NDLI: Fabrication of Near-Field Plasmonic Tip by Photoreduction for Strong Enhancement in Tip-Enhanced Raman Spectroscopy

Content Provider	Semantic Scholar
Author	Umakoshi, Takayuki Yano, Taka-Aki Saito, Yuika Verma, Prabhat
Copyright Year	2012
Abstract	Tip-enhanced Raman spectroscopy (TERS) offers one of the best techniques for optical analysis and imaging of samples at nanoscale. The most important point in TERS experiments is to obtain a high signal enhancement through a metallic nanotip. Compared with fully metallized tips, the tips that have only one metallic nanoparticle at the apex show better enhancement. Here, we demonstrate a new and simple way to fabricate metallic nanoparticles selectively at the tip apex through photoreduction. By controlling the nanoparticle size, the plasmon resonance of the tip can be tuned. Finally, we demonstrate that such tips give better enhancement in TERS.
Starting Page	052001
Ending Page	052001
Page Count	1
File Format	PDF HTM / HTML
DOI	10.1143/APEX.5.052001
Volume Number	5
Alternate Webpage(s)	http://naspec.ap.eng.osaka-u.ac.jp/pdf/12_APEX-5-052001.pdf
Alternate Webpage(s)	https://doi.org/10.1143/APEX.5.052001
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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