DataVXACS Applied Materials & InterfacesPaper
journal article·2017-11-22

Inkjet-Printed Small-Molecule Organic Light-Emitting Diodes: Halogen-Free Inks, Printing Optimization, and Large-Area Patterning

Lu Zhou, Lei Yang, Mengjie Yu, Yi Jiang, Cheng-Fang Liu, Wen-Yong Lai, Wei Huang

ACS Applied Materials & Interfaces· Volume 9· Issue 46
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Source abstract

Abstract

Manufacturing small-molecule organic light-emitting diodes (OLEDs) via inkjet printing is rather attractive for realizing high-efficiency and long-life-span devices, yet it is challenging. In this paper, we present our efforts on systematical investigation and optimization of the ink properties and the printing process to enable facile inkjet printing of conjugated light-emitting small molecules. Various factors on influencing the inkjet-printed film quality during the droplet generation, the ink spreading on the substrates, and its solidification processes have been systematically investigated and optimized. Consequently, halogen-free inks have been developed and large-area patterning inkjet printing on flexible substrates with efficient blue emission has been successfully demonstrated. Moreover, OLEDs manufactured by inkjet printing the light-emitting small molecules manifested superior performance as compared with their corresponding spin-cast counterparts.
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Research context

OpenAlex topics: Organic Light-Emitting Diodes Research · Nanomaterials and Printing Technologies · Organic Electronics and Photovoltaics

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

Affiliations

Key Laboratory for Organic Electronics and Information Displays (KLOEID) & 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

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

Funding

Program for New Century Excellent Talents in University · Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · China Postdoctoral Science Foundation · Natural Science Foundation of Jiangsu Province · Government of Jiangsu Province · Nanjing University of Posts and Telecommunications · National Natural Science Foundation of China · Jiangsu province · Synergetic Innovation Center for Organic Electronics and Information Displays · Priority Academic Program Development of Jiangsu Higher Education Institutions · Natural Science Foundation of Jiangsu Higher Education Institutions · Scientific Foundation

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