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Indium phosphide-based quantum dots with shell-enhanced absorption for luminescent down-conversion

Dorian Dupont UGent, Mickaël Tessier UGent, Philippe Smet UGent and Zeger Hens UGent (2017) ADVANCED MATERIALS. 29(29).
abstract
It is shown that admixing small amounts of cadmium into the shell of InP/ZnSe core/shell quantum dots results in an increased absorption of blue light and a limited redshift of the band-edge emission. These effects reflect the reduced bandgap of (Zn,Cd) Se alloys and their smaller conduction-band offset with InP. Nevertheless, adjusting the InP core size enables InP/ZnSe and InP/(Zn,Cd) Se quantum dots with identical emission characteristics to be made. Processing both materials into remote phosphor disks, it is demonstrated that the shell-enhanced absorbance of InP/(Zn,Cd) Se has the double benefit of suppressing self-absorption and reducing the amount of quantum dots by weight needed to attain a given blue-to-red color conversion.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
indium phosphide, quantum dots, white-light emitting devices, LIGHT-EMITTING-DIODES, CDSE/CDS CORE/SHELL NANOCRYSTALS, INP/ZNS NANOCRYSTALS, POLYMER COMPOSITES, INP NANOCRYSTALS, EMISSION, GROWTH, BRIGHT, FILMS, ZNSE
journal title
ADVANCED MATERIALS
Adv. Mater.
volume
29
issue
29
article number
1700686
pages
6 pages
Web of Science type
Article
Web of Science id
000406677900018
ISBN
0935-9648
DOI
10.1002/adma.201700686
project
Center for nano- and biophotonics (NB-Photonics)
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
8539213
handle
http://hdl.handle.net/1854/LU-8539213
date created
2017-11-27 15:17:19
date last changed
2018-01-29 12:11:57
@article{8539213,
  abstract     = {It is shown that admixing small amounts of cadmium into the shell of InP/ZnSe core/shell quantum dots results in an increased absorption of blue light and a limited redshift of the band-edge emission. These effects reflect the reduced bandgap of (Zn,Cd) Se alloys and their smaller conduction-band offset with InP. Nevertheless, adjusting the InP core size enables InP/ZnSe and InP/(Zn,Cd) Se quantum dots with identical emission characteristics to be made. Processing both materials into remote phosphor disks, it is demonstrated that the shell-enhanced absorbance of InP/(Zn,Cd) Se has the double benefit of suppressing self-absorption and reducing the amount of quantum dots by weight needed to attain a given blue-to-red color conversion.},
  articleno    = {1700686},
  author       = {Dupont, Dorian and Tessier, Micka{\"e}l and Smet, Philippe and Hens, Zeger},
  isbn         = {0935-9648},
  journal      = {ADVANCED MATERIALS},
  keyword      = {indium phosphide,quantum dots,white-light emitting devices,LIGHT-EMITTING-DIODES,CDSE/CDS CORE/SHELL NANOCRYSTALS,INP/ZNS NANOCRYSTALS,POLYMER COMPOSITES,INP NANOCRYSTALS,EMISSION,GROWTH,BRIGHT,FILMS,ZNSE},
  language     = {eng},
  number       = {29},
  pages        = {6},
  title        = {Indium phosphide-based quantum dots with shell-enhanced absorption for luminescent down-conversion},
  url          = {http://dx.doi.org/10.1002/adma.201700686},
  volume       = {29},
  year         = {2017},
}
Chicago
Dupont, Dorian, Mickaël Tessier, Philippe Smet, and Zeger Hens. 2017. “Indium Phosphide-based Quantum Dots with Shell-enhanced Absorption for Luminescent Down-conversion.” Advanced Materials 29 (29).
APA
Dupont, Dorian, Tessier, M., Smet, P., & Hens, Z. (2017). Indium phosphide-based quantum dots with shell-enhanced absorption for luminescent down-conversion. ADVANCED MATERIALS, 29(29).
Vancouver
1.
Dupont D, Tessier M, Smet P, Hens Z. Indium phosphide-based quantum dots with shell-enhanced absorption for luminescent down-conversion. ADVANCED MATERIALS. 2017;29(29).
MLA
Dupont, Dorian, Mickaël Tessier, Philippe Smet, et al. “Indium Phosphide-based Quantum Dots with Shell-enhanced Absorption for Luminescent Down-conversion.” ADVANCED MATERIALS 29.29 (2017): n. pag. Print.