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Title: Jammed Limit of Bijel Structure Formation

Abstract

Over the past decade, methods to control microstructure in heterogeneous mixtures by arresting spinodal decomposition via the addition of colloidal particles have led to an entirely new class of bicontinuous materials known as bijels. We present a new model for the development of these materials that yields to both numerical and analytical evaluation. This model reveals that a single dimensionless parameter that captures both chemical and environmental variables dictates the dynamics and ultimate structure formed in bijels. We also demonstrate that this parameter must fall within a fixed range in order for jamming to occur during spinodal decomposition, as well as show that known experimental trends for the characteristic domain sizes and time scales for formation are recovered by this model.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Theoretical Division and Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87544, United States
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1408840
Report Number(s):
LA-UR-17-25401
Journal ID: ISSN 0743-7463
Grant/Contract Number:
AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Langmuir
Additional Journal Information:
Journal Volume: 33; Journal Issue: 45; Journal ID: ISSN 0743-7463
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Material Science

Citation Formats

Welch, P. M., Lee, M. N., Parra-Vasquez, A. N. G., and Welch, C. F. Jammed Limit of Bijel Structure Formation. United States: N. p., 2017. Web. doi:10.1021/acs.langmuir.7b02805.
Welch, P. M., Lee, M. N., Parra-Vasquez, A. N. G., & Welch, C. F. Jammed Limit of Bijel Structure Formation. United States. doi:10.1021/acs.langmuir.7b02805.
Welch, P. M., Lee, M. N., Parra-Vasquez, A. N. G., and Welch, C. F. Thu . "Jammed Limit of Bijel Structure Formation". United States. doi:10.1021/acs.langmuir.7b02805.
@article{osti_1408840,
title = {Jammed Limit of Bijel Structure Formation},
author = {Welch, P. M. and Lee, M. N. and Parra-Vasquez, A. N. G. and Welch, C. F.},
abstractNote = {Over the past decade, methods to control microstructure in heterogeneous mixtures by arresting spinodal decomposition via the addition of colloidal particles have led to an entirely new class of bicontinuous materials known as bijels. We present a new model for the development of these materials that yields to both numerical and analytical evaluation. This model reveals that a single dimensionless parameter that captures both chemical and environmental variables dictates the dynamics and ultimate structure formed in bijels. We also demonstrate that this parameter must fall within a fixed range in order for jamming to occur during spinodal decomposition, as well as show that known experimental trends for the characteristic domain sizes and time scales for formation are recovered by this model.},
doi = {10.1021/acs.langmuir.7b02805},
journal = {Langmuir},
number = 45,
volume = 33,
place = {United States},
year = {Thu Nov 02 00:00:00 EDT 2017},
month = {Thu Nov 02 00:00:00 EDT 2017}
}

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on November 2, 2018
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