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Ultrasonic-Assisted Synthesis of Highly Defined Silver Nanodimers by Self-Assembly for Improved Surface-Enhanced Raman Spectroscopy
Publikationstyp
Journal Article
Date Issued
2020-01-27
Sprache
English
Journal
Volume
26
Issue
6
Start Page
1243
End Page
1248
Citation
Chemistry A European Journal 26 (6): 1243-1248 (2020)
Publisher DOI
Scopus ID
ISSN
09476539
Considerable research efforts have been devoted to surface-enhanced Raman spectroscopy (SERS), due to its excellent performance in biosensing and imaging. Here, a novel and facile strategy for the fabrication of well-defined and uniform nanodimers as SERS substrates is presented. By the assistance of ultrasound, the violent polyol process for particle generation becomes controllable, enabling the self-assembly of nanostars to nanodimers. Moreover, the aggregation of nanodimers can be easily tuned by post-ultrasonic treatment, which gives a sensitive substrate for SERS.
Subjects
aggregation
nanodimers
self-assembly
surface-enhanced Raman spectroscopy
ultrasonic-assisted synthesis
DDC Class
600: Technology