Silver nanowires for highly reproducible cantilever based AFM-TERS microscopy: towards a universal TERS probe
نویسندگان
چکیده
منابع مشابه
Tip-Enhanced Raman Scattering (TERS)
Background The ability to identify small quantities of adsorbed analyte or structural features down to the few-molecule level is a key challenge in nanotechnology. Optical spectroscopy provides an attractive means to achieve such identification via non-invasive implementations and the potential for chemical sensitivity. Raman scattering has emerged as a particularly powerful technique due to it...
متن کاملTERS — Ready or Not ?
microscopy (SPM) for nano-scale imaging with confocal Raman spectroscopy for chemical characterization. Challenges with tip quality, optical alignment, consistency and speed, however, have made the technique difficult and complex. New instrumentation is addressing these challenges, allowing TERS to migrate from pure research to routine laboratory analysis. These systems provide correlated nano-...
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Rapid techniques for virus identification are more relevant today than ever. Conventional virus detection and identification strategies generally rest upon various microbiological methods and genomic approaches, which are not suited for the analysis of single virus particles. In contrast, the highly sensitive spectroscopic technique tip-enhanced Raman spectroscopy (TERS) allows the characterisa...
متن کاملAdvances in TERS (tip-enhanced Raman scattering) for biochemical applications.
TERS (tip-enhanced Raman scattering) provides exceptional spatial resolution without any need for labelling and has become a versatile tool for biochemical analysis. Two examples will be highlighted here. On the one hand, TERS measurements on a single mitochondrion are discussed, monitoring the oxidation state of the central iron ion of cytochrome c, leading towards a single protein characteriz...
متن کاملRational fabrication of a gold-coated AFM TERS tip by pulsed electrodeposition.
Reproducible fabrication of sharp gold- or silver-coated tips has become the bottleneck issue in tip-enhanced Raman spectroscopy, especially for atomic force microscopy (AFM)-based TERS. Herein, we developed a novel method based on pulsed electrodeposition to coat a thin gold layer over atomic force microscopy (AFM) tips to produce plasmonic TERS tips with high reproducibility. We systematicall...
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ژورنال
عنوان ژورنال: Nanoscale
سال: 2018
ISSN: 2040-3364,2040-3372
DOI: 10.1039/c8nr02225a