Extraordinary photoluminescence and strong temperature/angle-dependent raman responses in few-layer phosphorene

Zhang, S; Yang, J; Xu, R; Wang, F; Li, W; Ghufran, M; Zhang, YW; Yu, Z; Zhang, G; Qin, Q; Lu, Y

Extraordinary photoluminescence and strong temperature/angle-dependent raman responses in few-layer phosphorene

Zhang, S Yang, J Xu, R Wang, F

Li, W Ghufran, M Zhang, YW Yu, Z Zhang, G Qin, Q Lu, Y

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Publication Type:: Journal Article
Citation:: ACS Nano, 2014, 8 (9), pp. 9590 - 9596
Issue Date:: 2014-09-23

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Field	Value	Language
dc.contributor.author	Zhang, S	en_US
dc.contributor.author	Yang, J	en_US
dc.contributor.author	Xu, R	en_US
dc.contributor.author	Wang, F https://orcid.org/0000-0001-7403-3305	en_US
dc.contributor.author	Li, W	en_US
dc.contributor.author	Ghufran, M	en_US
dc.contributor.author	Zhang, YW	en_US
dc.contributor.author	Yu, Z	en_US
dc.contributor.author	Zhang, G	en_US
dc.contributor.author	Qin, Q	en_US
dc.contributor.author	Lu, Y	en_US
dc.date.issued	2014-09-23	en_US
dc.identifier.citation	ACS Nano, 2014, 8 (9), pp. 9590 - 9596	en_US
dc.identifier.issn	1936-0851	en_US
dc.identifier.uri	http://hdl.handle.net/10453/115535
dc.description.abstract	© 2014 American Chemical Society. Phosphorene is a new family member of two-dimensional materials. We observed strong and highly layer-dependent photoluminescence in few-layer phosphorene (two to five layers). The results confirmed the theoretical prediction that few-layer phosphorene has a direct and layer-sensitive band gap. We also demonstrated that few-layer phosphorene is more sensitive to temperature modulation than graphene and MoS2 in Raman scattering. The anisotropic Raman response in few-layer phosphorene has enabled us to use an optical method to quickly determine the crystalline orientation without tunneling electron microscopy or scanning tunneling microscopy. Our results provide much needed experimental information about the band structures and exciton nature in few-layer phosphorene.	en_US
dc.relation.ispartof	ACS Nano	en_US
dc.relation.isbasedon	10.1021/nn503893j	en_US
dc.subject.classification	Nanoscience & Nanotechnology	en_US
dc.title	Extraordinary photoluminescence and strong temperature/angle-dependent raman responses in few-layer phosphorene	en_US
dc.type	Journal Article
utslib.citation.volume	9	en_US
utslib.citation.volume	8	en_US
utslib.for	0205 Optical Physics	en_US
utslib.for	0303 Macromolecular and Materials Chemistry	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - IBMD - Initiative for Biomedical Devices
utslib.copyright.status	open_access
pubs.issue	9	en_US
pubs.publication-status	Published	en_US
pubs.volume	8	en_US

Abstract:

© 2014 American Chemical Society. Phosphorene is a new family member of two-dimensional materials. We observed strong and highly layer-dependent photoluminescence in few-layer phosphorene (two to five layers). The results confirmed the theoretical prediction that few-layer phosphorene has a direct and layer-sensitive band gap. We also demonstrated that few-layer phosphorene is more sensitive to temperature modulation than graphene and MoS2 in Raman scattering. The anisotropic Raman response in few-layer phosphorene has enabled us to use an optical method to quickly determine the crystalline orientation without tunneling electron microscopy or scanning tunneling microscopy. Our results provide much needed experimental information about the band structures and exciton nature in few-layer phosphorene.

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http://hdl.handle.net/10453/115535