Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness

Sonal Mazumder; Yanfang Fan; Chris J. Cornelius

doi:doi:10.11648/j.ijmsa.20150402.11

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Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness

Sonal Mazumder, Yanfang Fan, Chris J. Cornelius

Published in International Journal of Materials Science and Applications (Volume 4, Issue 2)

Received: 10 January 2015 Accepted: 8 February 2015 Published: 16 February 2015

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Abstract

Surface hydrophobicity changes of a series of nanocomposite films were evaluated as a function of roughness and ionomer concentration. Nanocomposite surfaces were created by coating a smooth silicon wafer and micro textured surfaces based on two types of 3M micro-replicated Brightness Enhancement Films (BEF). Multiple nanocomposite surfaces were evaluated as a function of Pt/C catalyst, a single walled carbon nanotube (SWCNT), and ionomer concentration varying between 7.5 to 27.3 wt% Nafion. An increase in hydrophobicity was observed for all nanocomposite surfaces as compared to bare substrates coated with ionomer. Bare substrates had observed water contact angles of 32.5o on silicon, 50.8o on BEF type Y, and 91.2o on BEF type P. Nanocomposites coated on BEF type P surfaces had the greatest increase in apparent contact angle starting from 101.5o on a surface coated with ionomer to 140.6o for an ionomer composite containing 100 wt% Pt/C followed by BEF type Y (78.4o - 135.4o) and Si (76.9o - 135.8o). Nanocomposite roughness increased with increasing ionomer concentration and was inversely related to the apparent contact angle of water. Nanocomposite wetting properties were strongly dependent upon ionomer concentration and micro scale roughness contributed to wetting behavior transitioning between Wenzel and Cassie modes.

Published in	International Journal of Materials Science and Applications (Volume 4, Issue 2)
DOI	10.11648/j.ijmsa.20150402.11
Page(s)	69-76
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Hydrophobicity, Contact Angle, Wetting, Wenzel and Cassie Model, Nanocomposite, Ionomer, Carbon Nanotube

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APA Style

Sonal Mazumder, Yanfang Fan, Chris J. Cornelius. (2015). Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness. International Journal of Materials Science and Applications, 4(2), 69-76. https://doi.org/10.11648/j.ijmsa.20150402.11

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ACS Style

Sonal Mazumder; Yanfang Fan; Chris J. Cornelius. Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness. Int. J. Mater. Sci. Appl. 2015, 4(2), 69-76. doi: 10.11648/j.ijmsa.20150402.11

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AMA Style

Sonal Mazumder, Yanfang Fan, Chris J. Cornelius. Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness. Int J Mater Sci Appl. 2015;4(2):69-76. doi: 10.11648/j.ijmsa.20150402.11

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@article{10.11648/j.ijmsa.20150402.11,
  author = {Sonal Mazumder and Yanfang Fan and Chris J. Cornelius},
  title = {Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {2},
  pages = {69-76},
  doi = {10.11648/j.ijmsa.20150402.11},
  url = {https://doi.org/10.11648/j.ijmsa.20150402.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150402.11},
  abstract = {Surface hydrophobicity changes of a series of nanocomposite films were evaluated as a function of roughness and ionomer concentration. Nanocomposite surfaces were created by coating a smooth silicon wafer and micro textured surfaces based on two types of 3M micro-replicated Brightness Enhancement Films (BEF). Multiple nanocomposite surfaces were evaluated as a function of Pt/C catalyst, a single walled carbon nanotube (SWCNT), and ionomer concentration varying between 7.5 to 27.3 wt% Nafion. An increase in hydrophobicity was observed for all nanocomposite surfaces as compared to bare substrates coated with ionomer. Bare substrates had observed water contact angles of 32.5o on silicon, 50.8o on BEF type Y, and 91.2o on BEF type P. Nanocomposites coated on BEF type P surfaces had the greatest increase in apparent contact angle starting from 101.5o on a surface coated with ionomer to 140.6o for an ionomer composite containing 100 wt% Pt/C followed by BEF type Y (78.4o - 135.4o) and Si (76.9o - 135.8o). Nanocomposite roughness increased with increasing ionomer concentration and was inversely related to the apparent contact angle of water. Nanocomposite wetting properties were strongly dependent upon ionomer concentration and micro scale roughness contributed to wetting behavior transitioning between Wenzel and Cassie modes.},
 year = {2015}
}

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TY  - JOUR
T1  - Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness
AU  - Sonal Mazumder
AU  - Yanfang Fan
AU  - Chris J. Cornelius
Y1  - 2015/02/16
PY  - 2015
N1  - https://doi.org/10.11648/j.ijmsa.20150402.11
DO  - 10.11648/j.ijmsa.20150402.11
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 69
EP  - 76
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20150402.11
AB  - Surface hydrophobicity changes of a series of nanocomposite films were evaluated as a function of roughness and ionomer concentration. Nanocomposite surfaces were created by coating a smooth silicon wafer and micro textured surfaces based on two types of 3M micro-replicated Brightness Enhancement Films (BEF). Multiple nanocomposite surfaces were evaluated as a function of Pt/C catalyst, a single walled carbon nanotube (SWCNT), and ionomer concentration varying between 7.5 to 27.3 wt% Nafion. An increase in hydrophobicity was observed for all nanocomposite surfaces as compared to bare substrates coated with ionomer. Bare substrates had observed water contact angles of 32.5o on silicon, 50.8o on BEF type Y, and 91.2o on BEF type P. Nanocomposites coated on BEF type P surfaces had the greatest increase in apparent contact angle starting from 101.5o on a surface coated with ionomer to 140.6o for an ionomer composite containing 100 wt% Pt/C followed by BEF type Y (78.4o - 135.4o) and Si (76.9o - 135.8o). Nanocomposite roughness increased with increasing ionomer concentration and was inversely related to the apparent contact angle of water. Nanocomposite wetting properties were strongly dependent upon ionomer concentration and micro scale roughness contributed to wetting behavior transitioning between Wenzel and Cassie modes.
VL  - 4
IS  - 2
ER  -

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Author Information

Sonal Mazumder

Department of Macromolecular Science and Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA
Yanfang Fan

Department of Chemical Engineering, Georgia Tech, Atlanta, USA
Chris J. Cornelius

Department of Chemical & Bimolecular Engineering, University of Nebraska, Lincoln, USA

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APA Style

Sonal Mazumder, Yanfang Fan, Chris J. Cornelius. (2015). Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness. International Journal of Materials Science and Applications, 4(2), 69-76. https://doi.org/10.11648/j.ijmsa.20150402.11

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ACS Style

Sonal Mazumder; Yanfang Fan; Chris J. Cornelius. Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness. Int. J. Mater. Sci. Appl. 2015, 4(2), 69-76. doi: 10.11648/j.ijmsa.20150402.11

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AMA Style

Sonal Mazumder, Yanfang Fan, Chris J. Cornelius. Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness. Int J Mater Sci Appl. 2015;4(2):69-76. doi: 10.11648/j.ijmsa.20150402.11

Copy | Download

@article{10.11648/j.ijmsa.20150402.11,
  author = {Sonal Mazumder and Yanfang Fan and Chris J. Cornelius},
  title = {Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {2},
  pages = {69-76},
  doi = {10.11648/j.ijmsa.20150402.11},
  url = {https://doi.org/10.11648/j.ijmsa.20150402.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150402.11},
  abstract = {Surface hydrophobicity changes of a series of nanocomposite films were evaluated as a function of roughness and ionomer concentration. Nanocomposite surfaces were created by coating a smooth silicon wafer and micro textured surfaces based on two types of 3M micro-replicated Brightness Enhancement Films (BEF). Multiple nanocomposite surfaces were evaluated as a function of Pt/C catalyst, a single walled carbon nanotube (SWCNT), and ionomer concentration varying between 7.5 to 27.3 wt% Nafion. An increase in hydrophobicity was observed for all nanocomposite surfaces as compared to bare substrates coated with ionomer. Bare substrates had observed water contact angles of 32.5o on silicon, 50.8o on BEF type Y, and 91.2o on BEF type P. Nanocomposites coated on BEF type P surfaces had the greatest increase in apparent contact angle starting from 101.5o on a surface coated with ionomer to 140.6o for an ionomer composite containing 100 wt% Pt/C followed by BEF type Y (78.4o - 135.4o) and Si (76.9o - 135.8o). Nanocomposite roughness increased with increasing ionomer concentration and was inversely related to the apparent contact angle of water. Nanocomposite wetting properties were strongly dependent upon ionomer concentration and micro scale roughness contributed to wetting behavior transitioning between Wenzel and Cassie modes.},
 year = {2015}
}

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TY  - JOUR
T1  - Carbon-Ionomer Nanocomposite Wetting Properties: The Role of Ionomer Composition and Surface Roughness
AU  - Sonal Mazumder
AU  - Yanfang Fan
AU  - Chris J. Cornelius
Y1  - 2015/02/16
PY  - 2015
N1  - https://doi.org/10.11648/j.ijmsa.20150402.11
DO  - 10.11648/j.ijmsa.20150402.11
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 69
EP  - 76
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20150402.11
AB  - Surface hydrophobicity changes of a series of nanocomposite films were evaluated as a function of roughness and ionomer concentration. Nanocomposite surfaces were created by coating a smooth silicon wafer and micro textured surfaces based on two types of 3M micro-replicated Brightness Enhancement Films (BEF). Multiple nanocomposite surfaces were evaluated as a function of Pt/C catalyst, a single walled carbon nanotube (SWCNT), and ionomer concentration varying between 7.5 to 27.3 wt% Nafion. An increase in hydrophobicity was observed for all nanocomposite surfaces as compared to bare substrates coated with ionomer. Bare substrates had observed water contact angles of 32.5o on silicon, 50.8o on BEF type Y, and 91.2o on BEF type P. Nanocomposites coated on BEF type P surfaces had the greatest increase in apparent contact angle starting from 101.5o on a surface coated with ionomer to 140.6o for an ionomer composite containing 100 wt% Pt/C followed by BEF type Y (78.4o - 135.4o) and Si (76.9o - 135.8o). Nanocomposite roughness increased with increasing ionomer concentration and was inversely related to the apparent contact angle of water. Nanocomposite wetting properties were strongly dependent upon ionomer concentration and micro scale roughness contributed to wetting behavior transitioning between Wenzel and Cassie modes.
VL  - 4
IS  - 2
ER  -

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