Physical Chemistry Chemical Physics, volume 8, issue 11, pages 1329
Role of dopant concentration and surface coating on photophysical properties of CdS: Eu3+ nanocrystals
Publication type: Journal Article
Publication date: 2006-02-02
Journal:
Physical Chemistry Chemical Physics
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.3
ISSN: 14639076, 14639084
DOI:
10.1039/b517788j
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
Here, we report the role of dopant concentration and surface coating of CdS: Eu3+ nanocrystals on the modification of crystal structure and their photoluminescence properties by steady-state and time resolved fluorescence studies. It is found that photoluminescence properties are sensitive to the crystal structure which is controlled by surface coating and dopant concentration. The emission intensity of the peak at 614 nm (5D0 --> 7F2) of the Eu3+-ions is found to be sensitive to the doping and surface coating of CdS nanocrystals. It is found that the average decay times tau are 248, 353 and 499 micros for 0.25, 0.5 and 1.0 mol% Eu ions doped into CdS nanocrystals, respectively. From the decay time measurements, it is evident that the energy transfer occurs from CdS nanoparticles to Eu3+ ions and the calculated energy transfer efficiency from CdS nanoparticles to Eu3+ ions is 9.2 and 35% for Eu3+ ions coated and doped CdS nanoparticles, respectively. Our analysis suggests that site symmetry of ions plays a very important role in the modifications of radiative and nonradiative relaxation mechanisms.
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Citations by publishers
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17 publications, 30.36%
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American Chemical Society (ACS)
12 publications, 21.43%
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2 publications, 3.57%
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SPIE
1 publication, 1.79%
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Nonferrous Metals Society of China
1 publication, 1.79%
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IOP Publishing
1 publication, 1.79%
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Trans Tech Publications
1 publication, 1.79%
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American Institute of Physics (AIP)
1 publication, 1.79%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 1.79%
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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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Saha Chowdhury P., Patra A. Role of dopant concentration and surface coating on photophysical properties of CdS: Eu3+ nanocrystals // Physical Chemistry Chemical Physics. 2006. Vol. 8. No. 11. p. 1329.
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Saha Chowdhury P., Patra A. Role of dopant concentration and surface coating on photophysical properties of CdS: Eu3+ nanocrystals // Physical Chemistry Chemical Physics. 2006. Vol. 8. No. 11. p. 1329.
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TY - JOUR
DO - 10.1039/b517788j
UR - https://doi.org/10.1039/b517788j
TI - Role of dopant concentration and surface coating on photophysical properties of CdS: Eu3+ nanocrystals
T2 - Physical Chemistry Chemical Physics
AU - Saha Chowdhury, Paramita
AU - Patra, Amitava
PY - 2006
DA - 2006/02/02 00:00:00
PB - Royal Society of Chemistry (RSC)
SP - 1329
IS - 11
VL - 8
SN - 1463-9076
SN - 1463-9084
ER -
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@article{2006_Saha Chowdhury,
author = {Paramita Saha Chowdhury and Amitava Patra},
title = {Role of dopant concentration and surface coating on photophysical properties of CdS: Eu3+ nanocrystals},
journal = {Physical Chemistry Chemical Physics},
year = {2006},
volume = {8},
publisher = {Royal Society of Chemistry (RSC)},
month = {feb},
url = {https://doi.org/10.1039/b517788j},
number = {11},
pages = {1329},
doi = {10.1039/b517788j}
}
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Saha Chowdhury, Paramita, and Amitava Patra. “Role of dopant concentration and surface coating on photophysical properties of CdS: Eu3+ nanocrystals.” Physical Chemistry Chemical Physics, vol. 8, no. 11, Feb. 2006, p. 1329. https://doi.org/10.1039/b517788j.
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