2D polymer/metal structures for surface plasmon resonance

被引：10

作者：

Urbancova, Petra ^{[1
]}

Goraus, Matej ^{[1
]}

Pudis, Dusan ^{[1
]}

Hlubina, Petr ^{[2
]}

Kuzma, Anton ^{[3
]}

Jandura, Daniel ^{[1
]}

Durisova, Jana ^{[1
]}

Micek, Patrik ^{[1
]}

机构：

[1] Univ Zilina, Fac Elect Engn & Informat Technol, Dept Phys, Univ 1, Zilina 01026, Slovakia

[2] Tech Univ Ostrava, Dept Phys, 17 Listopadu 2172-15, Ostrava 70800, Czech Republic

[3] Slovak Univ Technol Bratislava, Fac Elect Engn & Informat Technol, Inst Elect & Phototon, Ilkovicova 3, Bratislava 81219 1, Slovakia

来源：

APPLIED SURFACE SCIENCE | 2020年 / 530卷

关键词：

Surface plasmon resonance; 2D grating structure; 3D laser lithography; IP-Dip; REFRACTIVE-INDEX; OPTICAL-PROPERTIES; BIOSENSORS; SENSORS; SPR;

D O I：

10.1016/j.apsusc.2020.147279

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this paper, we present a new type of polymer/metal structures for surface plasmon resonance (SPR) applications. The polymer structures with different periods were fabricated by a single-step 3D laser lithography using direct laser writing process based on non-linear two-photon absorption. Prepared polymer structures were coated by a thin film of gold. The morphological properties of final SPR structures were analyzed using a scanning electron microscope and atomic force microscope. The reflection spectra of the SPR structure with a defined period were simulated using a finite-difference time-domain method. The prepared structures show a sharp spectral dip due to the SPR effect in reflection measurements in a visible spectral range. The effect of SPR was also investigated in the angular dependence and confirmed the strong effect of 2D grating on SPR dip formation.

引用

页数：6

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