The effect of hyperenhancement of Raman scattering (RS) appearing on microcracks of the metal deposition (silver and gold) of uniaxially stretched polymer track-etched membranes is investigated. Deformation of membranes with a combination of high surface density and small diameter of their pores leads to the development of many microcracks in the metal coating. The efficiency of the surface enhancement RS (SERS) of the synthesized metasurfaces has been investigated on the example of organic compound malachite green, and the possibility to recognize extremely low fractions of the substance was demonstrated. An increase in the SERS signal with an increase in the deformation of the samples and even greater enhancement after their unloading and relaxation were found. The experiment on tensile strain and relaxation of the deformation of the samples and the consequent change in their electrical conductivity confirm the assumption that SERS appears on microcracks edges with a rather small distance between their boundaries. The SERS technique is proposed to analyze the formation of micro- and nanocracks on metal coatings.
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21 January 2022
Research Article|
January 18 2022
Toward single-molecule surface-enhanced Raman scattering with novel type of metasurfaces synthesized by crack-stretching of metallized track-etched membranes
Special Collection:
The Ever-Expanding Optics of Single-Molecules and Nanoparticles
N. P. Kovalets
;
N. P. Kovalets
a)
1
Federal State Budgetary Educational Institution of Higher Education (Moscow Pedagogical State University)
, Malaya Pirogovskaya St. 1-1, 119991 Moscow, Russia
a)Author to whom correspondence should be addressed: np_kovalets@mail.ru. URL: http://www.single-molecule.ru
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E. P. Kozhina;
E. P. Kozhina
2
Lebedev Physical Institute RAS
, Leninsky Prosp. 53, 119991 Moscow, Russia
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I. V. Razumovskaya;
I. V. Razumovskaya
1
Federal State Budgetary Educational Institution of Higher Education (Moscow Pedagogical State University)
, Malaya Pirogovskaya St. 1-1, 119991 Moscow, Russia
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S. A. Bedin
;
S. A. Bedin
1
Federal State Budgetary Educational Institution of Higher Education (Moscow Pedagogical State University)
, Malaya Pirogovskaya St. 1-1, 119991 Moscow, Russia
2
Lebedev Physical Institute RAS
, Leninsky Prosp. 53, 119991 Moscow, Russia
3
Center of Crystallography and Photonics of RAS
, Leninskii Prosp. 59, 119333 Moscow, Russia
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A. A. Piryazev;
A. A. Piryazev
4
Department of Chemistry, Moscow State University
, 119991 Moscow, Russia
5
IPCP RAS
, Semenov Prospect 1, Chernogolovka 141432, Russia
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Yu. V. Grigoriev;
Yu. V. Grigoriev
3
Center of Crystallography and Photonics of RAS
, Leninskii Prosp. 59, 119333 Moscow, Russia
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A. V. Naumov
A. V. Naumov
1
Federal State Budgetary Educational Institution of Higher Education (Moscow Pedagogical State University)
, Malaya Pirogovskaya St. 1-1, 119991 Moscow, Russia
2
Lebedev Physical Institute RAS
, Leninsky Prosp. 53, 119991 Moscow, Russia
6
Laboratory for Spectroscopy of Electronic Spectra of Molecules, Institute for Spectroscopy RAS
, 108840 Troitsk, Moscow, Russia
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a)Author to whom correspondence should be addressed: np_kovalets@mail.ru. URL: http://www.single-molecule.ru
Note: This paper is part of the JCP Special Topic on The Ever-Expanding Optics of Single-Molecules and Nanoparticles.
J. Chem. Phys. 156, 034902 (2022)
Article history
Received:
November 12 2021
Accepted:
December 22 2021
Citation
N. P. Kovalets, E. P. Kozhina, I. V. Razumovskaya, S. A. Bedin, A. A. Piryazev, Yu. V. Grigoriev, A. V. Naumov; Toward single-molecule surface-enhanced Raman scattering with novel type of metasurfaces synthesized by crack-stretching of metallized track-etched membranes. J. Chem. Phys. 21 January 2022; 156 (3): 034902. https://doi.org/10.1063/5.0078451
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