Abstract
We report a new approach in tip-enhanced Raman spectroscopy (TERS) in which TERS-active tips with enhancement factors of can be rapidly (1–3 min) produced in situ by laser-induced synthesis of silver nanoparticles at the tip apex. The technique minimizes the risks of tip contamination and damage during handling and provides in situ feedback control, which allows the prediction of the tip performance. We show that TERS tips produced by this technique enable the measurement of spatially resolved TERS spectra of self-assembled peptide nanotubes with a spatial resolution of .
©2012 Optical Society of America
Full Article | PDF ArticleMore Like This
Sudipta Sarkar Pal, Samir K. Mondal, Phun Phun Bajpai, and Pawan Kapur
Opt. Lett. 37(19) 4017-4019 (2012)
Rui Wang, Jia Wang, Fenghuan Hao, Mingqian Zhang, and Qian Tian
Appl. Opt. 49(10) 1845-1848 (2010)
Nastaran Kazemi-Zanjani, Sylvain Vedraine, and François Lagugné-Labarthet
Opt. Express 21(21) 25271-25276 (2013)