| WANG Zuo-zhi,ZHANG Jian-feng,ZHANG Zhi-kun,WANG Wei,LIU Zhao-ping.Progress of Organic Light Emitting Diodes Based on Graphene Transparent Conductive Films[J],48(6):30-45 |
| Progress of Organic Light Emitting Diodes Based on Graphene Transparent Conductive Films |
| Received:December 13, 2018 Revised:June 20, 2019 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2019.06.003 |
| KeyWord:graphene conductive film transparent conductive electrodes flexible electronics optoelectronic devices OLED |
| Author | Institution |
| WANG Zuo-zhi |
1.School of Material Science and Chemical Engineering, Ningbo University, Ningbo , China; 2.Graphene Engineering Laboratory, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo , China |
| ZHANG Jian-feng |
1.School of Material Science and Chemical Engineering, Ningbo University, Ningbo , China |
| ZHANG Zhi-kun |
2.Graphene Engineering Laboratory, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo , China |
| WANG Wei |
2.Graphene Engineering Laboratory, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo , China |
| LIU Zhao-ping |
2.Graphene Engineering Laboratory, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo , China |
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| Abstract: |
| As the transparent conductive film, graphene shows great development potential and broad application prospects in future flexible electronic and optoelectronic devices, such as touch screen, organic light-emitting diodes (OLEDs), and organic photovoltaic (OPV) cells, due to excellent mechanical, optical and electrical properties. However, due to the influence of large sheet resistance (Rs), work function (WF) mismatch, surface roughness, the performance and stability of optoelectronic devices based on intrinsic graphene films are very poor, which seriously hinders the development and application of graphene in flexible optoelectronic devices. The recent research progress on the application of graphene films as transparent conductive electrodes (TCEs) in OLEDs is reviewed. Methods were also concluded including graphene doping, and surface WF modification, and clean and non-destructive transfer as well as optimization of the device structure in order to further improve the device performance. At last, the technical bottlenecks of graphene films as TCEs in OLEDs were analyzed, and the future of this field is prospected. |
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