Journal of Materials Chemistry C, volume 3, issue 26, pages 6725-6736

Formation and selective micron-regional control of PbS quantum dots in glasses using femtosecond laser pulsation

Publication typeJournal Article
Publication date2015-05-26
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.4
ISSN20507526, 20507534
Materials Chemistry
General Chemistry
Abstract
The direct and effective synthesis of PbS quantum dots (QDs) in a solid-state matrix is of great importance in the production and application of PbS QDs photonic devices. The present article describes the direct precipitation of PbS QDs in an inorganic glass matrix by the irradiation of a femtosecond (fs) laser. It has been demonstrated that the formation of the QDs is strongly influenced by the thermal effect of the fs laser. The effect of the irradiation parameters and of Ag clusters on the precipitation of QDs has been investigated, in addition to the spatial distribution of the QDs in the irradiated area, and a mechanism is suggested. The confocal Raman spectra indicate that after irradiation the concentration of the QDs is the highest at the center. On the other hand, heat treatment of the irradiated sample has also been carried out to adjust the size, distribution and photoluminescence of QDs within the glass matrix. The electron probe microanalyzer (EPMA) has provided direct evidence for the large change in refractive index and for the ring-shaped structure formed on irradiation. Based on selective local control of the PbS QDs, a waveguide demonstration has been conducted to illustrate the feasibility of directly writing a PbS QDs waveguide with an fs laser in a glass matrix.

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Fan S. et al. Formation and selective micron-regional control of PbS quantum dots in glasses using femtosecond laser pulsation // Journal of Materials Chemistry C. 2015. Vol. 3. No. 26. pp. 6725-6736.
GOST all authors (up to 50) Copy
Fan S., Wu G., Hang Z., Zhang Hang, Yu Y., Qiu J., Dong G. Formation and selective micron-regional control of PbS quantum dots in glasses using femtosecond laser pulsation // Journal of Materials Chemistry C. 2015. Vol. 3. No. 26. pp. 6725-6736.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1039/C5TC00338E
UR - https://doi.org/10.1039/C5TC00338E
TI - Formation and selective micron-regional control of PbS quantum dots in glasses using femtosecond laser pulsation
T2 - Journal of Materials Chemistry C
AU - Fan, Shaohua
AU - Wu, Guobo
AU - Hang, Zhang
AU - Yu, Yongze
AU - Qiu, Jianrong
AU - Dong, Guoping
AU - Zhang Hang
PY - 2015
DA - 2015/05/26 00:00:00
PB - Royal Society of Chemistry (RSC)
SP - 6725-6736
IS - 26
VL - 3
SN - 2050-7526
SN - 2050-7534
ER -
BibTex |
Cite this
BibTex Copy
@article{2015_Fan,
author = {Shaohua Fan and Guobo Wu and Zhang Hang and Yongze Yu and Jianrong Qiu and Guoping Dong and Zhang Hang},
title = {Formation and selective micron-regional control of PbS quantum dots in glasses using femtosecond laser pulsation},
journal = {Journal of Materials Chemistry C},
year = {2015},
volume = {3},
publisher = {Royal Society of Chemistry (RSC)},
month = {may},
url = {https://doi.org/10.1039/C5TC00338E},
number = {26},
pages = {6725--6736},
doi = {10.1039/C5TC00338E}
}
MLA
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MLA Copy
Fan, Shaohua, et al. “Formation and selective micron-regional control of PbS quantum dots in glasses using femtosecond laser pulsation.” Journal of Materials Chemistry C, vol. 3, no. 26, May. 2015, pp. 6725-6736. https://doi.org/10.1039/C5TC00338E.
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