Optical band gap modulation in functionalized chitosan biopolymer hybrids using absorption and derivative spectrum fitting methods: A spectroscopic analysis

DM Mamand, DS Muhammad, DQ Muheddin… - Scientific Reports, 2025 - nature.com
In this study, biopolymer composites based on chitosan (CS) with enhanced optical
properties were functionalized using Manganese metal complexes and black tea solution …

High-Refractive-Index Ethylene/Cyclic Olefin/Octene Terpolymers with High Optical Transparency

Y Zhao, L Cui, Y Zhang, Z Jian - Polymer, 2025 - Elsevier
Cyclic olefin copolymer is one of the most promising optical materials, but suffers from the
issue of relatively low refractive index. The incorporation of 1-olefin into the polymer chain …