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Investigation on the Photoinduced Interaction Between Water Soluble CdTe Quantum Dots and Certain Antioxidants

Jhonsi, Mariadoss Asha ; Vaishnavi, Ellappan ; Suganya, Raja ; Kathiravan, Arunkumar LU and Renganathan, Rajalingam (2011) In Advanced Science Letters 4(11-12). p.3490-3495
Abstract
Photoinduced interaction of thioglycolic acid (TGA) capped CdTe quantum dots (QDs) with certain antioxidants such as estrogens and flavonoids has been investigated by using steady state and time resolved fluorescence spectroscopy. Reduction of electron-hole recombination has been observed (i.e., fluorescence quenching) while adding antioxidants to CdTe QDs. The Stern-Volmer constant (K-SV), quenching rate constant (k(q)) and binding constants (K) were obtained from fluorescence quenching data. The antioxidant interacts with QDs through static quenching, which was confirmed by unaltered fluorescence lifetime.
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
TGA-CdTe QDs, Estrogens, Flavonoids, Fluorescence Quenching
in
Advanced Science Letters
volume
4
issue
11-12
pages
3490 - 3495
publisher
American Scientific Publishers
external identifiers
  • wos:000302390200030
  • scopus:84856726661
ISSN
1936-6612
DOI
10.1166/asl.2011.1895
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Physics (S) (011001060)
id
86d6bd89-61c1-4eee-8a0a-8601f4609498 (old id 2594771)
date added to LUP
2016-04-01 10:55:18
date last changed
2021-09-22 04:27:19
@article{86d6bd89-61c1-4eee-8a0a-8601f4609498,
  abstract     = {Photoinduced interaction of thioglycolic acid (TGA) capped CdTe quantum dots (QDs) with certain antioxidants such as estrogens and flavonoids has been investigated by using steady state and time resolved fluorescence spectroscopy. Reduction of electron-hole recombination has been observed (i.e., fluorescence quenching) while adding antioxidants to CdTe QDs. The Stern-Volmer constant (K-SV), quenching rate constant (k(q)) and binding constants (K) were obtained from fluorescence quenching data. The antioxidant interacts with QDs through static quenching, which was confirmed by unaltered fluorescence lifetime.},
  author       = {Jhonsi, Mariadoss Asha and Vaishnavi, Ellappan and Suganya, Raja and Kathiravan, Arunkumar and Renganathan, Rajalingam},
  issn         = {1936-6612},
  language     = {eng},
  number       = {11-12},
  pages        = {3490--3495},
  publisher    = {American Scientific Publishers},
  series       = {Advanced Science Letters},
  title        = {Investigation on the Photoinduced Interaction Between Water Soluble CdTe Quantum Dots and Certain Antioxidants},
  url          = {http://dx.doi.org/10.1166/asl.2011.1895},
  doi          = {10.1166/asl.2011.1895},
  volume       = {4},
  year         = {2011},
}