Positive aging in InP-based QD-LEDs encapsulated with epoxy: the role of thiol molecules and post-annealing treatment
Hyunwoo Jang, Seungki Shin, Minwoo Lee, Namyoung Gwak, Seongchan Kim, Yunseo Lee, Nuri Oh
Abstract
The diffusion of thiol molecules present in epoxy resin promotes positive aging in InP-based QD-LEDs. Subsequent annealing treatment enable thiol molecules migration into lower layers, leading to a remarkable performance enhancement.
Topics & Concepts
Materials scienceAnnealing (glass)EpoxyThiolLight-emitting diodeMoleculeNanotechnologyOptoelectronicsComposite materialOrganic chemistryChemistryQuantum Dots Synthesis And PropertiesSemiconductor materials and devicesZnO doping and properties