Journal of Non-Crystalline Solids, volume 358, issue 5, pages 921-924

Lead sulfide quantum dots in glasses controlled by silver diffusion

Publication typeJournal Article
Publication date2012-03-01
Quartile SCImago
Q2
Quartile WOS
Q1
Impact factor3.5
ISSN00223093, 00223093
Materials Chemistry
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
Precipitation of PbS quantum dots (QDs) in silicate glasses controlled by Ag + ion diffusion was investigated. Ag + ions penetrated ~ 0.5 μm into the glass when the glass was immersed in the AgNO 3 solution at 80 °C. Ag nano-particles (NPs) and PbS QDs were formed after heat-treatment at temperatures of 420–460 °C for 10 h. PbS QDs in Ag + -diffused regions photoluminesced at longer wavelengths than did those in Ag + -free regions. This indicates that PbS QDs thus formed in regions containing Ag NPs were larger than those in Ag + -free regions and this size difference was confirmed from the transmission electron microscope images. PbS QDs can grow at temperature as low as 420 °C in Ag + -diffused regions and this implies that PbS QDs form preferentially using Ag NPs as nucleating agents.

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GOST |
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GOST Copy
Xu K., Heo J. Lead sulfide quantum dots in glasses controlled by silver diffusion // Journal of Non-Crystalline Solids. 2012. Vol. 358. No. 5. pp. 921-924.
GOST all authors (up to 50) Copy
Xu K., Heo J. Lead sulfide quantum dots in glasses controlled by silver diffusion // Journal of Non-Crystalline Solids. 2012. Vol. 358. No. 5. pp. 921-924.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.jnoncrysol.2012.01.007
UR - https://doi.org/10.1016/j.jnoncrysol.2012.01.007
TI - Lead sulfide quantum dots in glasses controlled by silver diffusion
T2 - Journal of Non-Crystalline Solids
AU - Xu, Kai
AU - Heo, Jong
PY - 2012
DA - 2012/03/01 00:00:00
PB - Elsevier
SP - 921-924
IS - 5
VL - 358
SN - 0022-3093
SN - 0022-3093
ER -
BibTex |
Cite this
BibTex Copy
@article{2012_Xu,
author = {Kai Xu and Jong Heo},
title = {Lead sulfide quantum dots in glasses controlled by silver diffusion},
journal = {Journal of Non-Crystalline Solids},
year = {2012},
volume = {358},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.jnoncrysol.2012.01.007},
number = {5},
pages = {921--924},
doi = {10.1016/j.jnoncrysol.2012.01.007}
}
MLA
Cite this
MLA Copy
Xu, Kai, and Jong Heo. “Lead sulfide quantum dots in glasses controlled by silver diffusion.” Journal of Non-Crystalline Solids, vol. 358, no. 5, Mar. 2012, pp. 921-924. https://doi.org/10.1016/j.jnoncrysol.2012.01.007.
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