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Title: Polyelectrolyte Complex Films Influence the Formation of Polycrystalline Micro-Structures

Abstract

Silica-carbonate biomorphs are inorganic materials composed of thousands of crystalline nanorods that assemble complex morphologies such as helices, vessels, and sheets. We investigate the effect on biomorph crystallization of polyelectrolyte complex films that are prepared using the layer-by-layer deposition technique and post-processed to obtain three stable, chemically distinct films. Biomorph growth on poly(diallyldimethylammonium)-dominated substrates (cationic) shows polycrystalline helical and sheet structures bounded by large witherite prisms. Crystallization on poly(styrenesulfonate)-dominated (anionic) and stoichiometric substrates follows a qualitatively different pathway. We observe islands of radial mineral films that over several days extend at a remarkably constant velocity of 0.48 µm/h and eventually mineralize the whole substrate. Our work opens exciting avenues for the use of polyelectrolyte films as tunable substrates for biomimetic crystallization.

Authors:
 [1];  [2];  [2];  [2]
  1. BATTELLE (PACIFIC NW LAB)
  2. Florida State University
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1607890
Report Number(s):
PNNL-SA-132766
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Soft Matter
Additional Journal Information:
Journal Volume: 14; Journal Issue: 16
Country of Publication:
United States
Language:
English

Citation Formats

Nakouzi, Elias, Fares, Hadi, Schlenoff, Joseph B., and Steinbock, Oliver. Polyelectrolyte Complex Films Influence the Formation of Polycrystalline Micro-Structures. United States: N. p., 2018. Web. doi:10.1039/C7SM02466E.
Nakouzi, Elias, Fares, Hadi, Schlenoff, Joseph B., & Steinbock, Oliver. Polyelectrolyte Complex Films Influence the Formation of Polycrystalline Micro-Structures. United States. https://doi.org/10.1039/C7SM02466E
Nakouzi, Elias, Fares, Hadi, Schlenoff, Joseph B., and Steinbock, Oliver. 2018. "Polyelectrolyte Complex Films Influence the Formation of Polycrystalline Micro-Structures". United States. https://doi.org/10.1039/C7SM02466E.
@article{osti_1607890,
title = {Polyelectrolyte Complex Films Influence the Formation of Polycrystalline Micro-Structures},
author = {Nakouzi, Elias and Fares, Hadi and Schlenoff, Joseph B. and Steinbock, Oliver},
abstractNote = {Silica-carbonate biomorphs are inorganic materials composed of thousands of crystalline nanorods that assemble complex morphologies such as helices, vessels, and sheets. We investigate the effect on biomorph crystallization of polyelectrolyte complex films that are prepared using the layer-by-layer deposition technique and post-processed to obtain three stable, chemically distinct films. Biomorph growth on poly(diallyldimethylammonium)-dominated substrates (cationic) shows polycrystalline helical and sheet structures bounded by large witherite prisms. Crystallization on poly(styrenesulfonate)-dominated (anionic) and stoichiometric substrates follows a qualitatively different pathway. We observe islands of radial mineral films that over several days extend at a remarkably constant velocity of 0.48 µm/h and eventually mineralize the whole substrate. Our work opens exciting avenues for the use of polyelectrolyte films as tunable substrates for biomimetic crystallization.},
doi = {10.1039/C7SM02466E},
url = {https://www.osti.gov/biblio/1607890}, journal = {Soft Matter},
number = 16,
volume = 14,
place = {United States},
year = {2018},
month = {4}
}

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