A light-mediated covalently patterned graphene substrate for graphene-enhanced Raman scattering (GERS)

We report covalently patterned graphene with acetic acid as a new potential candidate for graphene-enhanced Raman scattering (GERS). Rhodamine 6G molecules in direct contact with the covalently modified region show an enormous enhancement (∼25 times) compared to the pristine region at 532 nm excitat...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2023-09, Vol.59 (76), p.11417-1142
Main Authors: Feng, Guilin, Suzuki, Nozomu, Zhang, Qiang, Li, Jiangtao, Inose, Tomoko, Taemaitree, Farsai, Toyouchi, Shuichi, Fujita, Yasuhiko, Hirai, Kenji, Uji-i, Hiroshi
Format: Article
Language:English
Subjects:
Acetic acid
Covalence
Excitation
Graphene
Raman spectra
Rhodamine 6G
Substrates
Thickness
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Summary:We report covalently patterned graphene with acetic acid as a new potential candidate for graphene-enhanced Raman scattering (GERS). Rhodamine 6G molecules in direct contact with the covalently modified region show an enormous enhancement (∼25 times) compared to the pristine region at 532 nm excitation. The GERS enhancement with respect to the layer thickness of the probed molecule, excitation wavelength, and covalently attached groups is discussed. We report covalently patterned graphene with acetic acid as a new potential candidate for graphene-enhanced Raman scattering (GERS) substrate.
ISSN:1359-7345
1364-548X
DOI:10.1039/d3cc03304j