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In-situ SERS monitoring of photochemistry within a nano-junction reactor

In-situ SERS monitoring of photochemistry within a nano-junction reactor
In-situ SERS monitoring of photochemistry within a nano-junction reactor
We demonstrate a powerful SERS-nanoreactor concept composed of self-assembled gold nanoparticles (AuNP) linked by the sub-nm macrocycle cucurbit[n]uril (CB[n]). The CB[n] functions simultaneously as a nanoscale reaction vessel, sequestering and templating a photoreaction within, and also as a powerful SERS-transducer through the large field enhancements generated within the nanojunctions that CB[n]s define. Through the enhanced Raman fingerprint, the real-time SERS-monitoring of a prototypical stilbene photoreaction is demonstrated. By choosing the appropriate CB[n] nanoreactor, selective photoisomerism or photodimerization is monitored in situ from within the AuNP-CB[n] nanogap.
1530-6984
Taylor, Richard William
1d579bbd-93d9-4e88-b8a9-48c0e6110b1d
Coulston, Roger J.
8761462e-9d5e-4d05-8945-9d077237441b
Biedermann, Frank
0197e5da-cc0d-439a-9ada-757512a20372
Mahajan, S.
b131f40a-479e-4432-b662-19d60d4069e9
Baumberg, Jeremy J.
51423b5f-bdb8-4851-8d50-472253ceb12c
Scherman, Oren A.
4889711e-5279-4211-b6ae-bbe70846e1ef
Taylor, Richard William
1d579bbd-93d9-4e88-b8a9-48c0e6110b1d
Coulston, Roger J.
8761462e-9d5e-4d05-8945-9d077237441b
Biedermann, Frank
0197e5da-cc0d-439a-9ada-757512a20372
Mahajan, S.
b131f40a-479e-4432-b662-19d60d4069e9
Baumberg, Jeremy J.
51423b5f-bdb8-4851-8d50-472253ceb12c
Scherman, Oren A.
4889711e-5279-4211-b6ae-bbe70846e1ef

Taylor, Richard William, Coulston, Roger J., Biedermann, Frank, Mahajan, S., Baumberg, Jeremy J. and Scherman, Oren A. (2013) In-situ SERS monitoring of photochemistry within a nano-junction reactor. Nano Letters. (doi:10.1021/nl403164c).

Record type: Article

Abstract

We demonstrate a powerful SERS-nanoreactor concept composed of self-assembled gold nanoparticles (AuNP) linked by the sub-nm macrocycle cucurbit[n]uril (CB[n]). The CB[n] functions simultaneously as a nanoscale reaction vessel, sequestering and templating a photoreaction within, and also as a powerful SERS-transducer through the large field enhancements generated within the nanojunctions that CB[n]s define. Through the enhanced Raman fingerprint, the real-time SERS-monitoring of a prototypical stilbene photoreaction is demonstrated. By choosing the appropriate CB[n] nanoreactor, selective photoisomerism or photodimerization is monitored in situ from within the AuNP-CB[n] nanogap.

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More information

Published date: 4 November 2013
Organisations: Institute for Life Sciences, Molecular Diagnostics & Thereputics

Identifiers

Local EPrints ID: 360183
URI: http://eprints.soton.ac.uk/id/eprint/360183
ISSN: 1530-6984
PURE UUID: 113a4022-3e42-4db8-a3d5-79dd356f38ca
ORCID for S. Mahajan: ORCID iD orcid.org/0000-0001-8923-6666

Catalogue record

Date deposited: 28 Nov 2013 13:40
Last modified: 09 Nov 2021 03:16

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Contributors

Author: Richard William Taylor
Author: Roger J. Coulston
Author: Frank Biedermann
Author: S. Mahajan ORCID iD
Author: Jeremy J. Baumberg
Author: Oren A. Scherman

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