Reference : Correlation between structural properties and iridescent colors of cellulose nanocrys...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/28422
Correlation between structural properties and iridescent colors of cellulose nanocrystalline films
English
Licen, M. V. []
Majaron, B. []
Noh, Junghyun mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Schütz, Christina []
Bergström, Lennart mailto []
Lagerwall, Jan mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Drevensek-Olenik, Irena mailto []
13-Sep-2016
Cellulose
Springer
Yes (verified by ORBilu)
International
0969-0239
1572-882X
The Netherlands
[en] Cellulose nanocrystals ; Cholesteric liquid crystal ; Photonic crystal
[en] We investigate the effect of shear flow applied during the drying of aqueous suspension of cellulose nanocrystals on optical reflective properties and structural characteristics of the resulting solidified films. Shear flow can significantly improve internal structural homogeneity of the films, while its effect on optical reflective properties is relatively minor. The measured width of the selective reflection peak is an order of magnitude larger than expected for an ideal helically modulated structure, which reflects a distribution of pitch values and possibly also of regimes of distorted helical modulation. We attribute these imperfections to the broad size distribution of the cellulose nanocrystals.
National Research Program of Slovenia P1-0192 ; Wallenberg Wood Science Center (WWSC) ; Research Foundation – Flanders (FWO)
Researchers ; Professionals
http://hdl.handle.net/10993/28422
10.1007/s10570-016-1066-z

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