Nanoscale photoluminescence of light-emitting poly (3-methylthiophene) nanotubes hybridized with Au nanoparticles

被引：9
作者：
Park, Dong Hyuk [1 ]
Hong, Young Ki [1 ]
Kim, Mi Sul [1 ]
Cho, Eun Hei [1 ]
Choi, Won Jun [1 ]
Kim, Kyung Ho [1 ]
Park, Q. -Han [1 ]
Kim, Dae-Chul [2 ]
Song, Hugeun [2 ]
Kim, Jeongyong [2 ]
Joo, Jinsoo [1 ]
机构：
[1] Korea Univ, Dept Phys, Seoul 136713, South Korea
[2] Univ Incheon, Dept Phys, Inchon 406772, South Korea
来源：
SYNTHETIC METALS | 2010年 / 160卷 / 7-8期
关键词：
Hybrid nanotube; Poly (3-methylthiophene); Au nanoparticle; Laser confocal microscope; Photoluminescence; Surface plasmon resonance; Local field enhancement; CARBON NANOTUBES; METAL;
D O I：
10.1016/j.synthmet.2009.12.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We reported on the fabrication and nanoscale luminescence characteristics of the hybrid nanotubes (NTs) of light-emitting poly (3-methylthiophene) (P3MT) NT with gold (Au) nanoparticles (NPs) (P3MT/Au-NPs). After hybridizing the Au-NPs onto the surface of P3MT NTs, the light-emitting color of P3MT NTs was dramatically changed from a green to a bright red. From laser confocal microscope photoluminescence (PL) experiments for an isolated single strand of the NTs, we observed a similar to 220 times enhancement of the PL peak intensity for the hybrid NT of P3MT/Au-NPs compared to that of the P3MT single NT. The enhancement PL efficiency of the hybrid NT of P3MT/Au-NPs can be explained in terms of a surface plasmon resonance (SPR) and nanoscale local electric field enhancement effects. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：604 / 608
页数：5
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