Abstract:
:The electrohydrodynamic (EHD) jet spraying process is a good method for making quantum dot (QD) layers in light-emitting diodes (LEDs). However, controlling the morphology and large-scale fabrication of the QD layers are critical for realizing all-solution-processed QD-LEDs with high performance. Three spraying techniques were used with the EHD jet spraying technique: a big circular film method, a spiral-line method, and a straight-line method. These techniques were used to obtain QD films with good uniformity. The straight-line spray showed the most promise to obtain a uniform QD layer with large area, and QD-LEDs made with this method showed better performance with a low turn-on voltage of 3.0 V, a luminance of 7801 cd/m2, and a maximum current efficiency of 2.93 cd/A.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Nguyen TC,Can TTT,Choi WSdoi
10.1038/s41598-019-50181-5subject
Has Abstractpub_date
2019-09-25 00:00:00pages
13885issue
1issn
2045-2322pii
10.1038/s41598-019-50181-5journal_volume
9pub_type
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