Emerging Developments on Nanocellulose as Liquid Crystals: A Biomimetic Approach

Area of Science:

• Biomimetics and Nanotechnology
• Materials Science
• Optics and Photonics

Background:

• Biomimetics draws inspiration from nature for scientific and engineering solutions.
• Cellulose nanocrystals (CNCs) are versatile, bio-based nanomaterials with high aspect ratios.
• CNCs exhibit high crystalline order and chirality in concentrated dispersions.

Purpose of the Study:

• To explore the potential of cellulose nanocrystals (CNCs) in biomimetic applications.
• To investigate CNCs for the fabrication of novel solvent-free liquid crystals.
• To highlight CNCs' suitability for photonic and electro-optical devices.

Main Methods:

• Isolation of CNCs from natural biomass.
• Characterization of CNCs' optical and chemical properties.
• Fabrication of CNC-based liquid crystals and films.

Main Results:

• CNCs possess remarkable optical and chemical properties.
• Early-stage research demonstrates CNCs can form liquid crystals.
• CNC films exhibit iridescent colors and birefringence.

Conclusions:

• CNCs are promising for advanced biomimetic applications.
• CNC-based liquid crystals offer unique solid-liquid properties.
• Iridescent CNC films are suitable for photonic devices like displays.