Near infrared polymer light-emitting diodes

ZHANG Yong; YANG Jian; HOU Qiong

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Near infrared polymer light-emitting diodes

机译：近红外聚合物发光二极管

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High efficiency of near infrared polymer light-emitting diodes with bilayer structure was obtained. The diode structure is ITO/PEDOT/Ll/L2/Ba/Al, where L1 is phenyl-substituted poly [p-phenylphenylene vinylene] derivative (P-PPV), L2 is 9,9-dioctylfluorene(DOF) and 4,7-bis(3-hexylthiophen)-2-yI-2,l,3-naphthothiadiazole(HBNT) copolymer (PFHDNT10). The electroluminescence (EL) spectrum of diodes from PFHDNT10 is at 750 nm located in the range of near infrared. The maximum external quantum efficiency is up to 2.1 percent at the current density of 35 mA/cm~2. The improvement of the diode's performances was considered to be the irradiative excitons confined in the interface between L1 and L2 layers.

机译：获得了具有双层结构的高效率的近红外聚合物发光二极管。二极管结构为ITO / PEDOT / L1 / L2 / Ba / Al，其中L1为苯基取代的聚对[对亚苯基亚乙烯基]衍生物（P-PPV），L2为9,9-二辛基芴（DOF）和4,7 -双（3-己基噻吩）-2-yI-2,1,3-萘噻二唑（HBNT）共聚物（PFHDNT10）。 PFHDNT10的二极管的电致发光（EL）光谱位于750 nm，位于近红外范围内。在35 mA / cm〜2的电流密度下，最大外部量子效率高达2.1％。二极管性能的提高被认为是限制在L1和L2层之间界面的辐照激子。

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来源
《Chinese science bulletin》 |2005年第10期|p.957-960|共4页
作者
ZHANG Yong; YANG Jian; HOU Qiong;
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作者单位

Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology, Institute of Polymer Optoelectronic Material and Devices, South China University of Technology, Guangzhou 510640. China;

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原文格式 PDF
正文语种 eng
中图分类自然科学现状及发展;
关键词
near infrared electroluminescence; copolymer; bilayer device;

机译：近红外电致发光;共聚物;双层器件;

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2. Near-infrared polymer light-emitting diodes based on low-energy gap oligomers copolymerized into a high-gap polymer host [J] . Steckler T.T., Fenwick O., Lockwood T., Macromolecular rapid communications: Publishing the newsletters of the European Polymer Federation . 2013,第12期

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4. Low-gap polymers incorporating a dicarboxylic imide moiety for near-infrared polymer light-emitting diodes [C] . Zampetti Andrea, Minotto Alessandro, Cacialli Franco, International Conference on Environment and Electrical Engineering . 2015

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5. A study of interfaces between organic and metal materials and their application in polymer light-emitting diodes and polymer photovoltaic solar cells. [D] . Li, Juo-Hao. 2009

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Near infrared polymer light-emitting diodes

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