1. A Comprehensive Review on Optical Properties of Polymer Electrolytes and Composites
- Author
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Wrya O. Karim, Muaffaq M. Nofal, Ahang M. Hussein, Mohamad A. Brza, Shujahadeen B. Aziz, Sarkawt A. Hussen, and Rebar T. Abdulwahid
- Subjects
optical properties ,Materials science ,Band gap ,Physics::Optics ,02 engineering and technology ,Dielectric ,Review ,010402 general chemistry ,lcsh:Technology ,01 natural sciences ,Fast ion conductor ,polymer composite ,General Materials Science ,Composite material ,lcsh:Microscopy ,lcsh:QC120-168.85 ,chemistry.chemical_classification ,Nanocomposite ,lcsh:QH201-278.5 ,nanocomposite ,lcsh:T ,optical dielectric loss ,Polymer ,021001 nanoscience & nanotechnology ,0104 chemical sciences ,Condensed Matter::Soft Condensed Matter ,chemistry ,lcsh:TA1-2040 ,Atomic electron transition ,lcsh:Descriptive and experimental mechanics ,Dielectric loss ,polymer electrolyte ,taucs model ,lcsh:Electrical engineering. Electronics. Nuclear engineering ,lcsh:Engineering (General). Civil engineering (General) ,0210 nano-technology ,lcsh:TK1-9971 ,Refractive index - Abstract
Polymer electrolytes and composites have prevailed in the high performance and mobile marketplace during recent years. Polymer-based solid electrolytes possess the benefits of low flammability, excellent flexibility, good thermal stability, as well as higher safety. Several researchers have paid attention to the optical properties of polymer electrolytes and their composites. In the present review paper, first, the characteristics, fundamentals, advantages and principles of various types of polymer electrolytes were discussed. Afterward, the characteristics and performance of various polymer hosts on the basis of specific essential and newly published works were described. New developments in various approaches to investigate the optical properties of polymer electrolytes were emphasized. The last part of the review devoted to the optical band gap study using two methods: Tauc’s model and optical dielectric loss parameter. Based on recently published literature sufficient quantum mechanical backgrounds were provided to support the applicability of the optical dielectric loss parameter for the band gap study. In this review paper, it was demonstrated that both Tauc’s model and optical dielectric loss should be studied to specify the type of electron transition and estimate the optical band gap accurately. Other parameters such as absorption coefficient, refractive index and optical dielectric constant were also explored.
- Published
- 2020