Polymer composites containing photochromic dye solution

Mitsunori Saito; Kohei Sakiyama; Ryosuke Mochizuki; Kenji Ohashi

doi:10.1117/12.853769

18 May 2010 Polymer composites containing photochromic dye solution

Mitsunori Saito, Kohei Sakiyama, Ryosuke Mochizuki, Kenji Ohashi

Proceedings Volume 7722, Organic Photonics IV; 772221 (2010) https://doi.org/10.1117/12.853769
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

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.

Citation Download Citation

Mitsunori Saito, Kohei Sakiyama, Ryosuke Mochizuki, and Kenji Ohashi "Polymer composites containing photochromic dye solution", Proc. SPIE 7722, Organic Photonics IV, 772221 (18 May 2010); https://doi.org/10.1117/12.853769

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