Efficient SERS substrates based on laterally ordered gold nanostructures made using interference lithography

被引：8

作者：

Hreshchuk, O. M. ^{[1
]}

Yukhymchuk, V. O. ^{[1
]}

Dzhagan, V. M. ^{[1
,4
]}

Danko, V. A. ^{[1
]}

Minko, V., I ^{[1
]}

Indutnyi, I. Z. ^{[1
]}

Shepeliavyi, P. E. ^{[1
]}

Lytvyn, P. M. ^{[1
]}

Sheregii, E. ^{[2
]}

Prokhorenko, S. ^{[2
,3
]}

Polit, J. ^{[2
]}

Zak, D. ^{[2
]}

Ploch, D. ^{[2
]}

Valakh, M. Ya ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, V Lashkaryov Inst Semicond Phys, 45 Prospect Nauky, UA-03680 Kiev, Ukraine

[2] Univ Rzeszow, Ctr Microelect & Nanotechnol, Ul Pigonia, PL-35959 Rzeszow, Poland

[3] Lviv Polytech Natl Univ, Dept Measuring Informat Technol, Lvov, Ukraine

[4] Taras Shevchenko Natl Univ Kyiv, UA-01601 Kiev, Ukraine

来源：

SEMICONDUCTOR PHYSICS QUANTUM ELECTRONICS & OPTOELECTRONICS | 2019年 / 22卷 / 02期

关键词：

SERS; gold nanostructures; interference lithography; SINGLE-MOLECULE;

D O I：

10.15407/spqeo22.02.215

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Laterally ordered gold nanoisland arrays made using interference lithography has been investigated in this work as SERS substrates. The developed substrates demonstrate performance in enhancing Raman signal of common dye analyte (crystal violet (CV)) comparable to commercial SERS substrates, with the lowest detectable concentration of CV similar to 10(-6)...10(-7) M. They can be reused after heat treatment at 300 degrees C without any drop of performance. Furthermore, we found a principal difference in the effect of annealing of SERS substrates before deposition of the analyte molecules and additional in situ annealing ( with molecules) on the intensity of Raman signal. Possible physical origin of the latter effect has been discussed.

引用

页码：215 / 223

页数：9

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