Enhanced electroluminescence of organic light-emitting diodes by using halloysite nanotubes

被引：2
|
作者：
Mondragon, Margarita [1 ]
Moggio, Ivana [2 ]
de-Leon, Arxel [2 ]
Arias, Eduardo [2 ]
机构：
[1] ESIME Azcapotzalco, Inst Politecn Nacl, Mexico City 02250, DF, Mexico
[2] CIQA, Ctr Invest Quim Aplicada, Saltillo 25253, Coahuila, Mexico
来源：
JOURNAL OF LUMINESCENCE | 2013年 / 144卷
关键词：
Photoluminescence; Electroluminescence; MEH-PPV composites; OLEDs; PHOTOLUMINESCENCE QUANTUM YIELD; MEH-PPV FILMS; CONJUGATED POLYMERS; THIN-FILMS; NANOCOMPOSITES; NANOPARTICLES; PPV/SIO2; DEVICES;
D O I：
10.1016/j.jlumin.2013.06.048
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The effect of halloysite clay nanotubes (HNTs) on the optical and electronic properties of poly(2methoxy-5-[2'-ethylhexyloxy]-1,4-phenylenevinylene) (MEH-PPV) have been investigated. The UV-vis absorption band of the conjugated polymer remains unchanged upon the incorporation of halloysite nanotubes (HNTs). Photoluminescence (PL) measurements reveal a decreased quantum yield in the MEH-PPV/HNTs nanocomposites, compared with bulk MEH-PPV. Improvement of the electroluminescence of organic light-emitting diodes (OLEDs) was achieved by incorporating high contents of HNTs. The nanotubes act to enhanced polymer aggregates, as revealed by AFM analysis, thus increasing charge transport and therefore electroluminescence but also decreasing PL quantum yield. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：176 / 179
页数：4
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