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          Institute: Fritz-Haber-Institut     Collection: Physical Chemistry     Display Documents



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ID: 476393.0, Fritz-Haber-Institut / Physical Chemistry
Single-molecule surface- and tip-enhanced Raman spectroscopy
Authors:Pettinger, Bruno
Language:English
Date of Publication (YYYY-MM-DD):2010-08-16
Title of Journal:Molecular Physics
Journal Abbrev.:Mol. Phys.
Volume:108
Issue / Number:16
Start Page:2039
End Page:2059
Copyright:© 2010 Taylor & Francis
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:A review is given on single-molecule surface- and tip-enhanced Raman spectroscopy (SERS and TERS). It sketches the historical development along different routes toward huge near-field enhancements, the basis of single-molecule enhanced Raman spectroscopy; from SNOM to apertureless SNOM to tip-enhanced Raman spectroscopy (TERS) and microscopy; from SERS to single-molecule SERS to single-molecule TERS. The claim of extremely high enhancement factors of 1014 in single-molecule SERS is critically discussed, in particular in the view of recent experimental and theoretical results that limits the electromagnetic enhancement to ≤ 1011.
In the field of TERS only very few reports on single-molecule TERS exist: single-molecule TERS on dyes and on a protein (cytochrome c). In the latter case, TERS 'sees' even subunits of this protein, either amino-acids or the heme, depending on the orientation of the protein relative to the tip. The former case concerns the dye brilliant cresyl blue adsorbed either on a Au surface under ambient conditions or on a Au(111) surface in ultra high vacuum. These results indicate that significant progress is to be expected for TERS in general and for single-molecule TERS in particular.
External Publication Status:published
Document Type:Article
Communicated by:Martin Wolf
Affiliations:Fritz-Haber-Institut/Physical Chemistry
Identifiers:URL:http://www.informaworld.com/smpp/content~content=a...
DOI:10.1080/00268976.2010.506891
URL:http://dx.doi.org/10.1080/00268976.2010.506891
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