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Controlling the optical properties of nanostructured oxide-based polymer films
N C Angastiniotis1, S Christopoulos2, K C Petallidou3
1Department of Mechanical Engineering and Materials Science and Engineering, Cyprus University of Technology, Limassol, Cyprus.
Scientific Reports
|August 7, 2021
Summary
This study developed a scalable method to create nanostructured films with metal oxide nanoparticles (aluminum oxide, silicon dioxide, titanium dioxide) embedded in polymers. The process allows tuning film optical properties by controlling nanoparticle size and composition.
Area of Science:
- Materials Science
- Nanotechnology
- Polymer Science
Background:
- Nanostructured films offer unique optical properties.
- Controlling nanoparticle dispersion in polymer matrices is crucial for composite performance.
- Scalable production methods are needed for advanced material applications.
Purpose of the Study:
- To develop a bulk scale process for producing nanostructured film composites.
- To investigate the influence of metal oxide nanoparticles on film optical properties.
- To demonstrate the tunability of optical characteristics through nanoparticle engineering.
Main Methods:
- Chemical and mechanical treatment of metal oxide nanoparticles (Al2O3, SiO2, TiO2).
- Suspension of nanoparticles at optimal size and composition.
- Polymer extrusion technique for film fabrication with dispersed nanoparticles.
- Optical property characterization using transmission and reflection measurements (UV, VIS, IR).
Main Results:
- Successful fabrication of nanostructured film composites.
- Demonstrated control over nanoparticle dispersion and characteristics.
- Quantified optical properties of the films across UV, VIS, and IR spectra.
- Correlation established between nanoparticle type/size/composition and film optical behavior.
Conclusions:
- The developed methodology enables scalable production of nanostructured films.
- Film optical properties can be precisely regulated by tailoring nanoparticle characteristics.
- This approach is promising for creating advanced optical materials with tunable functionalities.
