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Proceedings Paper

Preparation of surfactant-induced nanoporous polymer film
Author(s): Se-Chul Lee; Hyun Suk Kim; In-Joo Chin
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Paper Abstract

Nanoporous polymer films were prepared by using surfactant as porogen in order to be used as optical waveguides. We prepared porous polymer films by spin-coating of PMMA solutions containing surfactant (NaDDBS) at concentrations higher than the critical micelle concentration (CMC). The pore structure of the films was affected by such factors as the type of the pore generator (porogen) and solvent, the molecular weight of the polymer, and processing parameters. After removal of NaDDBS, the nanoporous structure was observed via FE-SEM. Since the resulting pore size is much smaller than the wavelength of the visible light, the nanoporous thin films were optically homogeneous. The refractive index was given by an average over the film, and it was controlled by changing the amount of the surfactant in the film. The refractive index of the nanoporous polymer film was found to decrease with the increase in the pore volume ratio.

Paper Details

Date Published: 9 February 2007
PDF: 8 pages
Proc. SPIE 6476, Optoelectronic Integrated Circuits IX, 64760Z (9 February 2007); doi: 10.1117/12.707307
Show Author Affiliations
Se-Chul Lee, Inha Univ. (South Korea)
Hyun Suk Kim, Inha Univ. (South Korea)
In-Joo Chin, Inha Univ. (South Korea)

Published in SPIE Proceedings Vol. 6476:
Optoelectronic Integrated Circuits IX
Louay A. Eldada; El-Hang Lee, Editor(s)

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