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Optically Induced Dynamics of Isocyanate Organic Films Containing Azobenzene Chromophores

Published online by Cambridge University Press:  21 March 2011

Mi Jeong Kim ,
Eun-Mi Seo ,
Yeong-Deuk Shin ,
Jae-Suk Lee  and
Dong-Yu Kim
Mi Jeong Kim
Affiliation:
Department of Materials Science and Engineering, Kwang-Ju Institute of Science and Technology, Kwangju, 500-712, KOREA.
Eun-Mi Seo
Affiliation:
Department of Materials Science and Engineering, Kwang-Ju Institute of Science and Technology, Kwangju, 500-712, KOREA.
Yeong-Deuk Shin
Affiliation:
Department of Materials Science and Engineering, Kwang-Ju Institute of Science and Technology, Kwangju, 500-712, KOREA.
Jae-Suk Lee
Affiliation:
Department of Materials Science and Engineering, Kwang-Ju Institute of Science and Technology, Kwangju, 500-712, KOREA.
Dong-Yu Kim
Affiliation:
Department of Materials Science and Engineering, Kwang-Ju Institute of Science and Technology, Kwangju, 500-712, KOREA.
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Abstract

The photophysical formation of surface relief grating (SRG) was compared between isocyanate-based polymeric and non-polymeric thin films of low molecular weight organics containing azobenzene group. The non-polymeric film forms faster and more efficient surface grating formation than the polymeric film when exposed to an interference pattern of polarized Ar+ laser beams at 488 nm. However, the polymeric materials exhibited higher stability of SRG and orientation of azobenzenes than non-polymeric ones. The relation between the rate of photoinduced surface modulation and orientation of azobenzenes is discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 660: Symposia JJ – Organic Electronic & Photonic Materials and Devices , 2000 , JJ5.24
Copyright
Copyright © Materials Research Society 2001

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References

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