2023
DOI: 10.7498/aps.72.20230973
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Exciton regulation mechanism of Alq<sub>3</sub>/HAT-CN tandem electroluminescent devices

Wan-Jiao Li,
Yun-Xia Guan,
Xi Bao
et al.

Abstract: Tandem organic electroluminescent devices (OLEDs) have attracted widespread attention due to their long lifetime and high current efficiency. In this study, a double-emitting unit tandem OLED was fabricated using Alq<sub>3</sub>/HAT-CN as an interconnect layer. Its photovoltaic properties and exciton regulation mechanism were investigated. The results show that the luminance (11189.86 cd/m<sup>2</sup>) and efficiency (13.85 cd/A) of the tandem OLED reached 2.7 times that of the single E… Show more

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