Investigation of order and optical switching in ultrathin films of azo-containing materials using dielectric spectroscopy

Author

Buchsteiner, A. ; Brehmer, L.

Author_Institution

Inst. of Phys., Potsdam Univ., Germany

Volume

8

Issue

3

fYear

2001

fDate

6/1/2001 12:00:00 AM

Firstpage

516

Lastpage

521

Abstract

The azobenzene group is known for its cis-trans isomerism under irradiation with blue and ultraviolet light, respectively. New organic materials with different dipole moments were used to investigate the effect of molecular parameters on supramolecular film properties of ultrathin films. The influence of dipole moment and the molecular environment of the materials on the switching process is examined by means of dielectric spectroscopy

Keywords

dielectric thin films; isomerisation; optical films; optical switches; organic compounds; permittivity; photochemistry; azo-containing materials; azobenzene group; blue light; cis-trans isomerism; dielectric spectroscopy; dipole moment; dipole moments; molecular environment; optical switching; order; organic materials; supramolecular film properties; ultrathin films; ultraviolet light; Chemicals; Dielectric materials; Dielectric measurements; Electrochemical impedance spectroscopy; Optical films; Optical materials; Optical sensors; Organic materials; Physics; Polymer films;

fLanguage

English

Journal_Title

Dielectrics and Electrical Insulation, IEEE Transactions on

Publisher

ieee

ISSN

1070-9878

Type

jour

DOI

10.1109/94.933376

Filename

933376