Printed Twisted Thin Films with Near-Infrared Bandgaps and Tailored Chiroptical Properties
Author Information
Author(s): Dimitrov Botyo, Bukharina Daria, Poliukhova Valeriia, Nepal Dhriti, McConney Michael E., Bunning Timothy J., Tsukruk Vladimir V.
Primary Institution: Georgia Institute of Technology
Hypothesis
Can twisted helical cellulose nanocrystal films be fabricated to achieve specific optical properties?
Conclusion
The study successfully demonstrates the fabrication of twisted helical cellulose nanocrystal films with tailored optical properties, including multiple circularly polarized bandgaps.
Supporting Evidence
- The films exhibit high transparency and clear optical properties.
- Multiple circularly polarized bandgaps were observed in the films.
- The study utilized a novel blade coating technique for film fabrication.
- Simulations supported the experimental findings regarding optical properties.
- The films can potentially be used in energy management applications.
Takeaway
Scientists made special films from tiny cellulose crystals that can control light in cool ways, like reflecting certain colors and making light twist.
Methodology
The films were created using a blade-based 3D printing method with cellulose nanocrystals organized in twisted layers.
Limitations
The study does not address the long-term stability of the optical properties in real-world conditions.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website