Piezo and pyroelectricity and structure of doped polymers

Author

Danz, R. ; Elling, B. ; Künstler, W. ; Pinnow, M. ; Schmolke, R. ; Wedel, A. ; Geiß, D.

Author_Institution

Inst. of Polymer Chem., Acad. of Sci., Telrow, East Germany

Volume

25

Issue

2

fYear

1990

fDate

4/1/1990 12:00:00 AM

Firstpage

325

Lastpage

330

Abstract

A description is given of the doping of polymer films with dyes and plasticizer and their influence on the electrical properties and structure of polymers. Doping of polyvinylidene fluoride (PVDF) with the dye crystal violet results in B-structure modification without stretching and produces piezo- and pyroelectric polymer films with a high absorbance in the visible range. The field dependence of the piezoelectric strain coefficient d₃₁ and the remanent polarization of polyethylene-oxide-doped PVDF films displays a shift to lower fields, which is attributed to a plasticizer effect. The incorporation of the dye disperse red in polymethylmethacrylate results in a significant increase of pyroelectric activity

Keywords

piezoelectric materials; polymer films; pyroelectricity; B-structure modification; PMMA; PVDF; crystal violet dye; disperse red dye; dyes; electrical properties; field dependence; high absorbance; piezoelectric polymer films; piezoelectric strain coefficient; plasticizer effect; polyethylene-oxide-doped PVDF films; polymer films; polymethylmethacrylate; polyvinylidene fluoride; pyroelectric activity; pyroelectric polymer films; pyroelectricity; remanent polarization; structure of doped polymers; Doping; Glass; Nonlinear optics; Optical films; Optical polymers; Piezoelectric films; Plastic films; Polymer films; Pyroelectricity; Temperature;

fLanguage

English

Journal_Title

Electrical Insulation, IEEE Transactions on

Publisher

ieee

ISSN

0018-9367

Type

jour

DOI

10.1109/14.52379

Filename

52379