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Proceedings Paper

Fabrication and simulation of silver nanostructures on different types of porous silicon for surface enhanced Raman spectroscopy
Author(s): Sergey Redko ; Alexey Dolgiy; Dmitri Zhigulin; Victor Kholyavo; Nadia Khinevich; Siargei Zavatski; Hanna Bandarenka
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Paper Abstract

In this paper, we propose a systematic approach to controllably fabricate silver nanoparticles, dendrites and nanovoids on porous template based on silicon and two-step wet process. Geometry of metallic structures was managed by variation of dopant type of silicon, regimes of template formation and deposition of silver. General models of each structure were developed and studied for distribution and strength of electric field arising in them under 473, 633 and 785 nm lasers. Simulation results revealed reasons of variable activity of fabricated structures in surface enhanced Raman spectroscopy, which allowed to define optimal conditions of analysis of target molecules.

Paper Details

Date Published: 26 February 2019
PDF: 10 pages
Proc. SPIE 10912, Physics and Simulation of Optoelectronic Devices XXVII, 109121O (26 February 2019); doi: 10.1117/12.2511299
Show Author Affiliations
Sergey Redko , Belarusian State Univ. of Informatics and Radioelectronics (Belarus)
Alexey Dolgiy, Belarusian State Univ. of Informatics and Radioelectronics (Belarus)
Dmitri Zhigulin, INTEGRAL Joint Stock Co. (Belarus)
Victor Kholyavo, Belarusian State Univ. of Informatics and Radioelectronics (Belarus)
Nadia Khinevich, Belarusian State Univ. of Informatics and Radioelectronics (Belarus)
Siargei Zavatski, Belarusian State Univ. of Informatics and Radioelectronics (Belarus)
Hanna Bandarenka, Belarusian State Univ. of Informatics and Radioelectronics (Belarus)


Published in SPIE Proceedings Vol. 10912:
Physics and Simulation of Optoelectronic Devices XXVII
Bernd Witzigmann; Marek Osiński; Yasuhiko Arakawa, Editor(s)

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