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RSC Advances, volume 8, issue 41, pages 22897-22908

Quantum dots to probe temperature and pressure in highly confined liquids

Sayed M B Albahrani 1
Tarek Seoudi 1
David Philippon 1
Lionel Lafarge 1
Peter Reiss 2
Hajjaji Hamza 3
GĂ©rard Guillot 3
Michel Querry 1
Jean Marie Bluet 3
Philippe Vergne 1
1
 
Univ Lyon, INSA Lyon, CNRS, LaMCoS, UMR5259, F-69621 Villeurbanne, France
3
 
Univ Lyon, INSA Lyon, CNRS, INL, UMR5270, F-69621 Villeurbanne, France
Publication typeJournal Article
Publication date2018-06-21
Journal: RSC Advances
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.9
ISSN20462069, 20462069
General Chemistry
General Chemical Engineering
Abstract
A new in situ technique for temperature and pressure measurement within dynamic thin-film flows of liquids is presented. The technique is based on the fluorescence emission sensitivity of CdSe/CdS/ZnS quantum dots to temperature and pressure variations. In this respect, the quantum dots were dispersed in squalane, and their emission energy dependence on temperature and pressure was calibrated under static conditions. Temperature calibration was established between 295 K and 393 K showing a temperature sensitivity of 0.32 meV K-1. Pressure calibration was, in turn, conducted up to 1.1 GPa using a diamond anvil cell, yielding a pressure sensitivity of 33.2 meV GPa-1. The potential of CdSe/CdS/ZnS quantum dots as sensors to probe temperature and pressure was proven by applying the in situ technique to thin films of liquids undergoing dynamic conditions. Namely, temperature rises have been measured in liquid films subjected to shear heating between two parallel plates in an optical rheometer. In addition, pressure rises have been measured in a lubricated point contact under pure rolling and isothermal conditions. In both cases, the measured values have been successfully compared with theoretical or numerical predictions. These comparisons allowed the validation of the new in situ technique and demonstrated the potential of the quantum dots for further mapping application in more complex and/or severe conditions.

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GOST Copy
Albahrani S. M. B. et al. Quantum dots to probe temperature and pressure in highly confined liquids // RSC Advances. 2018. Vol. 8. No. 41. pp. 22897-22908.
GOST all authors (up to 50) Copy
Albahrani S. M. B., Seoudi T., Philippon D., Lafarge L., Reiss P., Hamza H., Guillot G., Querry M., Bluet J. M., Vergne P. Quantum dots to probe temperature and pressure in highly confined liquids // RSC Advances. 2018. Vol. 8. No. 41. pp. 22897-22908.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1039/c8ra03652g
UR - https://doi.org/10.1039/c8ra03652g
TI - Quantum dots to probe temperature and pressure in highly confined liquids
T2 - RSC Advances
AU - Albahrani, Sayed M B
AU - Seoudi, Tarek
AU - Philippon, David
AU - Lafarge, Lionel
AU - Hamza, Hajjaji
AU - Guillot, GĂ©rard
AU - Querry, Michel
AU - Vergne, Philippe
AU - Reiss, Peter
AU - Bluet, Jean Marie
PY - 2018
DA - 2018/06/21 00:00:00
PB - Royal Society of Chemistry (RSC)
SP - 22897-22908
IS - 41
VL - 8
SN - 2046-2069
SN - 2046-2069
ER -
BibTex |
Cite this
BibTex Copy
@article{2018_Albahrani,
author = {Sayed M B Albahrani and Tarek Seoudi and David Philippon and Lionel Lafarge and Hajjaji Hamza and GĂ©rard Guillot and Michel Querry and Philippe Vergne and Peter Reiss and Jean Marie Bluet},
title = {Quantum dots to probe temperature and pressure in highly confined liquids},
journal = {RSC Advances},
year = {2018},
volume = {8},
publisher = {Royal Society of Chemistry (RSC)},
month = {jun},
url = {https://doi.org/10.1039/c8ra03652g},
number = {41},
pages = {22897--22908},
doi = {10.1039/c8ra03652g}
}
MLA
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MLA Copy
Albahrani, Sayed M. B., et al. “Quantum dots to probe temperature and pressure in highly confined liquids.” RSC Advances, vol. 8, no. 41, Jun. 2018, pp. 22897-22908. https://doi.org/10.1039/c8ra03652g.
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