Graphene-veiled gold substrate for surface-enhanced raman spectroscopy

Weigao Xu; Jiaqi Xiao; Yanfeng Chen; Yabin Chen; Xi Ling; Jin Zhang

doi:10.1002/adma.201204355

Graphene-veiled gold substrate for surface-enhanced raman spectroscopy

Weigao Xu, Jiaqi Xiao, Yanfeng Chen, Yabin Chen, Xi Ling, Jin Zhang^*

^*Corresponding author for this work

Peking University

Research output: Contribution to journal › Article › peer-review

224 Citations (Scopus)

Abstract

Graphene is exploited to serve as a seamless and inert veil to fabricate a surface-enhanced Raman spectroscopy (SERS) substrate with a passivated surface. This novel approach inherits the concept of metal-molecule isolation (for more well-defined surface interactions) and results in a few superiorities. We find the SERS performance of a graphene-veiled substrate is highly morphology-dependent, and the dynamic process of thermal annealing is investigated in detail by in-situ Raman spectroscopy.

Original language	English
Pages (from-to)	928-933
Number of pages	6
Journal	Advanced Materials
Volume	25
Issue number	6
DOIs	https://doi.org/10.1002/adma.201204355
Publication status	Published - 13 Feb 2013
Externally published	Yes

Keywords

activity
electromagnetic enhancements
graphene
metal-molecule isolation
surface-enhanced Raman spectroscopy

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10.1002/adma.201204355

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author = "Weigao Xu and Jiaqi Xiao and Yanfeng Chen and Yabin Chen and Xi Ling and Jin Zhang",

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AU - Xu, Weigao

AU - Xiao, Jiaqi

AU - Chen, Yanfeng

AU - Chen, Yabin

AU - Ling, Xi

AU - Zhang, Jin

PY - 2013/2/13

Y1 - 2013/2/13

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AB - Graphene is exploited to serve as a seamless and inert veil to fabricate a surface-enhanced Raman spectroscopy (SERS) substrate with a passivated surface. This novel approach inherits the concept of metal-molecule isolation (for more well-defined surface interactions) and results in a few superiorities. We find the SERS performance of a graphene-veiled substrate is highly morphology-dependent, and the dynamic process of thermal annealing is investigated in detail by in-situ Raman spectroscopy.

KW - activity

KW - electromagnetic enhancements

KW - graphene

KW - metal-molecule isolation

KW - surface-enhanced Raman spectroscopy

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JO - Advanced Materials

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Graphene-veiled gold substrate for surface-enhanced raman spectroscopy

Abstract

Keywords

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