Ion Concentration Polarization for Microparticle Mesoporosity Differentiation

Research output: Contribution to journalArticleAcademicpeer-review

6 Downloads (Pure)

Abstract

Microparticle porosity is normally determined in bulk manner providing an ensemble average that hinders establishing the individual role of each microparticle. On the other hand, single particle characterization implies expensive technology. We propose to use ion concentration polarization to measure differences in mesoporosity at the single particle level. Ion concentration polarization occurs at the interface between an electrolyte and a porous particle when an electric field is applied. The extent of ion concentration polarization depends, among others, on the mesopore size and density. By using a fluorescence marker, we could measure differences in concentration polarization between particles with 3 and 13 nm average mesopore diameters. A qualitative model was developed in order to understand and interpret the phenomena. We believe that this inexpensive method could be used to measure differences in mesoporous particle materials such as catalysts.

Original languageEnglish
Pages (from-to)9704-9712
Number of pages9
JournalLangmuir
Volume35
Issue number30
DOIs
Publication statusPublished - 17 Jun 2019

Fingerprint

microparticles
ion concentration
Ions
Polarization
polarization
Electrolytes
Porosity
Fluorescence
markers
Electric fields
Catalysts
electrolytes
porosity
catalysts
fluorescence
electric fields

Keywords

  • UT-Hybrid-D

Cite this

@article{b3c15aaaf98f40d79d90629c061122b8,
title = "Ion Concentration Polarization for Microparticle Mesoporosity Differentiation",
abstract = "Microparticle porosity is normally determined in bulk manner providing an ensemble average that hinders establishing the individual role of each microparticle. On the other hand, single particle characterization implies expensive technology. We propose to use ion concentration polarization to measure differences in mesoporosity at the single particle level. Ion concentration polarization occurs at the interface between an electrolyte and a porous particle when an electric field is applied. The extent of ion concentration polarization depends, among others, on the mesopore size and density. By using a fluorescence marker, we could measure differences in concentration polarization between particles with 3 and 13 nm average mesopore diameters. A qualitative model was developed in order to understand and interpret the phenomena. We believe that this inexpensive method could be used to measure differences in mesoporous particle materials such as catalysts.",
keywords = "UT-Hybrid-D",
author = "Miguel Solsona and Papadimitriou, {Vasileios A.} and Wouter Olthuis and {Van Den Berg}, Albert and Eijkel, {Jan C.T.}",
note = "ACS deal",
year = "2019",
month = "6",
day = "17",
doi = "10.1021/acs.langmuir.9b00802",
language = "English",
volume = "35",
pages = "9704--9712",
journal = "Langmuir",
issn = "0743-7463",
publisher = "American Chemical Society",
number = "30",

}

Ion Concentration Polarization for Microparticle Mesoporosity Differentiation. / Solsona, Miguel; Papadimitriou, Vasileios A.; Olthuis, Wouter; Van Den Berg, Albert; Eijkel, Jan C.T.

In: Langmuir, Vol. 35, No. 30, 17.06.2019, p. 9704-9712.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Ion Concentration Polarization for Microparticle Mesoporosity Differentiation

AU - Solsona, Miguel

AU - Papadimitriou, Vasileios A.

AU - Olthuis, Wouter

AU - Van Den Berg, Albert

AU - Eijkel, Jan C.T.

N1 - ACS deal

PY - 2019/6/17

Y1 - 2019/6/17

N2 - Microparticle porosity is normally determined in bulk manner providing an ensemble average that hinders establishing the individual role of each microparticle. On the other hand, single particle characterization implies expensive technology. We propose to use ion concentration polarization to measure differences in mesoporosity at the single particle level. Ion concentration polarization occurs at the interface between an electrolyte and a porous particle when an electric field is applied. The extent of ion concentration polarization depends, among others, on the mesopore size and density. By using a fluorescence marker, we could measure differences in concentration polarization between particles with 3 and 13 nm average mesopore diameters. A qualitative model was developed in order to understand and interpret the phenomena. We believe that this inexpensive method could be used to measure differences in mesoporous particle materials such as catalysts.

AB - Microparticle porosity is normally determined in bulk manner providing an ensemble average that hinders establishing the individual role of each microparticle. On the other hand, single particle characterization implies expensive technology. We propose to use ion concentration polarization to measure differences in mesoporosity at the single particle level. Ion concentration polarization occurs at the interface between an electrolyte and a porous particle when an electric field is applied. The extent of ion concentration polarization depends, among others, on the mesopore size and density. By using a fluorescence marker, we could measure differences in concentration polarization between particles with 3 and 13 nm average mesopore diameters. A qualitative model was developed in order to understand and interpret the phenomena. We believe that this inexpensive method could be used to measure differences in mesoporous particle materials such as catalysts.

KW - UT-Hybrid-D

U2 - 10.1021/acs.langmuir.9b00802

DO - 10.1021/acs.langmuir.9b00802

M3 - Article

VL - 35

SP - 9704

EP - 9712

JO - Langmuir

JF - Langmuir

SN - 0743-7463

IS - 30

ER -