Surface modification of graphene using HBC-6ImBr in solution-processed OLEDs

被引：2

作者：

Cheng, Tsung-Chin ^{[1
,2
]}

Ku, Ting-An ^{[1
,2
]}

Huang, Kuo-You ^{[1
,2
]}

Chou, Ang-Sheng ^{[1
,2
]}

Chang, Po-Han ^{[1
,2
]}

Chang, Chao-Chen ^{[1
,2
]}

Yue, Cheng-Feng ^{[1
,2
]}

Liu, Chia-Wei ^{[1
,2
]}

Wang, Po-Han ^{[3
]}

Wong, Ken-Tsung ^{[3
]}

Wu, Chih-I ^{[1
,2
]}

机构：

[1] Natl Taiwan Univ, Inst Photon & Optoelect, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[3] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

来源：

JOURNAL OF APPLIED PHYSICS | 2018年 / 123卷 / 02期

关键词：

LIGHT-EMITTING-DIODES; FILMS; BLUE; ELECTROLUMINESCENCE; NANOCRYSTALS; ELECTRODES; PEDOTPSS;

D O I：

10.1063/1.5016547

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, we report a simple method for solution-processed organic light emitting devices (OLEDs), where single-layer graphene acts as the anode and the hexa-peri-hexabenzocoronene exfoliating agent (HBC-6ImBr) provides surface modification. In SEM images, the PEDOT:PSS solution fully covered the graphene electrode after coating with HBC-6ImBr. The fabricated solution-processed OLEDs with a single-layer graphene anode showed outstanding brightness at 3182 cd/m(2) and current efficiency up to 6 cd/A which is comparable to that of indium tin oxide films, and the OLED device brightness performance increases six times compared to tri-layer graphene treated with UV-Ozone at the same driving voltage. This method can be used in a wide variety of solution-processed organic optoelectronics on surface-modified graphene anodes. Published by AIP Publishing.

引用

页数：7

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