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  Enhanced Raman spectroscopy: Single molecules or carbon?

Domke, K. F., Zhang, D., & Pettinger, B. (2007). Enhanced Raman spectroscopy: Single molecules or carbon? Journal of Physical Chemistry C, 111(24), 8611-8616. doi:10.1021/jp071519l.

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737445CTA.pdf (Copyright transfer agreement), 657KB
 
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 Creators:
Domke, Katrin Friederike1, Author           
Zhang, Dai1, Author           
Pettinger, Bruno1, Author           
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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Free keywords: single-molecule spectroscopy; near-field; surface-enhanced Raman spectroscopy (SERS); tip-enhanced Raman spectroscopy (TERS); surface selection rules; carbon contamination; spectral blinking
 Abstract: The analysis of single molecules instead of a molecular ensemble provides a more detailed insight into molecular states and environment. Surface- and also tip-enhanced (resonance) Raman spectroscopy are becoming an interesting alternative to, in this respect, commonly employed fluorescence spectroscopy because of the much richer spectral information that is obtained from unmodified, label-free species. However, sometimes it is difficult to distinguish between the target molecule and contamination or decomposition of the sample, and unfortunately, it is not always ensured that the observed Raman features actually stem from the investigated species. The important question that arises in enhanced Raman studies addressed here is how to distinguish between the target molecule and the carbonaceous species.

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Language(s): eng - English
 Dates: 2007-05-27
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 300501
DOI: 10.1021/jp071519l
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Title: Journal of Physical Chemistry C
  Alternative Title : J. Phys. Chem. C
Source Genre: Journal
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Pages: - Volume / Issue: 111 (24) Sequence Number: - Start / End Page: 8611 - 8616 Identifier: -