Kyoung-Duck Park, Yong Hwan Kim, Jin-Ho Park, Jung Su Park, Hong Seok Lee, Sang-Youp Yim, Young Hee Lee and Mun Seok Jeong Ultraviolet tip-enhanced nanoscale Raman imaging Journal of Raman Spectroscopy 43
We have constructed an ultraviolet (UV)-apertureless near-field scanning optical microscope-Raman spectroscopy system by using an aluminum tip for the simultaneous measurement of topography and Raman scattering of nano materials with high spatial resolution. The topography, Rayleigh scattering image, and tip-enhanced Raman scattering image of the carbon nanotube film showed that a spatial resolution of around 19 nm was achieved. This spatial resolution of UV-Raman mapping image exceeds that of previous approaches which have several hundred nanometers of spatial resolution.
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