Surface-enhanced Raman scattering of graphene with photo-assisted- synthesized gold nanoparticles

Cheng En Cheng; Chi Yuan Lin; Hao Yu Chang; Chen Han Huang; Hsing Ying Lin; Chia Hao Chen; Chia Chen Hsu; Chen Shiung Chang; Forest Shih Sen Chien

doi:10.1364/OE.21.006547

Surface-enhanced Raman scattering of graphene with photo-assisted- synthesized gold nanoparticles

Cheng En Cheng, Chi Yuan Lin, Hao Yu Chang, Chen Han Huang, Hsing Ying Lin, Chia Hao Chen, Chia Chen Hsu, Chen Shiung Chang, Forest Shih Sen Chien

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

18 Scopus citations

Abstract

This paper presents a convenient and reliable method to prepare gold nanoparticles (AuNPs) on graphene. Photo-assisted synthesis (PAS) was employed to grow AuNPs in AuCl4 - electrolyte on graphene. The size of AuNPs could be as large as 130 nm. This optical method had a steady growth rate of AuNPs. The distribution of AuNPs was well controlled by focusing the laser for PAS. The minimum diameter of the distribution was approximately 1 μm. Surface-enhanced Raman scattering of graphene due to AuNPs was observed. Electrical fields near AuNPs calculated by the finite-difference time-domain algorithm ensured that the Raman enhancement was attributed to the localized surface plasmons of AuNPs.

Original language	English
Pages (from-to)	6547-6554
Number of pages	8
Journal	Optics Express
Volume	21
Issue number	5
DOIs	https://doi.org/10.1364/OE.21.006547
State	Published - 11 Mar 2013

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title = "Surface-enhanced Raman scattering of graphene with photo-assisted- synthesized gold nanoparticles",

abstract = "This paper presents a convenient and reliable method to prepare gold nanoparticles (AuNPs) on graphene. Photo-assisted synthesis (PAS) was employed to grow AuNPs in AuCl4 - electrolyte on graphene. The size of AuNPs could be as large as 130 nm. This optical method had a steady growth rate of AuNPs. The distribution of AuNPs was well controlled by focusing the laser for PAS. The minimum diameter of the distribution was approximately 1 μm. Surface-enhanced Raman scattering of graphene due to AuNPs was observed. Electrical fields near AuNPs calculated by the finite-difference time-domain algorithm ensured that the Raman enhancement was attributed to the localized surface plasmons of AuNPs.",

author = "Cheng, {Cheng En} and Lin, {Chi Yuan} and Chang, {Hao Yu} and Huang, {Chen Han} and Lin, {Hsing Ying} and Chen, {Chia Hao} and Hsu, {Chia Chen} and Chang, {Chen Shiung} and Chien, {Forest Shih Sen}",

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T1 - Surface-enhanced Raman scattering of graphene with photo-assisted- synthesized gold nanoparticles

AU - Cheng, Cheng En

AU - Lin, Chi Yuan

AU - Chang, Hao Yu

AU - Huang, Chen Han

AU - Lin, Hsing Ying

AU - Chen, Chia Hao

AU - Hsu, Chia Chen

AU - Chang, Chen Shiung

AU - Chien, Forest Shih Sen

PY - 2013/3/11

Y1 - 2013/3/11

N2 - This paper presents a convenient and reliable method to prepare gold nanoparticles (AuNPs) on graphene. Photo-assisted synthesis (PAS) was employed to grow AuNPs in AuCl4 - electrolyte on graphene. The size of AuNPs could be as large as 130 nm. This optical method had a steady growth rate of AuNPs. The distribution of AuNPs was well controlled by focusing the laser for PAS. The minimum diameter of the distribution was approximately 1 μm. Surface-enhanced Raman scattering of graphene due to AuNPs was observed. Electrical fields near AuNPs calculated by the finite-difference time-domain algorithm ensured that the Raman enhancement was attributed to the localized surface plasmons of AuNPs.

AB - This paper presents a convenient and reliable method to prepare gold nanoparticles (AuNPs) on graphene. Photo-assisted synthesis (PAS) was employed to grow AuNPs in AuCl4 - electrolyte on graphene. The size of AuNPs could be as large as 130 nm. This optical method had a steady growth rate of AuNPs. The distribution of AuNPs was well controlled by focusing the laser for PAS. The minimum diameter of the distribution was approximately 1 μm. Surface-enhanced Raman scattering of graphene due to AuNPs was observed. Electrical fields near AuNPs calculated by the finite-difference time-domain algorithm ensured that the Raman enhancement was attributed to the localized surface plasmons of AuNPs.

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SN - 1094-4087

VL - 21

SP - 6547

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JO - Optics Express

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Surface-enhanced Raman scattering of graphene with photo-assisted- synthesized gold nanoparticles

Abstract

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