Results 81 to 90 of about 199 (104)
Enhancing Efficiency in Inverted Quantum Dot Light-Emitting Diodes through Arginine-Modified ZnO Nanoparticle Electron Injection Layer. [PDF]
Nanomaterials (Basel)Chae YB +5 more
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SID Symposium Digest of Technical Papers, 2020
In this work, green top emission quantum dot light‐emitting diodes with different structure, that are normal and inverted structure, were demonstrated. The device characterization of these two device are compared. The QLED with inverted structure exhibits better device performance than normal one.
Kun-Rong Lin +10 more
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In this work, green top emission quantum dot light‐emitting diodes with different structure, that are normal and inverted structure, were demonstrated. The device characterization of these two device are compared. The QLED with inverted structure exhibits better device performance than normal one.
Kun-Rong Lin +10 more
openaire +1 more source
SID Symposium Digest of Technical Papers, 2020
The fast degradation of blue QLED is the most challenging issue in QLED, and we found out the conduction band minimum offset between blue QDs and ZnO is the primary reason. Instead of optimizing ETL layer, we alternatively tailored QD core‐shell structure and achieved greatly enhanced lifetime of blue QLED.
Longjia Wu +7 more
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The fast degradation of blue QLED is the most challenging issue in QLED, and we found out the conduction band minimum offset between blue QDs and ZnO is the primary reason. Instead of optimizing ETL layer, we alternatively tailored QD core‐shell structure and achieved greatly enhanced lifetime of blue QLED.
Longjia Wu +7 more
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Quantum dot light emitting diodes (QLEDs) as low-cost PDT light sources (Conference Presentation)
17th International Photodynamic Association World Congress, 2019Homogeneous, flexible light sources with pure, deep red color and sufficiently high power densities are necessary for more effective and widely used photodynamic therapy (PDT), but have been difficult to achieve with lasers or LED arrays at reasonably low cost.
Hao Chen +13 more
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Journal of Applied Physics, 2019
Carrier injection and transport in the quantum dot (QD) layer was modulated by tuning the Schottky injection barrier and mobility of charge transport layers. The analyses indicate that stages of the J-V curve for hole injection must match with those of electron injection to achieve the charge balance in the QD layer.
Sun-Kyo Kim, Heesun Yang, Yong-Seog Kim
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Carrier injection and transport in the quantum dot (QD) layer was modulated by tuning the Schottky injection barrier and mobility of charge transport layers. The analyses indicate that stages of the J-V curve for hole injection must match with those of electron injection to achieve the charge balance in the QD layer.
Sun-Kyo Kim, Heesun Yang, Yong-Seog Kim
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2017
Over the past years, QLEDs technology has experienced a huge development in aspects of fabrication process, device structure, QDs and CTLs materials, and patterning method. With the EQEs of RGB QLEDs based on cadmium compound II-VI QDs all exceeding 10 % and even approaching that of state-of-the-art phosphorescent OLEDs, QLEDs technology becomes a ...
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Over the past years, QLEDs technology has experienced a huge development in aspects of fabrication process, device structure, QDs and CTLs materials, and patterning method. With the EQEs of RGB QLEDs based on cadmium compound II-VI QDs all exceeding 10 % and even approaching that of state-of-the-art phosphorescent OLEDs, QLEDs technology becomes a ...
openaire +2 more sources