Localized surface plasmon resonance in the IR regime

被引：15

作者：

Sardana, Ncha ^{[1
,2
]}

Talalacv, Vadim ^{[1
,3
]}

Heyroth, Frank ^{[4
]}

Schmidt, Georg ^{[4
]}

Bohley, Christian ^{[1
]}

Sprafke, Alexander ^{[1
]}

Schilling, Joerg ^{[1
]}

机构：

[1] Univ Halle Wittenberg, Ctr Innovat Competence SiLi Nano, D-06120 Halle, Saale, Germany

[2] Habitat Ctr, Inst Nano Sci & Technol, Mohali 160062, Punjab, India

[3] Max Planck Inst Microstruct Phys, D-06120 Halle, Germany

[4] Univ Halle Wittenberg, Interdisciplinary Ctr Mat Sci, D-06120 Halle, Saale, Germany

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 01期

关键词：

NANOPARTICLE; ARRAYS;

D O I：

10.1364/OE.24.000254

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Arrays of differently sized disk shaped gold nanoantennas are prepared on glass, which show localized surface plasmon resonance and Rayleigh anomalies in the near infrared and telecom range between 1000 and 1500nm wavelength. The spectral position of these grating resonances depends critically on the period of the array and the size of the nanoantennas. When PbS quantum dots embedded in PMMA surround the nanoantennas, an up to four fold enhancement of the photoluminescence is observed at the grating resonances due to the constructive diffractive feedback among neighboring antennas. In accordance with the grating resonances a shift of the emission towards smaller wavelengths with decreasing disk diameter is demonstrated. (C) 2016 Optical Society of America

引用

页码：254 / 261

页数：8

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