Plasmonic Structures Based on Hydroxyapatite/Silver Nanocomposite for Surface-Enhanced Raman Spectroscopy

被引：2

作者：

Panarin, A. Yu. ^{[1
]}

Abakshonok, A. V. ^{[2
]}

Mojzes, P. ^{[3
]}

Terekhov, S. N. ^{[1
]}

机构：

[1] Natl Acad Sci Belarus, BI Stepanov Inst Phys, Minsk, BELARUS

[2] Natl Acad Sci Belarus, Inst Chem New Mat, Minsk, BELARUS

[3] Charles Univ Prague, Inst Phys, Prague, Czech Republic

来源：

JOURNAL OF APPLIED SPECTROSCOPY | 2021年 / 88卷 / 05期

关键词：

nanocomposite; silver; hydroxyapatite; surface-enhanced Raman scattering; plasmonic films; SERS; SUPPRESSION; SCATTERING;

D O I：

10.1007/s10812-021-01269-2

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

A hydroxyapatite-silver nanocomposite (HA)Ag in which one silver nanoparticle is bound to each HA particle was synthesized with glucose as reducing agent,. The structural and optical properties of the nanocomposite were investigated. The procedure for the formation of plasmonic films of (HA)Ag on glass substrates surface was optimized. The role of modification of the glass surface with polyethyleneimine in the formation of homogeneous plasmonic coatings was demonstrated. The surface-enhanced Raman spectra (SERS) of the cationic porphyrin CuTMpyP4 adsorbed on the surface of the (HA)Ag fi lm were measured. The detection limit of CuTMpyP4 was established as 10 -12 M, which is comparable with the sensitivity of the well-known solid-state SERS-active materials.

引用

页码：980 / 986

页数：7

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