High-Performance Quantum Dot-Light-Emitting Diodes with a Polyethylenimine Ethoxylated-Modified Emission layer

Ju-Seong Kim,Sae-Wan Kim,Binrui Xu,Shin-Won Kang

Thin Solid Films（2020）

引用 6|浏览12

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摘要

•Applied polyethylenimine ethoxylated (PEIE) to reach a better charge balance.•Valence band maximum of quantum dots shifted from 6.7 eV to 6.4 eV with 5.4 nm PEIE.•When using a PEIE, the maximum luminance of the device increased 2.3 times.

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关键词

Cadmium selenide,Zinc sulfide,Quantum dot,Light-emitting diode,Ethoxylated polyethyleneimine,Ultraviolet photoelectron spectroscopy

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