Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation Mechanisms

In this paper, we report a study on the nucleation behavior of potassium sulfate (K<sub>2</sub>SO<sub>4</sub>) from aqueous solutions under the influence of unfocused nanosecond laser pulses. The objective is to contribute to the general understanding of the Non-Photochemical...

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Main Authors: Mélody Briard, Clément Brandel, Sandrine Morin-Grognet, Gérard Coquerel, Valérie Dupray
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Crystals
Subjects:
Online Access:https://www.mdpi.com/2073-4352/11/12/1571
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author Mélody Briard
Clément Brandel
Sandrine Morin-Grognet
Gérard Coquerel
Valérie Dupray
author_facet Mélody Briard
Clément Brandel
Sandrine Morin-Grognet
Gérard Coquerel
Valérie Dupray
author_sort Mélody Briard
collection DOAJ
description In this paper, we report a study on the nucleation behavior of potassium sulfate (K<sub>2</sub>SO<sub>4</sub>) from aqueous solutions under the influence of unfocused nanosecond laser pulses. The objective is to contribute to the general understanding of the Non-Photochemical Laser-Induced Nucleation (NPLIN) mechanism. First, the influence of several parameters such as supersaturation as well as laser parameters (pulse energy, number of pulses, and laser polarization) on induction time, probability of nucleation and mean number of crystals in comparison with spontaneous nucleation was investigated. Then, we examined the influence of gas composition (i.e., degassing and gas bubbling (CO<sub>2</sub> and N<sub>2</sub>)) of the supersaturated solutions on the NPLIN kinetics, showing no correlation between gas content (or nature) on the crystallization behavior. Our study questions the role of impurities within the solution regarding the mechanism of laser-induced nucleation.
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spelling doaj.art-11b46b469bfd41b683ee830eb588d7172023-11-23T07:49:34ZengMDPI AGCrystals2073-43522021-12-011112157110.3390/cryst11121571Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation MechanismsMélody Briard0Clément Brandel1Sandrine Morin-Grognet2Gérard Coquerel3Valérie Dupray4Laboratoire Sciences et Méthodes Séparatives, Université de Rouen-Normandie, Normandie Université, 76000 Rouen, FranceLaboratoire Sciences et Méthodes Séparatives, Université de Rouen-Normandie, Normandie Université, 76000 Rouen, FrancePolymères, Biopolymères, Surfaces, Université de Rouen-Normandie, Normandie Université, INSA Rouen, Centre National de la Recherche Scientifique, 55 rue Saint-Germain, 27000 Évreux, FranceLaboratoire Sciences et Méthodes Séparatives, Université de Rouen-Normandie, Normandie Université, 76000 Rouen, FranceLaboratoire Sciences et Méthodes Séparatives, Université de Rouen-Normandie, Normandie Université, 76000 Rouen, FranceIn this paper, we report a study on the nucleation behavior of potassium sulfate (K<sub>2</sub>SO<sub>4</sub>) from aqueous solutions under the influence of unfocused nanosecond laser pulses. The objective is to contribute to the general understanding of the Non-Photochemical Laser-Induced Nucleation (NPLIN) mechanism. First, the influence of several parameters such as supersaturation as well as laser parameters (pulse energy, number of pulses, and laser polarization) on induction time, probability of nucleation and mean number of crystals in comparison with spontaneous nucleation was investigated. Then, we examined the influence of gas composition (i.e., degassing and gas bubbling (CO<sub>2</sub> and N<sub>2</sub>)) of the supersaturated solutions on the NPLIN kinetics, showing no correlation between gas content (or nature) on the crystallization behavior. Our study questions the role of impurities within the solution regarding the mechanism of laser-induced nucleation.https://www.mdpi.com/2073-4352/11/12/1571NPLINpulsed lasernucleationpotassium sulfatecavitation mechanism
spellingShingle Mélody Briard
Clément Brandel
Sandrine Morin-Grognet
Gérard Coquerel
Valérie Dupray
Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation Mechanisms
Crystals
NPLIN
pulsed laser
nucleation
potassium sulfate
cavitation mechanism
title Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation Mechanisms
title_full Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation Mechanisms
title_fullStr Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation Mechanisms
title_full_unstemmed Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation Mechanisms
title_short Potassium Sulfate: A New Candidate to Explore Non-Photochemical Laser-Induced Nucleation Mechanisms
title_sort potassium sulfate a new candidate to explore non photochemical laser induced nucleation mechanisms
topic NPLIN
pulsed laser
nucleation
potassium sulfate
cavitation mechanism
url https://www.mdpi.com/2073-4352/11/12/1571
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AT clementbrandel potassiumsulfateanewcandidatetoexplorenonphotochemicallaserinducednucleationmechanisms
AT sandrinemoringrognet potassiumsulfateanewcandidatetoexplorenonphotochemicallaserinducednucleationmechanisms
AT gerardcoquerel potassiumsulfateanewcandidatetoexplorenonphotochemicallaserinducednucleationmechanisms
AT valeriedupray potassiumsulfateanewcandidatetoexplorenonphotochemicallaserinducednucleationmechanisms