journal article·2020-07-01Open access

The study of charge injection mechanism of C60/CuPc organic heterojunction connector layer

Feiping Lu, Jinjiang Wang, Yanhong Deng

AIP Advances· Volume 10· Issue 7

Abstract

The charge injection mechanism of a connector layer is one of the critical issues influencing the performance of tandem organic light-emitting diodes (OLEDs). In this paper, to explore the charge injection mechanism of an organic heterojunction connector (OHJC) layer, we studied the device current density (J) characteristics generated by the C60/CuPc OHJC layer under different applied voltages (V). By analyzing the log(J)–V1/2 and ln(J/E)–1/E2 characteristics of devices, we found that the charge injection mechanism of the C60/CuPc OHJC layer is in accordance with the Richardson–Schottky model. This study can be a theoretical basis to design high-efficiency OLEDs.
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Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Organic Light-Emitting Diodes Research · Molecular Junctions and Nanostructures

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

Affiliations

Department of Physics, Tianshui Normal University 1 , Tianshui 741000, China

College of Physics and Electronics Engineering, Hengyang Normal University 2 , Hengyang 421002, China

Funding

Five-Year Plan of Education Science of Gansu Province · Science and Technology Plan Project in Hengyang City · The Excellent Talents Program of HYNU · “QinLan” Talent Eengineering Fund by Tianshui Normal University · Natural Science Foundation of Hunan Province · Natural Science Foundation of Gansu Province · National Natural Science Foundation of China

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