Out-of-equilibrium cellulose-based self-organized photonic structures

Maria Helena Godinho; Susete Fernandes; Pedro Almeida; Rafaela da Rosa

doi:10.1117/12.3022525

18 June 2024 Out-of-equilibrium cellulose-based self-organized photonic structures

Maria Helena Godinho, Susete Fernandes, Pedro Almeida, Rafaela da Rosa

Proceedings Volume PC13016, Liquid Crystals Optics and Photonic Devices; PC130160E (2024) https://doi.org/10.1117/12.3022525
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Cellulose, the main constituent of plants, plays a significant role in forming helical structures observed across different scales. These structures play a crucial role in creating structural coloration. This work focuses on molecular and nanoscale helical photonic arrangements in cellulose-based systems. Emphasis is given to cellulose nanocrystals, their interactions with water, and the formation of colorful structures in cellulose-based out-of-equilibrium systems. Specific systems with varying helicities and adaptive behaviors will be shown. The current findings suggest that significant work remains in out-of-equilibrium cellulosic colourful systems. Furthermore, there is much to be learned from nature's designs to create innovative helical functional materials featuring unique photonic properties.

Conference Presentation

Citation Download Citation

Maria Helena Godinho, Susete Fernandes, Pedro Almeida, and Rafaela da Rosa "Out-of-equilibrium cellulose-based self-organized photonic structures", Proc. SPIE PC13016, Liquid Crystals Optics and Photonic Devices, PC130160E (18 June 2024); https://doi.org/10.1117/12.3022525

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