Boosting the efficiency and stability of green InP quantum dot light emitting diodes by interface dipole modulation

作者：Yimin Wang, Qianqian Wu, Lin Wang, Zhongjiang Sun, Fan Cao, Lingmei Kong, Lufa Li, Chengxi Zhang, Sheng Wang, Zhijun Zhang, Xuyong Yang · 发表于：Journal of Materials Chemistry C · 年份：2022 · DOI：10.1039/d2tc01522f · 被引用次数：37 · 研究领域：Quantum Dots Synthesis And Properties、Semiconductor Quantum Structures and Devices、Chalcogenide Semiconductor Thin Films

We employed a multifunctional interlayer of phenylethylammonium bromide (PEABr): methylammonium bromine (MABr) to modulate the interfacial charge transfer in green InP QLEDs, which realizes an EQE of 7.8% and an operational lifetime of over 400 h.