Optical Materials, volume 31, issue 11, pages 1631-1635

Synthesis and photoluminescent properties of doped ZnS nanocrystals capped by poly(vinylpyrrolidone)

Michael W Porambo 1
Anderson L Marsh 1
1
 
Department of Chemistry, Lebanon Valley College, 101 N. College Ave., Annville, PA 17003, USA
Publication typeJournal Article
Publication date2009-09-01
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.9
ISSN09253467
Electronic, Optical and Magnetic Materials
Organic Chemistry
Inorganic Chemistry
Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Abstract
Zinc sulfide semiconductor nanocrystals doped with selected transition metal ions (Mn2+, Cu2+, and Ni2+) have been synthesized via a solution-based method utilizing low dopant concentrations (0–1%) and employing poly(vinylpyrrolidone) (PVP) as a capping agent. UV/Vis absorbance spectra for all of the synthesized nanocrystals show an exitonic peak at around 310 nm, indicating that the introduction of the dopant does not influence the particle size. Calculated particle sizes for undoped and doped nanocrystals are in the 4.3 nm size range. Photoluminescence spectra recorded for undoped ZnS nanocrystals, using an excitation wavelength of 310 nm, exhibit an emission peak centered at around 460 nm. When a dopant ion is included in the synthesis, peaks in the corresponding photoluminescence spectra are red-shifted. For Mn-doped nanocrystals, an intense peak centered at approximately 590 nm is found and is seen to increase in photoluminescence intensity with an increase in dopant concentration. In contrast, for Cu-doped and Ni-doped nanocrystals, weaker peaks centered at around 520 and 500 nm, respectively, are observed and are noticed to decrease in photoluminescence intensity with an increase in dopant concentration. These results clearly show that careful control of synthetic conditions must be employed in the synthesis of doped semiconductor nanocrystals in order to obtain materials with optimized properties.

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Porambo M. W., Marsh A. L. Synthesis and photoluminescent properties of doped ZnS nanocrystals capped by poly(vinylpyrrolidone) // Optical Materials. 2009. Vol. 31. No. 11. pp. 1631-1635.
GOST all authors (up to 50) Copy
Porambo M. W., Marsh A. L. Synthesis and photoluminescent properties of doped ZnS nanocrystals capped by poly(vinylpyrrolidone) // Optical Materials. 2009. Vol. 31. No. 11. pp. 1631-1635.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.optmat.2009.03.013
UR - https://doi.org/10.1016/j.optmat.2009.03.013
TI - Synthesis and photoluminescent properties of doped ZnS nanocrystals capped by poly(vinylpyrrolidone)
T2 - Optical Materials
AU - Porambo, Michael W
AU - Marsh, Anderson L
PY - 2009
DA - 2009/09/01 00:00:00
PB - Elsevier
SP - 1631-1635
IS - 11
VL - 31
SN - 0925-3467
ER -
BibTex |
Cite this
BibTex Copy
@article{2009_Porambo,
author = {Michael W Porambo and Anderson L Marsh},
title = {Synthesis and photoluminescent properties of doped ZnS nanocrystals capped by poly(vinylpyrrolidone)},
journal = {Optical Materials},
year = {2009},
volume = {31},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/j.optmat.2009.03.013},
number = {11},
pages = {1631--1635},
doi = {10.1016/j.optmat.2009.03.013}
}
MLA
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MLA Copy
Porambo, Michael W., and Anderson L Marsh. “Synthesis and photoluminescent properties of doped ZnS nanocrystals capped by poly(vinylpyrrolidone).” Optical Materials, vol. 31, no. 11, Sep. 2009, pp. 1631-1635. https://doi.org/10.1016/j.optmat.2009.03.013.
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