Photoluminescence and electroluminescence in Langmuir-Blodgett films of poly(3-decylmethoxythiophene)

被引：7

作者：

Bolognesi, A

Botta, C

Bajo, G

Österbacka, R

Östergård, T

Stubb, H

机构：

[1] CNR, Ist Chim Macromol, I-20133 Milan, Italy

[2] Abo Akad Univ, Dept Phys, FIN-20500 Turku, Finland

来源：

SYNTHETIC METALS | 1998年 / 98卷 / 02期

关键词：

photoluminescence; electroluminescence; poly(3-decylmethoxythiophene);

D O I：

10.1016/S0379-6779(98)00178-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The photoluminescence (PL) and electroluminescence (EL) of poly(3-decylmethoxythiophene) have been studied for devices fabricated using both the spin-coating, and Langmuir-Blodgett (LB) technique. Strong thermochromic effects in the FL, correlated to a thermal transition in the polymer, are observed for the spin-coated films while negligible thermal dependence of the PL is observed in the LB films. A blue shift of the EL with respect to PL is observed for the LB films and is associated to partial polymer degradation. By analysing the time evolution of EL during the first minutes of device operation, the processes related to annealing and Al diffusion at the electrode/polymer interface are discussed. (C) 1998 Elsevier Science S.A. All rights reserved.

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页码：123 / 127

页数：5

相关论文

共 16 条

[1] Effect of metal films on the photoluminescence and electroluminescence of conjugated polymers [J].

Becker, H ;

Burns, SE ;

Friend, RH .

PHYSICAL REVIEW B, 1997, 56 (04) :1893-1905

[2] The thermal behaviour of poly(3-octylthienylene) synthesized by an Ni-based catalyst: DSC, optical microscopy and XRD analyses [J].

Bolognesi, A ;

Porzio, W ;

Zhuo, G ;

Ezquerra, T .

EUROPEAN POLYMER JOURNAL, 1996, 32 (09) :1097-1103

[3] PREPARATION OF LANGMUIR-BLODGETT MULTILAYERS WITH DIFFERENTLY SUBSTITUTED POLY(3-ALKYLTHIOPHENES) [J].

BOLOGNESI, A ;

BAJO, G ;

GENG, Z ;

PORZIO, W ;

SPERONI, F .

THIN SOLID FILMS, 1994, 243 (1-2) :683-686

[4] Polarized electroluminescence from an oriented poly(3-alkylthiophene) Langmuir-Blodgett structure [J].

Bolognesi, A ;

Bajo, G ;

Paloheimo, J ;

Ostergard, T ;

Stubb, H .

ADVANCED MATERIALS, 1997, 9 (02) :121-124

[5] ORGANIC POLYMERS BASED ON AROMATIC RINGS (POLYPARAPHENYLENE, POLYPYRROLE, POLYTHIOPHENE) - EVOLUTION OF THE ELECTRONIC-PROPERTIES AS A FUNCTION OF THE TORSION ANGLE BETWEEN ADJACENT RINGS [J].

BREDAS, JL ;

STREET, GB ;

THEMANS, B ;

ANDRE, JM .

JOURNAL OF CHEMICAL PHYSICS, 1985, 83 (03) :1323-1329

[6] THE CHEMICAL AND ELECTRONIC-STRUCTURE OF THE INTERFACE BETWEEN ALUMINUM AND POLYTHIOPHENE SEMICONDUCTORS [J].

DANNETUN, P ;

BOMAN, M ;

STAFSTROM, S ;

SALANECK, WR ;

LAZZARONI, R ;

FREDRIKSSON, C ;

BREDAS, JL ;

ZAMBONI, R ;

TALIANI, C .

JOURNAL OF CHEMICAL PHYSICS, 1993, 99 (01) :664-672

[7] Towards a theoretical design of thermochromic polythiophenes [J].

DiCesare, N ;

Belletete, M ;

Durocher, G ;

Leclerc, M .

CHEMICAL PHYSICS LETTERS, 1997, 275 (5-6) :533-539

[8] Fabrication and properties of light-emitting diodes based on self-assembled multilayers of poly(phenylene vinylene) [J].

Fou, AC ;

Onitsuka, O ;

Ferreira, M ;

Rubner, MF ;

Hsieh, BR .

JOURNAL OF APPLIED PHYSICS, 1996, 79 (10) :7501-7509

[9] Efficient blue LEDs from a partially conjugated Si-containing PPV copolymer in a double-layer configuration [J].

Garten, F ;

Hilberer, A ;

Cacialli, F ;

Esselink, E ;

vanDam, Y ;

Schlatmann, B ;

Friend, RH ;

Klapwijk, TM ;

Hadziioannou, G .

ADVANCED MATERIALS, 1997, 9 (02) :127-131

[10] ALL-ORGANIC FIELD-EFFECT TRANSISTORS MADE OF PI-CONJUGATED OLIGOMERS AND POLYMERIC INSULATORS [J].

HOROWITZ, G ;

DELOFFRE, F ;

GARNIER, F ;

HAJLAOUI, R ;

HMYENE, M ;

YASSAR, A .

SYNTHETIC METALS, 1993, 54 (1-3) :435-445