Document Detail

Determination of thickness and optical constants of solgel derived polyvinylpyrrolidone/ZrO<sub>2</sub>films from transmission spectra using different dispersion models.
MedLine Citation:
PMID:  23052070     Owner:  NLM     Status:  In-Data-Review    
Transmission measurements have been used to investigate the optical properties of polyvinylpyrrolidone (PVP)/ZrO<sub>2</sub> films synthesized by the solgel route. The optical constants of PVP/ZrO<sub>2</sub> films deposited on quartz substrates were determined by fitting transmission spectra in the wavelength range of 200-800 nm with the Tauc-Lorentz and Cody-Lorentz physical models. Combined with Urbach tail, both models give a good description of transmission data and reveal that refractive index of film slightly decreases with increasing PVP mass fraction. X-ray reflectivity (XRR) measurements were also performed on PVP/ZrO<sub>2</sub> films to complement the thicknesses. The value of film thickness, including interface information from transmission spectra, is consistent with that result obtained from XRR, indicating that fitting transmission spectrum is a high reliable optical characterization.
Hongbao Jia; Jinghua Sun; Yao Xu; Dong Wu
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  51     ISSN:  1539-4522     ISO Abbreviation:  Appl Opt     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  6937-44     Citation Subset:  IM    
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