Photoreceptor characteristics of barium titanate (BaTiO3)/polyvinylidene fluoride composite film

P. K. C. Pillai; James J. Lew; Athanasios Gavrielides; Christopher M. Clayton

doi:10.1117/12.19818

1 July 1990 Photoreceptor characteristics of barium titanate/polyvinylidene fluoride composite film

P. K. C. Pillai, James J. Lew, Athanasios Gavrielides, Christopher M. Clayton

Proceedings Volume 1253, Hard Copy and Printing Materials, Media, and Processes; (1990) https://doi.org/10.1117/12.19818
Event: Electronic Imaging: Advanced Devices and Systems, 1990, Santa Clara, CA, United States

Abstract

The photoferroelectric barium titanate (BaTiO3)/polyvinylidene fluoride (PVDF) composite films in the ratio 70:30 are found to possess good photosensitivity in the visible region of the spectrum. Results on the investigations of charge generation, trapping, recombination, discharge, and retention properties of the composite film are presented in this paper. The dark polarization and dark depolarization characteristics of the film show that it can accept and retain very high charge for a very long time. The charge decay properties of the dark polarized and photo depolarized electrosensitized sample indicate that it can be used successfully in electro-photographic applications as the dark decay is found to be slow while the light decay is very fast. In addition to this, the photo polarization and photo depolarization studies of the polarized films show that the film has very good remnant polarization,which persists for several hours to days. The persistence of polarization, its magnitude, and the decay characteristics depend on the charging conditions. The resultant dark and photo depolarization current values are found to increase linearly with increase of the poling field, illumination intensity, and poling time. The polarization properties of the film are comparable to that of the BaTiO3 single crystal. The results of the studies show that BaTiO3IPVDF composite films may find many interesting applications as a photoreceptor in the fields of electrophotography, holography, and optical memory. It may also be useful as a photorefractive nonlinear optical material.

Citation Download Citation

P. K. C. Pillai, James J. Lew, Athanasios Gavrielides, and Christopher M. Clayton "Photoreceptor characteristics of barium titanate/polyvinylidene fluoride composite film", Proc. SPIE 1253, Hard Copy and Printing Materials, Media, and Processes, (1 July 1990); https://doi.org/10.1117/12.19818

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
12 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Composites

Ferroelectric materials

Ferroelectric polymers

Polarization

Dielectrics

Electrons

Materials processing

Show All Keywords

Keywords/Phrases

Search In:

Publication Years