Boosting the efficiency and stability of green InP quantum dot light emitting diodes by interface dipole modulation
Yimin Wang, Qianqian Wu, Lin Wang, Zhongjiang Sun, Fan Cao, Lingmei Kong, Lufa Li, Chengxi Zhang, Sheng Wang, Zhijun Zhang, Xuyong Yang
Abstract
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.
Topics & Concepts
Materials scienceOptoelectronicsBromideDiodeDipoleQuantum dotQuantum efficiencyBromineInorganic chemistryChemistryMetallurgyOrganic chemistryQuantum Dots Synthesis And PropertiesSemiconductor Quantum Structures and DevicesChalcogenide Semiconductor Thin Films