Growth of Quasi-Free-Standing Single-Layer Blue Phosphorus on Tellurium Monolayer Functionalized Au(111)

Blue phosphorus, a newly proposed allotrope of phosphorus, represents a promising 2D material with predicted large tunable band gap and high charge-carrier mobility. Here, we report a simple method for the growth of quasi-free-standing single layer blue phosphorus on tellurium functionalized Au(111)...

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Bibliographic Details
Published in:ACS nano 2017-05, Vol.11 (5), p.4943-4949
Main Authors: Gu, Chengding, Zhao, Songtao, Zhang, Jia Lin, Sun, Shuo, Yuan, Kaidi, Hu, Zehua, Han, Cheng, Ma, Zhirui, Wang, Li, Huo, Fengwei, Huang, Wei, Li, Zhenyu, Chen, Wei
Format: Article
Language:English
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Summary:Blue phosphorus, a newly proposed allotrope of phosphorus, represents a promising 2D material with predicted large tunable band gap and high charge-carrier mobility. Here, we report a simple method for the growth of quasi-free-standing single layer blue phosphorus on tellurium functionalized Au(111) by using black phosphorus as the precursor. In situ low-temperature scanning tunneling microscopy (LT-STM) measurements were used to monitor the growth of the single-layer blue phosphorus, which forms triangular structures arranged hexagonally on the tellurium layer. As revealed by in situ X-ray photoelectron spectroscopy, LT-STM measurements, and density functional theory calculation, the blue phosphorus layer weakly interacts with the underlying tellurium layer.
ISSN:1936-0851
1936-086X
DOI:10.1021/acsnano.7b01575