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Cellulose-based helical micro/nano filaments and films
If you have a question about this talk, please contact Sharon Connor.
Helical micro/nano filaments are ubiquitous in plants at various scales ranging from tendrils with millimeter diameters to micro helices existing in plants tracheary elements . Multilayered cellulose-based helicoidal structures were also found in certain fruits being responsible for their iridescent colors . Inspired by these helical structures filaments with intrinsic curvature  and cellulose-based structures that can reflect both left and right circularly polarized light  are presented. In this work we also discuss how the helical configuration of micro/nano elastic filaments and cellulose-based nanostructures can be precisely shaped.
 D.G. Gray, Cellulose, 21(5), 3181, 2014  S. Vignolini, P.J. Rudall, A.V. Rowland, A. Reed, E. Moyroud, R.B. Faden, J.J. Baumberg, B.J. Glover, U. Steiner, PNAS , 109(39), 15712, 2012  P.E.S. Silva, J.L. Trigueiros, A.C. Trindade, R. Simões, R.G. Dias, M.H. Godinho, F. Vistulo de Abreu, Scientific Reports, 6, 23413, 2016  Susete N Fernandes, Pedro L Almeida, Nuno Monge, Luis E Aguirre, Dennys Reis, Cristiano LP de Oliveira, António MF Neto, Pawel Pieranski, Maria H Godinho, Advanced Materials, 29(2), 1603560, 2017
This talk is part of the Materials Chemistry Research Interest Group series.
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