Plasmon-exciton coupling in nanostructured metal-semiconductor composite films

被引：9

作者：

Savchuk, Viktoriia V. ^{[1
,2
]}

Gamernyk, Roman V. ^{[3
]}

Virt, Ihor S. ^{[4
]}

Malynych, Serhiy Z. ^{[5
,6
]}

Pinchuk, Anatoliy O. ^{[1
,2
]}

机构：

[1] Univ Colorado, Dept Phys & Energy Sci, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918 USA

[2] Univ Colorado, Ctr Biofrontiers Inst, 1420 Austin Bluffs Pkwy, Colorado Springs, CO 80918 USA

[3] Ivan Franko Natl Univ Lviv, Dept Phys, UA-79005 Lvov, Ukraine

[4] Ivan Franko Drogobych State Pedag Univ, Dept Engn Sci & Technol, UA-82106 Drogobych, Ukraine

[5] Hetman Petro Sahaidachnyi Natl Army Acad, Dept Electromech & Elect, UA-79012 Lvov, Ukraine

[6] Lviv Polytech Natl Univ, Dept Photon, UA-79013 Lvov, Ukraine

来源：

AIP ADVANCES | 2019年 / 9卷 / 04期

关键词：

OPTICAL-PROPERTIES;

D O I：

10.1063/1.5090900

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nonlinear optical response of metal-semiconductor Zn0.8Co0.2O/Au nanocomposite films was studied experimentally and theoretically. Z-scan measurements revealed a positive nonlinear index of refraction of the composite film. Fluorescent spectroscopy measurements exhibited a narrow sharp peak that might be attributed to exciton peak of semiconductor nanostructured thin film enhanced by nearby gold nanoparticles. Classical electrodynamic calculations of a quantum dot in close proximity to a gold nanoparticle agree well with the experimentally observed normalized quantum efficiency. (C) 2019 Author(s).

引用

页数：6

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