TY - JOUR
T1 - Tailoring a novel Au nanodot arrays on graphene substrate for a highly active Surface-Enhanced Raman Scattering (SERS)
AU - Sivashanmugan, Kundan
AU - Nguyen, Van Huy
AU - Nguyen, Ba Son
N1 - Funding Information:
The authors gratefully acknowledge Lac Hong University, Vietnam for the financial and equipment support under Grant LHU-RF-TE-18-02-09.
Publisher Copyright:
© 2020 Elsevier B.V.
PY - 2020/7/15
Y1 - 2020/7/15
N2 - In this work, gold nanodots (Au NDs) were arrayed on the thin graphene (GR) layer, prepared by chemical vapor deposition, by focused ion beam technique. Following, GR/Au NDs substrates was evaluated of Surface-Enhanced Raman Scattering (SERS) by using rhodamine 6G (R6G) as a molecular probe. As expected, GR/Au NDs significantly enhanced the SERS signals. The limit of detection for R6G was as low as 10−12 M and the Raman enhancement factor was as large as 108 times. GR/Au NDs SERS-active substrate showed a promising technique to enhance the trace detection and quantitative detection of organic contaminants.
AB - In this work, gold nanodots (Au NDs) were arrayed on the thin graphene (GR) layer, prepared by chemical vapor deposition, by focused ion beam technique. Following, GR/Au NDs substrates was evaluated of Surface-Enhanced Raman Scattering (SERS) by using rhodamine 6G (R6G) as a molecular probe. As expected, GR/Au NDs significantly enhanced the SERS signals. The limit of detection for R6G was as low as 10−12 M and the Raman enhancement factor was as large as 108 times. GR/Au NDs SERS-active substrate showed a promising technique to enhance the trace detection and quantitative detection of organic contaminants.
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U2 - 10.1016/j.matlet.2020.127807
DO - 10.1016/j.matlet.2020.127807
M3 - Article
AN - SCOPUS:85083308914
SN - 0167-577X
VL - 271
JO - Materials Letters
JF - Materials Letters
M1 - 127807
ER -