DEPOSITION OF COLLOIDAL METAL NANOPARTICLES ON ZINC OXIDE NANORODS AND THEIR INFLUENCE ON VISIBLE PHOTOLUMINESCENCE

被引：0

作者：

Kulmatova, D. ^{[1
,2
]}

Baitimirova, M. ^{[1
]}

Malinovskis, U. ^{[1
]}

Chang, C. -F. ^{[3
]}

Gu, Y. ^{[4
]}

Tamuleviciene, A. ^{[5
]}

Erts, D. ^{[1
,6
]}

Prikulis, J. ^{[1
]}

机构：

[1] Univ Latvia, Inst Chem Phys, 19 Raina Blvd, LV-1586 Riga, Latvia

[2] Natl Univ Uzbekistan, Tashkent 100174, Uzbekistan

[3] Tunghai Univ, Dept Environm Sci & Engn, Taichung 40704, Taiwan

[4] Tunghai Univ, Dept Chem & Mat Engn, Taichung 40704, Taiwan

[5] Kaunas Univ Technol, Inst Mat Sci, K Barsausko 59, LT-51423 Kaunas, Lithuania

[6] Univ Latvia, Dept Chem, 19 Raina Blvd, LV-1586 Riga, Latvia

来源：

LITHUANIAN JOURNAL OF PHYSICS | 2021年 / 61卷 / 03期

关键词：

ZnO nanostructures; plasmonic metal nanoparticles; templated deposition; dip coating; ZNO NANOROD; GOLD NANOPARTICLES; OPTICAL-PROPERTIES; ARRAYS; SPECTROSCOPY; GROWTH;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We examine the influence of colloidal Au and Ag nanoparticles (NP) on hydrothermally grown ZnO nanorods (NR). Individual 60 nm diameter NP and small NP assemblies without formation of large aggregates were deposited on poly-L-lysine covered NR films using the dip-coating method. The evaluation of morphological and optical properties of the obtained ZnO-metal hybrids was done using scanning electron microscopy, photoluminescence (PL) and diffuse reflection spectroscopy. The presence of Au NP selectively suppressed the PL components near 560 nm wavelength associated with ZnO surface defects, whereas equally sized Ag NP resulted in a much smaller change of PL signal, barely above the noise level. The presented results may be useful for tuning the optical properties of hybrid materials in development of sensor or photovoltaic devices.

引用

页码：161 / 168

页数：8

共 39 条

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