a alkali metal intercalation
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4 |
|a black phosphorus
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| 700 |
1 |
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|a Abdelwahab, Ibrahim
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Leiqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Poh, Sock Mui
|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 Lu, Jiong
|e verfasserin
|4 aut
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1 |
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|a Chen, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Loh, Kian Ping
|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), 6 vom: 07. Feb.
|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:6
|g day:07
|g month:02
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|u http://dx.doi.org/10.1002/adma.201704619
|3 Volltext
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