White Electroluminescence from a Single-Polymer System with Simultaneous Three-color Emission

被引：2
|
作者：
Xu, Yang [1 ,2 ]
Wang, Hua [1 ,2 ]
Song, Chunli [1 ,2 ]
Liu, Xuguang [1 ]
Xu, Bingshe [1 ,2 ]
机构：
[1] Taiyuan Univ Technol, Minist Educ, Key Lab Interface Sci & Engn Adv Mat, Taiyuan 030024, Peoples R China
[2] Taiyuan Univ Technol, Res Ctr Adv Mat Sci & Technol, Taiyuan 030024, Peoples R China
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2012年 / 22卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Fluorene; Fluorenone; White light; Polymer; LIGHT-EMITTING-DIODES; FLUORENE-BASED COPOLYMERS; POLYFLUORENE COPOLYMERS; IRIDIUM COMPLEX; GREEN EMISSION; PHENOTHIAZINE; BLUE; PHOTOLUMINESCENCE; DERIVATIVES; DEVICES;
D O I：
10.1007/s10904-011-9585-4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A series of polymers were synthesized by incorporating low contents of fluorenone (FO) and 4,7-bis(2-thienyl)-2,1,3-benzothiadiazole (DBT) into the main chain of poly(9,9-dioctylfluorene). White-light emission was obtained from a single polymer by adjusting the FO and DBT contents. All polymers showed good thermal stability with 5% weight loss up to 410 degrees C and good solubility in common organic solvents. Electroluminescence devices with indium tin oxide/poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate)/emission layer/Ca/Al structure were found to emit white light with Commission Internationale de l'Eclairage coordinate of (0.37, 0.34). These devices exhibited a maxium brightness of 3414 cd/m(2) and a maximum current efficiency of 2.79 cd/A.
引用
收藏
页码：76 / 81
页数：6
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