Site Isolation in Phosphorescent Bichromophoric Block Copolymers Designed for White Electroluminescence

被引：82

作者：

Poulsen, Daniel A. ^{[1
,2
]}

Kim, Bumjoon J. ^{[1
,2
,3
]}

Ma, Biwu ^{[1
,2
]}

Zonte, C. Sebastian ^{[1
,2
]}

Frechet, Jean M. J. ^{[1
,2
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA

[3] Korea Adv Inst Sci & Technol, Dept Chem & Biomol Engn, Taejon 305701, South Korea

来源：

ADVANCED MATERIALS | 2010年 / 22卷 / 01期

关键词：

LIGHT-EMITTING-DIODES; SINGLE-POLYMER SYSTEM; IRIDIUM COMPLEX; ENERGY-TRANSFER; EFFICIENT; EMISSION; DEVICES; BLUE; CHROMOPHORES; POLYFLUORENE;

D O I：

10.1002/adma.200901453

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Organization of phosphorescent domains in seld-assembled block copolymers is demonstrated to yield dual emission for white electroluminescence. Our block-copolymer approach minimizes energy transfer between two colored species by site isolation through morphology control, allowing higher loading concentration of red emitters with improved device performance.

引用

页码：77 / +

页数：7

共 44 条

[1] Endothermic energy transfer: A mechanism for generating very efficient high-energy phosphorescent emission in organic materials [J].

Adachi, C ;

Kwong, RC ;

Djurovich, P ;

Adamovich, V ;

Baldo, MA ;

Thompson, ME ;

Forrest, SR .

APPLIED PHYSICS LETTERS, 2001, 79 (13) :2082-2084

[2]

[Anonymous], 1991, MODERN MOL PHOTOCHEM

[3] Direct vapor jet printing of three color segment organic light emitting devices for white light illumination [J].

Arnold, Michael S. ;

McGraw, Gregory J. ;

Forrest, Stephen R. ;

Lunt, Richard R. .

APPLIED PHYSICS LETTERS, 2008, 92 (05)

[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] Defect-free nanoporous thin films from ABC triblock copolymers [J].

Bang, Joona ;

Kim, Seung Hyun ;

Drockenmuller, Eric ;

Misner, Matthew J. ;

Russell, Thomas P. ;

Hawker, Craig J. .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2006, 128 (23) :7622-7629

[6] BLOCK COPOLYMER THERMODYNAMICS - THEORY AND EXPERIMENT [J].

BATES, FS ;

FREDRICKSON, GH .

ANNUAL REVIEW OF PHYSICAL CHEMISTRY, 1990, 41 (01) :525-557

[7] Block copolymers - Designer soft materials [J].

Bates, FS ;

Fredrickson, GH .

PHYSICS TODAY, 1999, 52 (02) :32-38

[8] LIGHT-EMITTING-DIODES WITH VARIABLE COLORS FROM POLYMER BLENDS [J].

BERGGREN, M ;

INGANAS, O ;

GUSTAFSSON, G ;

RASMUSSON, J ;

ANDERSSON, MR ;

HJERTBERG, T ;

WENNERSTROM, O .

NATURE, 1994, 372 (6505) :444-446

[9] Block copolymer nanocomposites: Perspectives for tailored functional materials [J].

Bockstaller, MR ;

Mickiewicz, RA ;

Thomas, EL .

ADVANCED MATERIALS, 2005, 17 (11) :1331-1349

[10] Optical properties of polymer-based photonic nanocomposite materials [J].

Bockstaller, MR ;

Thomas, EL .

JOURNAL OF PHYSICAL CHEMISTRY B, 2003, 107 (37) :10017-10024

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