Journal of Luminescence, volume 204, pages 419-423
Red emissive Ag2Se quantum dots (QDs) with room-temperature synthesis of both orthorhombic and superionic cubic phases via stirring approach
Publication type: Journal Article
Publication date: 2018-12-01
Journal:
Journal of Luminescence
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.6
ISSN: 00222313
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
In this research Ag2Se quantum dots (QDs) were synthesized with just a stirring room-temperature approach, using AgNO3 and Na2SeO3 as precursors and thioglycolic acid (TGA) as capping agent molecule. Synthesized QDs were characterized by means of XRD, FTIR, FESEM, EDS, HRTEM, UV–Vis and PL analyses. Synthesized QDs were in orthorhombic phase of Ag2Se (β-Ag2Se) with a uniform size distribution histogram between 1.8 and 2.5 nm. Synthesized QDs indicated two sharp exciton absorption peaks at 440 and 607 nm at room temperature and a narrow red emission between 600 and 800 nm with a peak at about 673 nm and FWHM of about 57 nm. The quantum yield was obtained about 4.48% which is highest among reported values. It was found that orthorhombic (β-Ag2Se) and superionic cubic (α-Ag2Se) phases can simply be formed at room temperature only by changing the sequence of addition of TGA capping agent. The cubic phase co-exists with orthorhombic phase was identified by XRD and it revealed also exciton absorption bands at room temperature due to strong quantum confinement effects.
Top-30
Citations by journals
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Ultrasonics Sonochemistry
1 publication, 16.67%
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1 publication, 16.67%
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1 publication, 16.67%
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1 publication, 16.67%
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Coatings
1 publication, 16.67%
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Russian Chemical Reviews
1 publication, 16.67%
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1
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Citations by publishers
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Elsevier
3 publications, 50%
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Royal Society of Chemistry (RSC)
1 publication, 16.67%
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 16.67%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 16.67%
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Ramezanloo B., Molaei M., Karimipour M. Red emissive Ag2Se quantum dots (QDs) with room-temperature synthesis of both orthorhombic and superionic cubic phases via stirring approach // Journal of Luminescence. 2018. Vol. 204. pp. 419-423.
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Ramezanloo B., Molaei M., Karimipour M. Red emissive Ag2Se quantum dots (QDs) with room-temperature synthesis of both orthorhombic and superionic cubic phases via stirring approach // Journal of Luminescence. 2018. Vol. 204. pp. 419-423.
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TY - JOUR
DO - 10.1016/j.jlumin.2018.08.049
UR - https://doi.org/10.1016/j.jlumin.2018.08.049
TI - Red emissive Ag2Se quantum dots (QDs) with room-temperature synthesis of both orthorhombic and superionic cubic phases via stirring approach
T2 - Journal of Luminescence
AU - Ramezanloo, B
AU - Molaei, M.
AU - Karimipour, Masoud
PY - 2018
DA - 2018/12/01 00:00:00
PB - Elsevier
SP - 419-423
VL - 204
SN - 0022-2313
ER -
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@article{2018_Ramezanloo,
author = {B Ramezanloo and M. Molaei and Masoud Karimipour},
title = {Red emissive Ag2Se quantum dots (QDs) with room-temperature synthesis of both orthorhombic and superionic cubic phases via stirring approach},
journal = {Journal of Luminescence},
year = {2018},
volume = {204},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.jlumin.2018.08.049},
pages = {419--423},
doi = {10.1016/j.jlumin.2018.08.049}
}