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Cadmium-free quantum dot light emitting devices: energy-transfer realizing pure blue emission |
Optics Letters, Vol. 38, Issue 1, pp. 7-9 (2013)
http://dx.doi.org/10.1364/OL.38.000007
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Abstract
In this study, deep blue, pure electroluminescence (EL) at 441.5 nm from a ZnSe/ZnS quantum dot light-emitting device (QD-LED) is obtained by using poly (4-butylphenyl-diphenyl-amine) (poly-TPD) as the hole-transport layer (HTL) to open up the channel for energy transfer from poly-TPD to QDs. The emission originating from HTL is observed in the QD-LED with
© 2012 Optical Society of America
OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(230.4170) Optical devices : Multilayers
(260.2160) Physical optics : Energy transfer
(260.3800) Physical optics : Luminescence
(330.1690) Vision, color, and visual optics : Color
(160.4236) Materials : Nanomaterials
ToC Category:
Optical Devices
History
Original Manuscript: October 26, 2012
Revised Manuscript: November 12, 2012
Manuscript Accepted: November 13, 2012
Published: December 20, 2012
Virtual Issues
Vol. 8, Iss. 2 Virtual Journal for Biomedical Optics
Citation
Wenyu Ji, Pengtao Jing, Yi Fan, Jialong Zhao, Yunjun Wang, and Xianggui Kong, "Cadmium-free quantum dot light emitting devices: energy-transfer realizing pure blue emission," Opt. Lett. 38, 7-9 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-38-1-7
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