Journal
ADVANCED MATERIALS
Volume 25, Issue 6, Pages 928-933Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201204355
Keywords
surface-enhanced Raman spectroscopy; graphene; metalmolecule isolation; electromagnetic enhancements; activity
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Funding
- MOST [2011YQ0301240201, 2011CB932601]
- NSFC [21233001, 50972001, 51121091, 21129001]
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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.
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