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Issue 19, 2013
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Multilayered nano-prism vertex tips for tip-enhanced Raman spectroscopy and imaging

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Abstract

We presented a scalable fabrication method for the preparation of multilayered nano-prism vertex (NV)-tips whose dimensions can be controlled for tip-enhanced Raman spectroscopy (TERS). The NV-tip had sharp vertices (diameter ∼20 nm) originated from the chemical lift-off process after the angle-grinding process, enabling high resolution imaging. TERS measurements were performed on brilliant cresyl blue (BCB) molecules using a Ag/Au NV-tip, revealing the enhanced field localization at the vertices of the NV-tip. Furthermore, we could observe the polarization effect of the NV-tip. Our NV-tips should be a powerful tool for basic research on TERS experiments and SPM applications.

Graphical abstract: Multilayered nano-prism vertex tips for tip-enhanced Raman spectroscopy and imaging

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Publication details

The article was received on 22 Apr 2013, accepted on 03 Jul 2013 and first published on 03 Jul 2013


Article type: Paper
DOI: 10.1039/C3AN00808H
Citation: Analyst, 2013,138, 5588-5593
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    Multilayered nano-prism vertex tips for tip-enhanced Raman spectroscopy and imaging

    T. Kim, K. Jeon, K. Heo, H. M. Kim, J. Park, Y. D. Suh and S. Hong, Analyst, 2013, 138, 5588
    DOI: 10.1039/C3AN00808H

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