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Photofabrication of Surface Relief Gratings using Post Functionalized Azo Polymers

Published online by Cambridge University Press:  10 February 2011

Sukant K. Tripathy ,
Jayant Kumar ,
Dong-Yu Kim ,
Xinli Jiang ,
Xiaogong Wang ,
Lian Li ,
Mongkol Sukwattanasinitt  and
Daniel J. Sandman
Sukant K. Tripathy
Affiliation:
Center for Advanced Materials, Departments of ChemistryMassachusetts Lowell, Lowell, MA 01854
Jayant Kumar
Affiliation:
Physics, University of Massachusetts Lowell, Lowell, MA 01854
Dong-Yu Kim
Affiliation:
Center for Advanced Materials, Departments of ChemistryMassachusetts Lowell, Lowell, MA 01854
Xinli Jiang
Affiliation:
Physics, University of Massachusetts Lowell, Lowell, MA 01854
Xiaogong Wang
Affiliation:
Center for Advanced Materials, Departments of ChemistryMassachusetts Lowell, Lowell, MA 01854
Lian Li
Affiliation:
Molecular Technologies Inc., Westford, MA 01886
Mongkol Sukwattanasinitt
Affiliation:
Center for Advanced Materials, Departments of ChemistryMassachusetts Lowell, Lowell, MA 01854
Daniel J. Sandman
Affiliation:
Center for Advanced Materials, Departments of ChemistryMassachusetts Lowell, Lowell, MA 01854
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Abstract

A series of azobenzene functionalized polymers has been synthesized by post polymerization azo coupling reaction. Photo-fabrication of surface relief gratings were studied on the polymer films. Epoxy based azo polymers were prepared by post azo coupling reaction to form polymers containing donor-acceptor type azo chromophores. The azo chromophores were designed to contain ionizable groups to impart self-assembling and photoprocessing capabilities to the polymers. The polymers containing 4-(4-(carboxylic acid)phenylazo)aniline chromophores can be directly photofabricated to form surface relief gratings with large surface modulations. Charge interactions had a strong influence on the details of the writing process. A new soluble polydiacetylene, post-functionalized with azobenzene groups was also prepared. Large amplitude surface gratings could be fabricated on this polydiacetylene film as well.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 488: Symposium J – Electrical, Optical & Magnetic Properties of Organic IV , 1997 , 141
Copyright
Copyright © Materials Research Society 1998

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