Published June 2007 | Version v1
Journal article Metadata-only

Enhanced Efficiency of Polymer Light-Emitting Diodes by Dispersing Dehydrated Nanotube Titanic Acid in the Hole-buffer Layer

Creators

  • 1. Beijing Jiaotong University, Institute of Optoelectronic Technology (China)
  • 2. Henan University, Key Laboratory on special functional materials (China)
  • 3. State Key Laboratory for Artificial Microstructures and Mesoscopic Physics, Peking University, Department of Physics (China)

Description

Efficiency of polymer light-emitting diodes (PLEDs) with poly(2-methoxy-5-(2-ethyl hexyloxy)-p-phenylene vinylene) (MEH-PPV) as an emitting layer was improved if a dehydrated nanotubed titanic acid (DNTA) doped hole-buffer layer polyethylene dioxythiophene (PEDOT) was used. Photoluminescence (PL) and Raman spectra indicated a stronger interaction between DNTA and sulfur atom in thiophene of PEDOT, which suppresses the chemical interaction between vinylene of MEH-PPV and thiophene of PEDOT. The interaction decreases the defect states in an interface region to result in enhancement in device efficiency, even though the hole transporting ability of PEDOT was decreased

Additional details

Identifiers

DOI
10.1007/s11051-006-9119-0;

Publishing Information

Journal Title
Journal of Nanoparticle Research
Journal Volume
9
Journal Issue
3
Journal Page Range
p. 523-527
ISSN
1388-0764

INIS

Country of Publication
Netherlands
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
39094327
Subject category
S36: MATERIALS SCIENCE;
Descriptors DEI
COMPOSITE MATERIALS; DOPED MATERIALS; INTERFACES; LAYERS; LIGHT EMITTING DIODES; NANOTUBES; PHOTOLUMINESCENCE; POLYCYCLIC SULFUR HETEROCYCLES; POLYETHYLENES; RAMAN SPECTRA; STRONG INTERACTIONS; THIOPHENE
Descriptors DEC
BASIC INTERACTIONS; EMISSION; HETEROCYCLIC COMPOUNDS; INTERACTIONS; LUMINESCENCE; MATERIALS; NANOSTRUCTURES; ORGANIC COMPOUNDS; ORGANIC POLYMERS; ORGANIC SULFUR COMPOUNDS; PHOTON EMISSION; POLYMERS; POLYOLEFINS; SEMICONDUCTOR DEVICES; SEMICONDUCTOR DIODES; SPECTRA

Optional Information

Copyright
Copyright (c) 2006 Springer Science+Business Media, Inc.