Emissive Conjugated Polymer Networks with Tunable Band-Gaps via Thiol-Ene Click Chemistry

被引：36
|
作者：
Koyuncu, Fatma Baycan [1 ,2 ]
Davis, Andrew R. [1 ]
Carter, Kenneth R. [1 ]
机构：
[1] Univ Massachusetts, Dept Polymer Sci & Engn, Conte Ctr Polymer Res, Amherst, MA 01003 USA
[2] Canakkale Onsekiz Mart Univ, Fac Sci & Art, Dept Chem, TR-17400 Canakkale, Turkey
来源：
CHEMISTRY OF MATERIALS | 2012年 / 24卷 / 22期
基金：
美国国家科学基金会;
关键词：
thiol-ene click chemistry; polymeric light-emitting devices; tunable band gap polymers; ELECTROLUMINESCENT DEVICES; OPTICAL-PROPERTIES; HIGHLY EFFICIENT; COPOLYMERS; FLUORENE; TRANSPORT;
D O I：
10.1021/cm302790a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A series of cross-linked thin films were prepared via thiol-ene click chemistry from 4-phenylethenyl end-capped tunable band gap conjugated polymers with different photoemission. We demonstrate that the emissive color of PLED devices can be successfully tuned from blue to orange via the use of networks prepared using the thiol-ene click reaction. Electrochemical and optical properties were studied by using cyclic voltammetry, UV-vis absorption, and fluorescence spectroscopy, respectively. PLEDs with configuration of ITO/PEDOT:PSS/x-polymer/Ca:Al were fabricated. The devices had turn-on voltages below 8 V and exhibited multicolor emission. Multi layer devices that demonstrated effective color separation and improved color characteristics compared to blended devices were also prepared.
引用
收藏
页码：4410 / 4416
页数：7
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