Open AccessQuantum Dots: Origin of Positive Aging in Quantum‐Dot Light‐Emitting Diodes (Adv. Sci. 10/2018)
Author(s) -
Su Qiang,
Sun Yizhe,
Zhang Heng,
Chen Shuming
Publication year - 2018
Publication title -
advanced science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.388
H-Index - 100
ISSN - 2198-3844
DOI - 10.1002/advs.201870058
Subject(s) - quantum dot , light emitting diode , optoelectronics , diode , quenching (fluorescence) , exciton , materials science , physics , condensed matter physics , optics , fluorescence
In the movie “The Curious Case of Benjamin Button”, Benjamin Button becomes younger and younger as time passes by. He experiences a “positive aging” life, which seems impossible in human beings, but becomes a reality in quantum‐dot light‐emitting diodes (QLEDs). In article number 1800549 , Shuming Chen and co‐workers report positive aging in QLEDs, i.e., efficiency increased with time. They disclose the origin of positive aging and provide a new insight into the exciton quenching mechanisms, which would be useful for constructing efficient QLED devices.