Synthesis of poly(N-aryl-2,7-carbazole)s for efficient blue electroluminescence materials

被引：24

作者：

Koguchi, Ryohei ^{[1
]}

Kobayashi, Norifumi ^{[1
]}

Shinnai, Toshinobu ^{[2
]}

Oikawa, Kazuma ^{[2
]}

Tsuchiya, Kazuhiko ^{[2
]}

Kijima, Masashi ^{[1
]}

机构：

[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan

[2] Cent Res Lab, Technol & Dev Div, Soka, Saitama 3400003, Japan

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2008年 / 209卷 / 04期

关键词：

conjugated polymers; fluorescence; light-emitting diodes (LEDs); polycarbazole;

D O I：

10.1002/macp.200700448

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Several poly(N-phenyl-2,7-carbazole)s that have dialkoxy groups at the m- and p-positions (PmpCzDC, PmpPhDC, PmpCBiDC, PmpEHC), a silyl group at the p-position (PpPhDSiC), and a diphenylamino group (PmPhDAC, PmEHAC) at the m-position of the N-phenyl portion are synthesized, and their optical properties are characterized. These polymers have been used as emitting layer materials of organic light-emitting a configuration of ITO/PEDOT(PSS)/polymer/CsF/Al. The diode (OLED) devices that have OLED devices embedded with PmpCzDC, PmpPhDC, and PmpEHC show intense luminance of about 15 000 cd.m(-2) with efficiencies of about 1 cd.A(-1), while the devices embedded with PpPhDSiC, PmPhDAC, and PmEHAC show less luminance but retain the color purity of blue emission under a wide range of applied voltages.

引用

页码：439 / 449

页数：11

共 31 条

[1] Azocarbazole polymethacrylates as single-component electrooptic materials [J].

Barrett, C ;

Choudhury, B ;

Natansohn, A ;

Rochon, P .

MACROMOLECULES, 1998, 31 (15) :4845-4851

[2]

BEAUPRE S, 2002, ADV FUNCT MATER, P12

[3] Polarized light emission from LEDs prepared by the Langmuir-Blodgett technique [J].

Cimrova, V ;

Remmers, M ;

Neher, D ;

Wegner, G .

ADVANCED MATERIALS, 1996, 8 (02) :146-&

[4] Electroluminescence in conjugated polymers [J].

Friend, RH ;

Gymer, RW ;

Holmes, AB ;

Burroughes, JH ;

Marks, RN ;

Taliani, C ;

Bradley, DDC ;

Dos Santos, DA ;

Brédas, JL ;

Lögdlund, M ;

Salaneck, WR .

NATURE, 1999, 397 (6715) :121-128

[5] High molecular weight dendronized poly(fluorene)s with peripheral carbazole groups: Synthesis, characterization, and properties [J].

Fu, YQ ;

Li, Y ;

Li, J ;

Yan, S ;

Bo, ZS .

MACROMOLECULES, 2004, 37 (17) :6395-6400

[6] Organic light emitting devices containing a highly substituted isoindole or polyisoindole [J].

Gauvin, S ;

Santerre, F ;

Dodelet, JP ;

Ding, Y ;

Hlil, AR ;

Hay, AS ;

Anderson, J ;

Armstrong, NR ;

Gorjanc, TC ;

D'Iorio, M .

THIN SOLID FILMS, 1999, 353 (1-2) :218-222

[7] Preparation and properties of 2,7-linked N-alkyl-9H-carbazole main-chain polymers [J].

Iraqi, A ;

Wataru, I .

CHEMISTRY OF MATERIALS, 2004, 16 (03) :442-448

[8] Blue light emitting poly(N-arylcarbazol-2,7-ylene)s [J].

Kijima, M ;

Koguchi, R ;

Abe, S .

CHEMISTRY LETTERS, 2005, 34 (07) :900-901

[9] Blue light emitting polymers [J].

Kim, DY ;

Cho, HN ;

Kim, CY .

PROGRESS IN POLYMER SCIENCE, 2000, 25 (08) :1089-1139

[10] Synthesis and characterization of new blue light emitting material with tetraphenylsilyl [J].

Kim, JU ;

Lee, HB ;

Shin, JS ;

Kim, YH ;

Joe, YK ;

Oh, HY ;

Park, CG ;

Kwon, SK .

SYNTHETIC METALS, 2005, 150 (01) :27-32

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