A light-emitting device based on a CdTe nanocrystal/polyaniline composite

被引：99

作者：

Gaponik, NP ^{[1
]}

Talapin, DV

Rogach, AL

机构：

[1] Belarusian State Univ, Inst Physicochem Problems, Minsk 220050, BELARUS

[2] Univ Hamburg, Inst Phys Chem, D-20146 Hamburg, Germany

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 1999年 / 1卷 / 08期

关键词：

D O I：

10.1039/a808619b

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

CdTe nanocrystal/polyaniline composite films as well as films of closely packed CdTe nanocrystals were used to fabricate light-emitting devices with low turn-on voltages [similar to 2.5 V for a device with a Mg cathode and an indium tin oxide (ITO) anode]. In principle, the emitted colour is tunable from green to red, depending on the size of the nanocrystals. The use of the particle loaded polyaniline him as the light-emitting layer results in a considerable enhancement of the quantum efficiency in comparison with the polymer-free device with closely packed CdTe nanocrystals. The light-emitting devices are found to work more efficiently in a pulsed mode than under continuous operation.

引用

页码：1787 / 1789

页数：3

共 16 条

[1] Electroluminescence in thin solid films of closely packed CdS nanocrystals
Artemyev, MV
Sperling, V
Woggon, U
[J]. JOURNAL OF APPLIED PHYSICS, 1997, 81 (10) : 6975 - 6977
[2] White-light emission from electroluminescence diode with polyaniline as the emitting layer
Chen, SA
Chuang, KR
Chao, CI
Lee, HT
[J]. SYNTHETIC METALS, 1996, 82 (03) : 207 - 210
[3] COLVIN VL, 1994, NATURE, V370, P354, DOI 10.1038/370354a0
[4] ELECTROLUMINESCENCE FROM CDSE QUANTUM-DOT POLYMER COMPOSITES
DABBOUSI, BO
BAWENDI, MG
ONITSUKA, O
RUBNER, MF
[J]. APPLIED PHYSICS LETTERS, 1995, 66 (11) : 1316 - 1318
[5] White-light electroluminescence from a self-assembled Q-CdSe/PPV multilayer structures
Gao, MY
Richter, B
Kirstein, S
[J]. ADVANCED MATERIALS, 1997, 9 (10) : 802 - &
[6] Strongly photoluminescent CdTe nanocrystals by proper surface modification
Gao, MY
Kirstein, S
Möhwald, H
Rogach, AL
Kornowski, A
Eychmüller, A
Weller, H
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 1998, 102 (43): : 8360 - 8363
[7] Electroluminescence studies on self-assembled films of PPV and CdSe nanoparticles
Gao, MY
Richter, B
Kirstein, S
Mohwald, H
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 1998, 102 (21): : 4096 - 4103
[8] GAPONIK N, UNPUB
[9] THE PLASTIC LED - A FLEXIBLE LIGHT-EMITTING DEVICE USING A POLYANILINE TRANSPARENT ELECTRODE
GUSTAFSSON, G
TREACY, GM
CAO, Y
KLAVETTER, F
COLANERI, N
HEEGER, AJ
[J]. SYNTHETIC METALS, 1993, 57 (01) : 4123 - 4127
[10] CARRIER INJECTION INTO SEMICONDUCTING POLYMERS - FOWLER-NORDHEIM FIELD-EMISSION TUNNELING
HEEGER, AJ
PARKER, ID
YANG, Y
[J]. SYNTHETIC METALS, 1994, 67 (1-3) : 23 - 29

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