Optical and electrical characteristics of Ag-doped perylene diimide derivative

被引：21

作者：

Chiu, Tien-Lung ^{[1
,2
]}

Xu, Wei-Feng ^{[1
,2
]}

Lin, Chi-Feng ^{[1
,2
]}

Lee, Jiun-Haw ^{[1
,2
]}

Chao, Chun-Chieh ^{[3
,4
]}

Leung, Man-Kit ^{[3
,4
]}

机构：

[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 10617, Taiwan

[3] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

[4] Natl Taiwan Univ, Inst Polymer Sci & Engn, Taipei 10617, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 01期

关键词：

doping; electrical conductivity; nanoparticles; organic compounds; photoluminescence; silver; surface plasmons; thin films; visible spectra; SOLAR-CELLS; EFFICIENT; HETEROJUNCTIONS; PHOTODETECTORS; NANOPARTICLES; ABSORPTION; MIXTURES; POLYMER; CATHODE; DIODES;

D O I：

10.1063/1.3068493

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this paper, a highly conductive and strongly absorptive organic thin film by doping Ag into N,N(')-bis (2,6-di-isopropylphenyl)-1,7-bis (4-methoxy-phenyl) perylene-3,4,9,10-tetracarboxydiimide (MPPDI) was demonstrated. Strong absorption resulted from the broadband absorption of MPPDI at visible range and plasmon-enhanced absorption around 420 nm of Ag nanoparticles. Ag dopants in MPPDI acted as quenchers, which resulted in a dramatic decrease in photoluminescence intensity of MPPDI. Besides, J-V characteristics of Ag:MPPDI thin film changed from trapped-charge-limited current to Ohmic conduction with increasing Ag concentrations. Conductivity of 1.15x10(-6) Omega cm was achieved when MPPDI/Ag=5:1. This organic thin film has potential applications for low-reflectance organic light-emitting diode and organic photovoltaic device.

引用

页数：3

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