The polymer nanocomposites embedded particles size and agglomeration effect on the effective refractive index tuning

Sipan Liu; Md Didarul Islam; Zahyun Ku; Augustine M. Urbas; Darryl A. Boyd; Woohong Kim; Jasbinder S. Sanghera; Jong E. Ryu

doi:10.1117/12.2594382

3 August 2021 The polymer nanocomposites embedded particles size and agglomeration effect on the effective refractive index tuning

Sipan Liu, Md Didarul Islam, Zahyun Ku, Augustine M. Urbas, Darryl A. Boyd, Woohong Kim, Jasbinder S. Sanghera, Jong E. Ryu

Author Affiliations +

Proceedings Volume 11802, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVIII; 118020L (2021) https://doi.org/10.1117/12.2594382
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

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Abstract

The polymer nanocomposites have attracted increasing attention in the optical components that are miniaturized and integrated with wearable or portable electronics due to the polymer processibility and the tunability of the refractive index (RI) by adding nanoparticles. However, the lack of models predicting the composites’ RI attributed to the morphology, physical properties, as well as volume fraction of the nanoparticles poses difficulties in the design. This study investigates the effect of the size and agglomeration condition of the nanoparticles on the effective RI based on a Finite Element Analysis (FEA) method simulating the Fabry-Pérot resonance within the composite film. The result showed that larger particles (or particle clusters) could reinforce the RI of nanocomposites compared with the well-dispersed small particles. The particle-cluster model had lower RI than the single-solid-particle model with the same effective particle diameter, demonstrating that the particle cluster provides less scattering intensity than the single-solid-particle.

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Sipan Liu, Md Didarul Islam, Zahyun Ku, Augustine M. Urbas, Darryl A. Boyd, Woohong Kim, Jasbinder S. Sanghera, and Jong E. Ryu "The polymer nanocomposites embedded particles size and agglomeration effect on the effective refractive index tuning", Proc. SPIE 11802, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVIII, 118020L (3 August 2021); https://doi.org/10.1117/12.2594382

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