Tuning the Magnetism of Plasma-Synthesized Iron Nitride Nanoparticles

Application in Pervaporative Membranes

Emile Haye, Crosby Soon Chang, Gabriela Dudek, Thomas Hauet, Jaafar Ghanbaja, Yan Busby, Nathalie Job, Laurent Houssiau, Jean-Jacques Pireaux

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

The present work reports on the low-pressure, radio-frequency, plasma-driven synthesis of ε-Fe3N-type nanoparticles homogeneously deposited on a high-surface-area porous carbon support, with tunable magnetic properties, directly depending on the plasma treatment conditions. Iron nanoparticles are formed from the degradation of a solid organometallic precursor mixed with a carbon xerogel in a nitrogen-containing (argon/ammonia) plasma discharge. Variation of the working pressure during the plasma treatment directly affects the residence time of the reactive species, which determines the crystalline state of the nanoparticles, from amorphous at low-pressure treatment to well crystallized at high-pressure treatment. This results in a direct influence of the magnetic properties of the iron nitride nanoparticles. The working pressure results in two competing effects because it enhances the crystallinity (at higher pressure) and also slightly affects the surface chemistry of the nanoparticles by increasing the oxygen content, while the last is believed to deteriorate the magnetic properties; however, the crystallinity enhancement dominates. The synthesized FexN/CXG magnetic composites have been applied as filler materials in alginate membranes for ethanol dehydration in a pervaporation experiment. Results indicate a considerably enhanced performance of the alginate membrane as determined by its selectivity, the separation index, and the flux even when using a small FexN/CXG loading (3% w/w).
langue originaleAnglais
Pages (de - à)2484-2493
Nombre de pages10
journalACS Applied Nano Materials
Volume2
Numéro de publication4
Les DOIs
étatPublié - 26 avr. 2019

Empreinte digitale

nitrides
tuning
membranes
iron
nanoparticles
magnetic properties
crystallinity
low pressure
xerogels
carbon
fillers
dehydration
plasma jets
ammonia
radio frequencies
ethyl alcohol
selectivity
argon
chemistry
degradation

Citer ceci

Haye, Emile ; Soon Chang, Crosby ; Dudek, Gabriela ; Hauet, Thomas ; Ghanbaja, Jaafar ; Busby, Yan ; Job, Nathalie ; Houssiau, Laurent ; Pireaux, Jean-Jacques. / Tuning the Magnetism of Plasma-Synthesized Iron Nitride Nanoparticles : Application in Pervaporative Membranes. Dans: ACS Applied Nano Materials. 2019 ; Vol 2, Numéro 4. p. 2484-2493.
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title = "Tuning the Magnetism of Plasma-Synthesized Iron Nitride Nanoparticles: Application in Pervaporative Membranes",
abstract = "The present work reports on the low-pressure, radio-frequency, plasma-driven synthesis of ε-Fe3N-type nanoparticles homogeneously deposited on a high-surface-area porous carbon support, with tunable magnetic properties, directly depending on the plasma treatment conditions. Iron nanoparticles are formed from the degradation of a solid organometallic precursor mixed with a carbon xerogel in a nitrogen-containing (argon/ammonia) plasma discharge. Variation of the working pressure during the plasma treatment directly affects the residence time of the reactive species, which determines the crystalline state of the nanoparticles, from amorphous at low-pressure treatment to well crystallized at high-pressure treatment. This results in a direct influence of the magnetic properties of the iron nitride nanoparticles. The working pressure results in two competing effects because it enhances the crystallinity (at higher pressure) and also slightly affects the surface chemistry of the nanoparticles by increasing the oxygen content, while the last is believed to deteriorate the magnetic properties; however, the crystallinity enhancement dominates. The synthesized FexN/CXG magnetic composites have been applied as filler materials in alginate membranes for ethanol dehydration in a pervaporation experiment. Results indicate a considerably enhanced performance of the alginate membrane as determined by its selectivity, the separation index, and the flux even when using a small FexN/CXG loading (3{\%} w/w).",
keywords = "iron nitride, nanoparticles, radio-frequency plasma, ferromagnetism, pervaporative membrane",
author = "Emile Haye and {Soon Chang}, Crosby and Gabriela Dudek and Thomas Hauet and Jaafar Ghanbaja and Yan Busby and Nathalie Job and Laurent Houssiau and Jean-Jacques Pireaux",
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Tuning the Magnetism of Plasma-Synthesized Iron Nitride Nanoparticles : Application in Pervaporative Membranes. / Haye, Emile; Soon Chang, Crosby; Dudek, Gabriela; Hauet, Thomas; Ghanbaja, Jaafar; Busby, Yan; Job, Nathalie; Houssiau, Laurent; Pireaux, Jean-Jacques.

Dans: ACS Applied Nano Materials, Vol 2, Numéro 4, 26.04.2019, p. 2484-2493.

Résultats de recherche: Contribution à un journal/une revueArticle

TY - JOUR

T1 - Tuning the Magnetism of Plasma-Synthesized Iron Nitride Nanoparticles

T2 - Application in Pervaporative Membranes

AU - Haye, Emile

AU - Soon Chang, Crosby

AU - Dudek, Gabriela

AU - Hauet, Thomas

AU - Ghanbaja, Jaafar

AU - Busby, Yan

AU - Job, Nathalie

AU - Houssiau, Laurent

AU - Pireaux, Jean-Jacques

PY - 2019/4/26

Y1 - 2019/4/26

N2 - The present work reports on the low-pressure, radio-frequency, plasma-driven synthesis of ε-Fe3N-type nanoparticles homogeneously deposited on a high-surface-area porous carbon support, with tunable magnetic properties, directly depending on the plasma treatment conditions. Iron nanoparticles are formed from the degradation of a solid organometallic precursor mixed with a carbon xerogel in a nitrogen-containing (argon/ammonia) plasma discharge. Variation of the working pressure during the plasma treatment directly affects the residence time of the reactive species, which determines the crystalline state of the nanoparticles, from amorphous at low-pressure treatment to well crystallized at high-pressure treatment. This results in a direct influence of the magnetic properties of the iron nitride nanoparticles. The working pressure results in two competing effects because it enhances the crystallinity (at higher pressure) and also slightly affects the surface chemistry of the nanoparticles by increasing the oxygen content, while the last is believed to deteriorate the magnetic properties; however, the crystallinity enhancement dominates. The synthesized FexN/CXG magnetic composites have been applied as filler materials in alginate membranes for ethanol dehydration in a pervaporation experiment. Results indicate a considerably enhanced performance of the alginate membrane as determined by its selectivity, the separation index, and the flux even when using a small FexN/CXG loading (3% w/w).

AB - The present work reports on the low-pressure, radio-frequency, plasma-driven synthesis of ε-Fe3N-type nanoparticles homogeneously deposited on a high-surface-area porous carbon support, with tunable magnetic properties, directly depending on the plasma treatment conditions. Iron nanoparticles are formed from the degradation of a solid organometallic precursor mixed with a carbon xerogel in a nitrogen-containing (argon/ammonia) plasma discharge. Variation of the working pressure during the plasma treatment directly affects the residence time of the reactive species, which determines the crystalline state of the nanoparticles, from amorphous at low-pressure treatment to well crystallized at high-pressure treatment. This results in a direct influence of the magnetic properties of the iron nitride nanoparticles. The working pressure results in two competing effects because it enhances the crystallinity (at higher pressure) and also slightly affects the surface chemistry of the nanoparticles by increasing the oxygen content, while the last is believed to deteriorate the magnetic properties; however, the crystallinity enhancement dominates. The synthesized FexN/CXG magnetic composites have been applied as filler materials in alginate membranes for ethanol dehydration in a pervaporation experiment. Results indicate a considerably enhanced performance of the alginate membrane as determined by its selectivity, the separation index, and the flux even when using a small FexN/CXG loading (3% w/w).

KW - iron nitride

KW - nanoparticles

KW - radio-frequency plasma

KW - ferromagnetism

KW - pervaporative membrane

UR - http://www.mendeley.com/research/tuning-magnetism-plasmasynthesized-iron-nitride-nanoparticles-application-pervaporative-membranes

U2 - 10.1021/acsanm.9b00385

DO - 10.1021/acsanm.9b00385

M3 - Article

VL - 2

SP - 2484

EP - 2493

JO - ACS Applied Nano Materials

JF - ACS Applied Nano Materials

IS - 4

ER -