Study of the effects of holmium and 2-aminoterephthalate additions on the optical properties of polyvinylidene fluoride

ABSTRACT

In the present work the optical properties of Polyvinylidene Fluoride (PVDF) have been studied as a function of the content of holmium oxide (Ho), 2-amino terephthalate (AMT) and Ho-AMT compounds as modifiers. The characterization of the samples performed by the Fourier Transform Infrared Spectroscopy (FT-IR), Optical Absorption (UV-Vis) and Optical Fluorescence Spectroscopy. The FT-IR studies have shown that the relative percentage of β phase does not change as a function of the concentration. The fluorescence measurements have shown that the AMT and Ho-AMT compound addition increase the bandwidth at half maxima of PVDF samples. Finally, these results reveal that the PVDF samples studied in this work have potential for some interesting optical applications.

KEYWORDS:

• Polyvinylidene fluoride
• 2-amino terephthalate
• holmium oxide
• optical property

Acknowledgments

The authors are thankful to the Brazilian Agencies, CAPES, CNPq (process 483683/2010-8 and 208232/2014-1) and FUNDECT, for the financial support of this work. E. A. Falcão also acknowledges UTSA and MeMDRL for hosting him under the NSF/INAMM and NSF ECCS 1002380 programs.