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P‐9.8: Voltage Controllable Multicolor Light‐emitting Diodes
Author(s) -
Ren Beitao,
Jiang Le,
Fan Bowen,
Yeung Fion,
Kwok Hoi-Sing,
Li Guijun
Publication year - 2019
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.13677
Subject(s) - electroluminescence , optoelectronics , materials science , diode , light emitting diode , voltage , orange (colour) , green light , optics , blue light , nanotechnology , electrical engineering , physics , engineering , layer (electronics)
In this work, we demonstrate a light‐emitting diode with voltage‐controlled multicolor electroluminescence. The emission color can be finely tuned by the applied voltage, corresponding to a color change from red to orange, yellow and finally to green. Voltage‐controlled red‐green multicolor electroluminescence can take place in either the CsPbBr 3 or CdSe QDs, depending on the ratio of the recombination zone between these two materials.
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