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Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating
Transparent films of cellulose nanocrystals (CNC) are prepared by dip-coating on glass substrates from aqueous suspensions of hydrolyzed filter paper. Dragging forces acting during films’ deposition promote a preferential alignment of the rod-shaped CNC. Films that are 2.8 and 6.0 µm in thickness sh...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6359005/ https://www.ncbi.nlm.nih.gov/pubmed/30602653 http://dx.doi.org/10.3390/nano9010045 |
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author | Mendoza-Galván, Arturo Tejeda-Galán, Tania Domínguez-Gómez, Amos B. Mauricio-Sánchez, Reina Araceli Järrendahl, Kenneth Arwin, Hans |
author_facet | Mendoza-Galván, Arturo Tejeda-Galán, Tania Domínguez-Gómez, Amos B. Mauricio-Sánchez, Reina Araceli Järrendahl, Kenneth Arwin, Hans |
author_sort | Mendoza-Galván, Arturo |
collection | PubMed |
description | Transparent films of cellulose nanocrystals (CNC) are prepared by dip-coating on glass substrates from aqueous suspensions of hydrolyzed filter paper. Dragging forces acting during films’ deposition promote a preferential alignment of the rod-shaped CNC. Films that are 2.8 and 6.0 µm in thickness show retardance effects, as evidenced by placing them between a linearly polarized light source and a linear polarizer sheet in the extinction configuration. Transmission Mueller matrix spectroscopic ellipsometry measurements at normal incidence as a function of sample rotation were used to characterize polarization properties. A differential decomposition of the Mueller matrix reveals linear birefringence as the unique polarization parameter. These results show a promising way for obtaining CNC birefringent films by a simple and controllable method. |
format | Online Article Text |
id | pubmed-6359005 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-63590052019-02-06 Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating Mendoza-Galván, Arturo Tejeda-Galán, Tania Domínguez-Gómez, Amos B. Mauricio-Sánchez, Reina Araceli Järrendahl, Kenneth Arwin, Hans Nanomaterials (Basel) Article Transparent films of cellulose nanocrystals (CNC) are prepared by dip-coating on glass substrates from aqueous suspensions of hydrolyzed filter paper. Dragging forces acting during films’ deposition promote a preferential alignment of the rod-shaped CNC. Films that are 2.8 and 6.0 µm in thickness show retardance effects, as evidenced by placing them between a linearly polarized light source and a linear polarizer sheet in the extinction configuration. Transmission Mueller matrix spectroscopic ellipsometry measurements at normal incidence as a function of sample rotation were used to characterize polarization properties. A differential decomposition of the Mueller matrix reveals linear birefringence as the unique polarization parameter. These results show a promising way for obtaining CNC birefringent films by a simple and controllable method. MDPI 2018-12-31 /pmc/articles/PMC6359005/ /pubmed/30602653 http://dx.doi.org/10.3390/nano9010045 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Mendoza-Galván, Arturo Tejeda-Galán, Tania Domínguez-Gómez, Amos B. Mauricio-Sánchez, Reina Araceli Järrendahl, Kenneth Arwin, Hans Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating |
title | Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating |
title_full | Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating |
title_fullStr | Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating |
title_full_unstemmed | Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating |
title_short | Linear Birefringent Films of Cellulose Nanocrystals Produced by Dip-Coating |
title_sort | linear birefringent films of cellulose nanocrystals produced by dip-coating |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6359005/ https://www.ncbi.nlm.nih.gov/pubmed/30602653 http://dx.doi.org/10.3390/nano9010045 |
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