scholarly journals Understanding Temporal Evolution of Electroluminescence Intensity in Lead Sulfide (PbS) Colloidal Quantum Dot Infrared Light-Emitting Diodes

2020 ◽  
Vol 10 (21) ◽  
pp. 7440
Author(s):  
Minkyoung Kim ◽  
Byoungnam Park
Keyword(s):  
Quantum Dot ◽  
Lead Sulfide ◽  
Light Emitting Diodes ◽  
Light Emission ◽  
Temporal Evolution ◽  
Infrared Light ◽  
Charge Balance ◽  
Light Emitting ◽  
Colloidal Quantum Dot ◽  
Electroluminescence Intensity

We, for the first time, report a temporal evolution of the electroluminescence (EL) intensity in lead sulfide (PbS) colloidal quantum dot (CQD) infrared light-emitting diodes. The EL intensity was varied during infrared light emission, and its origin is attributed to competition between the achievement of charge balance associated with interfacial charging at the PbS/ZnO CQD interface and the electric-field induced luminescence quenching. The effect of multi-carrier emission on the enhanced EL intensity is discussed relating to shifting in the wavelength at the peak EL intensity.

Highly Efficient PbS Colloidal Quantum Dot Based Infrared Light Emitting Diodes through Suprananocrystalline Matrix Engineering

2018 ◽  
Author(s):  
Santanu Pradhan ◽  
Francesco DiStasio ◽  
Yu Bi ◽  
Shuchi Gupta ◽  
Sotirios Christodoulou ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Light Emitting Diodes ◽  
Infrared Light ◽  
Light Emitting ◽  
Highly Efficient ◽  
Colloidal Quantum Dot

scholarly journals Highly Efficient, Bright, and Stable Colloidal Quantum Dot Short‐Wave Infrared Light‐Emitting Diodes

2020 ◽  
Vol 30 (39) ◽  
pp. 2004445
Author(s):  
Santanu Pradhan ◽  
Mariona Dalmases ◽  
Ayse‐Bilgehan Baspinar ◽  
Gerasimos Konstantatos
Keyword(s):  
Quantum Dot ◽  
Light Emitting Diodes ◽  
Short Wave ◽  
Infrared Light ◽  
Light Emitting ◽  
Highly Efficient ◽  
Colloidal Quantum Dot ◽  
Short Wave Infrared

scholarly journals High-efficiency colloidal quantum dot infrared light-emitting diodes via engineering at the supra-nanocrystalline level

2018 ◽  
Vol 14 (1) ◽  
pp. 72-79 ◽  
Author(s):  
Santanu Pradhan ◽  
Francesco Di Stasio ◽  
Yu Bi ◽  
Shuchi Gupta ◽  
Sotirios Christodoulou ◽  
...  
Keyword(s):  
Quantum Dot ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Infrared Light ◽  
Light Emitting ◽  
Colloidal Quantum Dot

Waveguide‐Coupled Colloidal Quantum Dot Light Emitting Diodes and Detectors on a Silicon Nitride Platform

2021 ◽  
pp. 2000230
Author(s):  
Lukas Elsinger ◽  
Robin Petit ◽  
Frederik Van Acker ◽  
Natalia K. Zawacka ◽  
Ivo Tanghe ◽  
...  
Keyword(s):  
Silicon Nitride ◽  
Quantum Dot ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Colloidal Quantum Dot

High efficiency quantum dot light emitting diodes from positive aging

Nanoscale ◽  
2017 ◽  
Vol 9 (38) ◽  
pp. 14451-14457 ◽  
Author(s):  
Krishna P. Acharya ◽  
Alexandre Titov ◽  
Jake Hyvonen ◽  
Chenggong Wang ◽  
Jean Tokarz ◽  
...  
Keyword(s):  
Quantum Dot ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Positive Aging ◽  
Polymer Hybrid ◽  
Colloidal Quantum Dot

Colloidal quantum dot-polymer hybrid light emitting diodes (QLEDs) that exhibit external quantum efficiencies >12% for all three primary colors (21% from green) have been demonstrated.

Efficient and Bright Colloidal Quantum Dot Light-Emitting Diodes via Controlling the Shell Thickness of Quantum Dots

2013 ◽  
Vol 5 (22) ◽  
pp. 12011-12016 ◽  
Author(s):  
Huaibin Shen ◽  
Qinli Lin ◽  
Hongzhe Wang ◽  
Lei Qian ◽  
Yixing Yang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Shell Thickness ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Colloidal Quantum Dot

Bright colloidal quantum dot light-emitting diodes enabled by efficient chlorination

2018 ◽  
Vol 12 (3) ◽  
pp. 159-164 ◽  
Author(s):  
Xiyan Li ◽  
Yong-Biao Zhao ◽  
Fengjia Fan ◽  
Larissa Levina ◽  
Min Liu ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Colloidal Quantum Dot
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