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AIP Advances, volume 5, issue 9, pages 97114

Controlled synthesis and optical properties of tunable CdSe quantum dots and effect of pH

Publication typeJournal Article
Publication date2015-09-01
Journal: AIP Advances
Q3
Q4
SJR0.337
CiteScore2.8
Impact factor1.4
ISSN21583226
General Physics and Astronomy
Abstract

Cadmium selenide (CdSe) quantum dots (Q-dots) were prepared by using non-coordinating solvent octadecene instead of coordinating agent trioctylphosphine oxide (TOPO). Reaction processes were carried out at various temperatures of 240°, 260°, 280° and 300° C under nitrogen atmosphere. The prepared CdSe Q-dots which are highly stable show uniform size distribution and tunable optical absorption and photoluminescence (PL). The growth temperature significantly influenced the particle size; spectral behavior, energy band gap and PL intensity and the full width at half maxima (FWHM). Three different methods were employed to determine the particle size and the average particle size of the CdSe Q-dots is 3.2 - 4.3 nm, grown at different temperatures. In addition, stable and mono-dispersed water soluble CdSe Q-dots were prepared by the ligand exchange technique. Thus, the water soluble Q-dots, which are sensitive to the basic pH may be important for biological applications.

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Ratnesh R. K., Mehata M. S. Controlled synthesis and optical properties of tunable CdSe quantum dots and effect of pH // AIP Advances. 2015. Vol. 5. No. 9. p. 97114.
GOST all authors (up to 50) Copy
Ratnesh R. K., Mehata M. S. Controlled synthesis and optical properties of tunable CdSe quantum dots and effect of pH // AIP Advances. 2015. Vol. 5. No. 9. p. 97114.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1063/1.4930586
UR - https://doi.org/10.1063/1.4930586
TI - Controlled synthesis and optical properties of tunable CdSe quantum dots and effect of pH
T2 - AIP Advances
AU - Ratnesh, R. K
AU - Mehata, Mohan Singh
PY - 2015
DA - 2015/09/01
PB - AIP Publishing
SP - 97114
IS - 9
VL - 5
SN - 2158-3226
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2015_Ratnesh,
author = {R. K Ratnesh and Mohan Singh Mehata},
title = {Controlled synthesis and optical properties of tunable CdSe quantum dots and effect of pH},
journal = {AIP Advances},
year = {2015},
volume = {5},
publisher = {AIP Publishing},
month = {sep},
url = {https://doi.org/10.1063/1.4930586},
number = {9},
pages = {97114},
doi = {10.1063/1.4930586}
}
MLA
Cite this
MLA Copy
Ratnesh, R. K., and Mohan Singh Mehata. “Controlled synthesis and optical properties of tunable CdSe quantum dots and effect of pH.” AIP Advances, vol. 5, no. 9, Sep. 2015, p. 97114. https://doi.org/10.1063/1.4930586.
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