Electrogenerated chemiluminescence from phosphorescent molecules used in organic light-emitting diodes

被引：67

作者：

Gross, EM

Armstrong, NR

Wightman, RM

机构：

[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA

[2] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2002年 / 149卷 / 05期

关键词：

D O I：

10.1149/1.1464137

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The role of triplet states in the electrogenerated chemiluminescence (ECL) of organic light-emitting diode (OLED) materials was investigated. The spectroscopic, electrochemical, and electrochemiluminescent properties of two phosphorescent materials, platinum(II) octaethylporphyrin (PtOEP) and tris(2-phenylpyridine)iridium(II) [Ir(ppy)(3)] are described. Radical cations and anions of PtOEP were generated in solution and recombined to produce ECL. The ECL from PtOEP was less than a 9,10-diphenylanthracene (DPA) standard. Ir(ppy)(3) could be electro-oxidized and reduced in acetonitrile to produced ECL that was brighter than DPA. The light from both of these compounds was stable, and their emission spectra were the same as those reported for OLEDs based on these compounds. (C) 2002 The Electrochemical Society.

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页码：E137 / E142

页数：6

相关论文

共 61 条

[1] Electrochemistry and electrogenerated chemiluminescence processes of the components of aluminum quinolate/triarylamine, and related organic light-emitting diodes [J].

Anderson, JD ;

McDonald, EM ;

Lee, PA ;

Anderson, ML ;

Ritchie, EL ;

Hall, HK ;

Hopkins, T ;

Mash, EA ;

Wang, J ;

Padias, A ;

Thayumanavan, S ;

Barlow, S ;

Marder, SR ;

Jabbour, GE ;

Shaheen, S ;

Kippelen, B ;

Peyghambarian, N ;

Wightman, RM ;

Armstrong, NR .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1998, 120 (37) :9646-9655

[2] Very high-efficiency green organic light-emitting devices based on electrophosphorescence [J].

Baldo, MA ;

Lamansky, S ;

Burrows, PE ;

Thompson, ME ;

Forrest, SR .

APPLIED PHYSICS LETTERS, 1999, 75 (01) :4-6

[3] High-efficiency fluorescent organic light-emitting devices using a phosphorescent sensitizer [J].

Baldo, MA ;

Thompson, ME ;

Forrest, SR .

NATURE, 2000, 403 (6771) :750-753

[4] Highly efficient phosphorescent emission from organic electroluminescent devices [J].

Baldo, MA ;

O'Brien, DF ;

You, Y ;

Shoustikov, A ;

Sibley, S ;

Thompson, ME ;

Forrest, SR .

NATURE, 1998, 395 (6698) :151-154

[5] Transient analysis of organic electrophosphorescence: I. Transient analysis of triplet energy transfer [J].

Baldo, MA ;

Forrest, SR .

PHYSICAL REVIEW B, 2000, 62 (16) :10958-10966

[6]

BARD AJ, 1980, ELECTROCHEMICAL METH, P623

[7] Operating lifetime of phosphorescent organic light emitting devices [J].

Burrows, PE ;

Forrest, SR ;

Zhou, TX ;

Michalski, L .

APPLIED PHYSICS LETTERS, 2000, 76 (18) :2493-2495

[8] SUCCESSIVE 1-ELECTRON REDUCTION POTENTIALS OF PORPHINS AND METAL PORPHINS IN DIMETHYLFORMAMIDE [J].

CLACK, DW ;

HUSH, NS .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1965, 87 (19) :4238-&

[9] HIGH-FREQUENCY GENERATION OF ELECTROCHEMILUMINESCENCE AT MICROELECTRODES [J].

COLLINSON, MM ;

WIGHTMAN, RM .

ANALYTICAL CHEMISTRY, 1993, 65 (19) :2576-2582

[10] A NEW SYNTHETIC ROUTE TO THE PREPARATION OF A SERIES OF STRONG PHOTOREDUCING AGENTS - FAC TRIS-ORTHO-METALATED COMPLEXES OF IRIDIUM(III) WITH SUBSTITUTED 2-PHENYLPYRIDINES [J].

DEDEIAN, K ;

DJUROVICH, PI ;

GARCES, FO ;

CARLSON, G ;

WATTS, RJ .

INORGANIC CHEMISTRY, 1991, 30 (08) :1685-1687

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