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Authors: Alexey N. Smirnov ; Olga V. Odintsova and Elena V. Solovyeva

Affiliation: Chemistry Institute, Saint-Petersburg State University, 26 Universitetsky pr., Peterhof, Saint-Petersburg and Russia

Keyword(s): SERS, Raman, Stilbenes, Amines, Hot Spots, Ag Nanoparticles.

Abstract: In the recent years, there has been a growing interest in development of smart photoactive materials with variable properties. This work presents the SERS study of behaviour of organometallic composites obtained by modification of Ag nanoparticles in hydrosols with several amino derivatives of stilbene. The feasibility of bifunctional stilbenes to be the molecular linkers of Ag nanoparticles is discussed. The hot spots activity of such modified Ag nanoparticles is considered. Two exciting but not fully understood finding were made: i) tertiary amines can be used as the effective molecular linkers; ii) the structure of central fragment between two benzyl rings has a strong influence on the modifier ability to incorporate the Ag nanoparticles into agglomerates with hot spots. The limitations consisting in the pH value and the presence of chloride ions are described for a potential application of the developed hot spots substrates.

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Paper citation in several formats:
Smirnov, A.; Odintsova, O. and Solovyeva, E. (2019). New Photonic Materials based on Ag Nanoparticles Modified with Stilbene Dyes and Its Peculiar Behavior Studied with SERS. In Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-364-3; ISSN 2184-4364, SciTePress, pages 263-267. DOI: 10.5220/0007569302630267

@conference{photoptics19,
author={Alexey N. Smirnov. and Olga V. Odintsova. and Elena V. Solovyeva.},
title={New Photonic Materials based on Ag Nanoparticles Modified with Stilbene Dyes and Its Peculiar Behavior Studied with SERS},
booktitle={Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2019},
pages={263-267},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007569302630267},
isbn={978-989-758-364-3},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - New Photonic Materials based on Ag Nanoparticles Modified with Stilbene Dyes and Its Peculiar Behavior Studied with SERS
SN - 978-989-758-364-3
IS - 2184-4364
AU - Smirnov, A.
AU - Odintsova, O.
AU - Solovyeva, E.
PY - 2019
SP - 263
EP - 267
DO - 10.5220/0007569302630267
PB - SciTePress

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