IOSR Journals studied polyvinyl alcohol doped with ZnO nanoparticles at concentrations from 0 to 3 wt%. The nanocomposite films were characterized using XRD and FTIR, and optical properties were investigated via transmittance and reflectance spectra. The optical band gap, refractive index, extinction coefficient, and dielectric constant were determined.
Use Cases
- Modeling the relationship between ZnO concentration and optical band gap based on the described experimental results
- Analyzing the dispersion of refractive index using the Wemple-Didomenico model as described
- Comparing optical conductivity across different doping concentrations as mentioned in the findings
- Studying the direct transition absorption mechanism based on the optical absorption spectra analysis
Strengths
- The description specifies seven distinct ZnO doping concentrations (0, 0.15, 0.5, 1, 2, 2.5, and 3 wt%)
- Multiple characterization methods are listed: XRD, FTIR, transmittance and reflectance spectra
- Several calculated optical constants are named: optical band gap Eg, refractive index (n), extinction coefficient (k), dielectric constant
Limitations
- Column-level documentation is absent; field semantics must be inferred after download
- Row count is unknown, which may limit suitability assessment
- Last update date is unknown; freshness unverified
Provenance
- Source
- IOSR Journals
- Collection Method
- Experimental study using sol-gel and solution casting methods for film preparation