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Optical studies in polyvinylidene difluoride material (PVDF)

 

作者: A.A. Higazy,   M.R. Issa,   M.E. Kassem,  

 

期刊: Radiation Effects and Defects in Solids  （Taylor Available online 1994）
卷期: Volume 129, issue 3-4  

页码: 293-299

 

ISSN:1042-0150

 

年代: 1994

 

DOI:10.1080/10420159408229029

 

出版商: Taylor & Francis Group

 

关键词: Polyvinylidene difluoride;UV absorption spectra;effect of γ-rays

 

数据来源: Taylor

 

摘要:

The optical absorption is studied as a function of γ-irradiation dose for polyvinylidene difluoride material (PVDF). Optical absorption spectra were measured in the wavelength range from 200 to 1100 nm at different γ-doses in the range from 25 to 300 Mrad. The absorption coefficient (α), absorption index (K) and the values of energy gaps (Eopt) and (ΔE) are found to be dependent on γ-doses. The increase in the degree of crystallinity of PVdF samples is due to irradiation.

 

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