DataVXACS Applied Materials & InterfacesPaper
journal article·2018-02-28

Two-In-One Method for Graphene Transfer: Simplified Fabrication Process for Organic Light-Emitting Diodes

Lihui Liu, Wenjuan Shang, Chao Han, Qing Zhang, Yao Yao, Xiaoqian Ma, Minghao Wang, Hongtao Yu, Yu Duan, Jie Sun, Shufen Chen, Wei Huang

ACS Applied Materials & Interfaces· Volume 10· Issue 8
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Source abstract

Abstract

Graphene as one of the most promising transparent electrode materials has been successfully applied in organic light-emitting diodes (OLEDs). However, traditional poly(methyl methacrylate) (PMMA) transfer method usually results in hardly removed polymeric residues on the graphene surface, which induces unwanted leakage current, poor diode behavior, and even device failure. In this work, we proposed a facile and efficient two-in-one method to obtain clean graphene and fabricate OLEDs, in which the poly(9,9-di-n-octylfluorene-alt-(1,4-phenylene-(4-sec-butylphenyl)imino)-1,4-phenylene) (TFB) layer was inserted between the graphene and PMMA film both as a protector during the graphene transfer and a hole-injection layer in OLEDs. Finally, green OLED devices were successfully fabricated on the PMMA-free graphene/TFB film, and the device luminous efficiency was increased from 64.8 to 74.5 cd/A by using the two-in-one method. Therefore, the proposed two-in-one graphene transfer method realizes a high-efficient graphene transfer and device fabrication process, which is also compatible with the roll-to-roll manufacturing. It is expected that this work can enlighten the design and fabrication of the graphene-based optoelectronic devices.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersNanomaterialsElectronic materials

OpenAlex topics: Graphene research and applications · Organic Electronics and Photovoltaics · Molecular Junctions and Nanostructures

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China

State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China

Key Laboratory of Optoelectronics Technology, College of Microelectronics, Beijing University of Technology, Beijing 100124, China

Department of Microtechnology and Nanoscience (MC2), Chalmers University of Technology, Göteborg 41296, Sweden

Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi’an 710072 Shaanxi, China

Funding

Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Jiangsu Province · Jilin University · Swedish Foundation for International Cooperation in Research and Higher Education · National Natural Science Foundation of China · Jiangsu National Synergistic Innovation Center for Advanced Materials · Jiangsu Province · Synergetic Innovation Center for Organic Electronics and Information Displays · Priority Academic Program Development of Jiangsu Higher Education Institutions · Beijing Municipality

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