Abstract
In this paper, we report the fabrication the methacryl-oligosiloxane nano hybrid films from 3-(trimethoxysilyl)propyl methacrylate (MPTS) and diphenylsilanediol (DPSD), and the investigation of the tuneability of the optical characteristics of the films through the compositional change. The viscosity of the methacryl-oligosiloxane nano hybrid resin was altered at 102 intervals by the compositional modification without any drastic changes in the reaction parameters, and thickness-controlled (from 11 to 150 µm) and uniformly coated (less than 1 nm root-mean-square roughness) films were obtained through a single coating step. The refractive indices were tunable from 1.506 to 1.543, depending on composition. On the other hand, the thermo-optic coefficients remained constant (-2 × 10-4/°C), independent of composition. Also, we demonstrated a thick (170 µm) photo pattern with a high aspect ratio (3:1). Methacryl-oligosiloxane nano hybrid materials can be promising candidates for the optical applications due to easy and wide tuneability of their optical parameters.
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Eo, YJ., Jeong Hwan, K., Ji Hoon, K. et al. Optical characteristics of photo-curable methacryl-oligosiloxane nano hybrid thick films. Journal of Materials Research 20, 401–408 (2005). https://doi.org/10.1557/JMR.2005.0045
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DOI: https://doi.org/10.1557/JMR.2005.0045