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Scalable residue-free graphene for surface-enhanced Raman scattering
Hinnemo, Malkolm; Ahlberg, Patrik; Hagglund, Carl; Ren, Wencai; Cheng, Hui-Ming; Zhang, Shi-Li; Zhang, Zhi-Bin; zhibin.zhang@angstrom.uu.se
2016
Source PublicationCARBON
ISSN0008-6223
Volume98Pages:567-571
AbstractA room-temperature polymer-assisted transfer process is developed for large-area, single-layer graphene grown by means of chemical vapor deposition (CVD). This process leads to transferred graphene layers free of polymer contamination. The absence of polymer residues boosts the surface-enhanced Raman scattering (SERS) of the CVD graphene with gold nanoparticles (Au NPs) deposited atop by evaporation. The SERS enhancement of the CVD graphene reaches similar to 120 for the characteristic 2D peak of graphene, the highest enhancement factor achieved to date, when the Au NPs are at the threshold of percolation. Our simulation supported by experiment suggests that the polymer residues persistently present on the graphene transferred by the conventional polymer-assisted method are equivalent to an ultrathin film of less than 1 nm thickness. The presence of polymer residues drastically reduces SERS due to the separation of the Au NPs from the underlying graphene. The scalability of CVD graphene opens up for the possibility of graphene-based SERS sensors. (C) 2015 Elsevier Ltd. All rights reserved.
description.department[hinnemo, malkolm ; ahlberg, patrik ; hagglund, carl ; zhang, shi-li ; zhang, zhi-bin] uppsala univ, dept engn sci, angstrom lab, solid state elect, s-75121 uppsala, sweden ; [ren, wencai ; cheng, hui-ming] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china
Funding OrganizationKnut and Alice Wallenberg Foundation [2011.0113, 2011.0082]; Swedish Foundation for Strategic Research [SE13-0061]; Swedish Research Council (VR) [621-2014-5591]
Indexed Bysci
Language英语
WOS IDWOS:000367233000070
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75106
Collection中国科学院金属研究所
Corresponding Authorzhibin.zhang@angstrom.uu.se
Recommended Citation
GB/T 7714
Hinnemo, Malkolm,Ahlberg, Patrik,Hagglund, Carl,et al. Scalable residue-free graphene for surface-enhanced Raman scattering[J]. CARBON,2016,98:567-571.
APA Hinnemo, Malkolm.,Ahlberg, Patrik.,Hagglund, Carl.,Ren, Wencai.,Cheng, Hui-Ming.,...&zhibin.zhang@angstrom.uu.se.(2016).Scalable residue-free graphene for surface-enhanced Raman scattering.CARBON,98,567-571.
MLA Hinnemo, Malkolm,et al."Scalable residue-free graphene for surface-enhanced Raman scattering".CARBON 98(2016):567-571.
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