Symmetry breaking of graphene monolayers by molecular decoration

Aromatic molecules can effectively exfoliate graphite into graphene monolayers, and the resulting graphene monolayers sandwiched by the aromatic molecules exhibit a pronounced Raman G-band splitting, similar to that observed in single-walled carbon nanotubes. Raman measurements and calculations base...

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Main Authors: Dong, Xiaochen, Shi, Yumeng, Zhao, Yang, Chen, Dongmeng, Ye, Jun, Yao, Yugui, Gao, Fang, Ni, Zhenhua, Yu, Ting, Shen, Zexiang, Huang, Yinxi, Chen, Peng, Li, Lain-Jong
Other Authors: School of Materials Science & Engineering
Format: Article
Language:English
Published: 2011
Subjects:
Online Access:https://hdl.handle.net/10356/92318
http://hdl.handle.net/10220/6745
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-923182023-07-14T15:53:01Z Symmetry breaking of graphene monolayers by molecular decoration Dong, Xiaochen Shi, Yumeng Zhao, Yang Chen, Dongmeng Ye, Jun Yao, Yugui Gao, Fang Ni, Zhenhua Yu, Ting Shen, Zexiang Huang, Yinxi Chen, Peng Li, Lain-Jong School of Materials Science & Engineering DRNTU::Engineering::Materials::Microelectronics and semiconductor materials Aromatic molecules can effectively exfoliate graphite into graphene monolayers, and the resulting graphene monolayers sandwiched by the aromatic molecules exhibit a pronounced Raman G-band splitting, similar to that observed in single-walled carbon nanotubes. Raman measurements and calculations based on the force-constant model demonstrate that the absorbed aromatic molecules are responsible for the G-band splitting by removing the energy degeneracy of in-plane longitudinal and transverse optical phonons at the Γ point. Published version 2011-03-07T04:19:05Z 2019-12-06T18:21:16Z 2011-03-07T04:19:05Z 2019-12-06T18:21:16Z 2009 2009 Journal Article Dong, X., Shi, Y., Zhao, Y., Chen, D., Ye, J., Yao, Y., et al. (2009). Symmetry breaking of graphene monolayers by molecular decoration. Physical Review Letters (102), 1-4. https://hdl.handle.net/10356/92318 http://hdl.handle.net/10220/6745 10.1103/PhysRevLett.102.135501 en Physical review letters © 2009 American Physical Society. This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at: [Doi: http://dx.doi.org/10.1103/PhysRevLett.102.135501]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. 4 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Materials::Microelectronics and semiconductor materials
spellingShingle DRNTU::Engineering::Materials::Microelectronics and semiconductor materials
Dong, Xiaochen
Shi, Yumeng
Zhao, Yang
Chen, Dongmeng
Ye, Jun
Yao, Yugui
Gao, Fang
Ni, Zhenhua
Yu, Ting
Shen, Zexiang
Huang, Yinxi
Chen, Peng
Li, Lain-Jong
Symmetry breaking of graphene monolayers by molecular decoration
description Aromatic molecules can effectively exfoliate graphite into graphene monolayers, and the resulting graphene monolayers sandwiched by the aromatic molecules exhibit a pronounced Raman G-band splitting, similar to that observed in single-walled carbon nanotubes. Raman measurements and calculations based on the force-constant model demonstrate that the absorbed aromatic molecules are responsible for the G-band splitting by removing the energy degeneracy of in-plane longitudinal and transverse optical phonons at the Γ point.
author2 School of Materials Science & Engineering
author_facet School of Materials Science & Engineering
Dong, Xiaochen
Shi, Yumeng
Zhao, Yang
Chen, Dongmeng
Ye, Jun
Yao, Yugui
Gao, Fang
Ni, Zhenhua
Yu, Ting
Shen, Zexiang
Huang, Yinxi
Chen, Peng
Li, Lain-Jong
format Article
author Dong, Xiaochen
Shi, Yumeng
Zhao, Yang
Chen, Dongmeng
Ye, Jun
Yao, Yugui
Gao, Fang
Ni, Zhenhua
Yu, Ting
Shen, Zexiang
Huang, Yinxi
Chen, Peng
Li, Lain-Jong
author_sort Dong, Xiaochen
title Symmetry breaking of graphene monolayers by molecular decoration
title_short Symmetry breaking of graphene monolayers by molecular decoration
title_full Symmetry breaking of graphene monolayers by molecular decoration
title_fullStr Symmetry breaking of graphene monolayers by molecular decoration
title_full_unstemmed Symmetry breaking of graphene monolayers by molecular decoration
title_sort symmetry breaking of graphene monolayers by molecular decoration
publishDate 2011
url https://hdl.handle.net/10356/92318
http://hdl.handle.net/10220/6745
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