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Proceedings Paper

Polymer composites containing photochromic dye solution
Author(s): Mitsunori Saito; Kohei Sakiyama; Ryosuke Mochizuki; Kenji Ohashi
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Paper Abstract

Photochromic polymer composites were fabricated by encapsulating dye solution in a polycarbonate membrane. The membrane contained through holes of 50 nm diameter. These nanoholes provided a sufficient free volume for the dye molecules to change their structure in the photochromic isomerization process. A polymer composite containing a toluene solution of diarylethene exhibited red color when it was irradiated with violet laser, and returned to the transparent state by green laser irradiation. Another polymer composite containing spiropyran turned to blue by ultraviolet lamp irradiation and returned to the transparent state by green laser irradiation. A nonlinear input-output characteristic and a rewritable-grating function were demonstrated by using these photochromic polymers.

Paper Details

Date Published: 18 May 2010
PDF: 9 pages
Proc. SPIE 7722, Organic Photonics IV, 772221 (18 May 2010); doi: 10.1117/12.853769
Show Author Affiliations
Mitsunori Saito, Ryukoku Univ. (Japan)
Kohei Sakiyama, Ryukoku Univ. (Japan)
Ryosuke Mochizuki, Ryukoku Univ. (Japan)
Kenji Ohashi, Ryukoku Univ. (Japan)

Published in SPIE Proceedings Vol. 7722:
Organic Photonics IV
Paul L. Heremans; Reinder Coehoorn; Chihaya Adachi, Editor(s)

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