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Nature Materials 4, 193 - 194 (2005)
doi:10.1038/nmat1346

Photochromic materials: A molecular cushion for isomerization

Kunihiro Ichimura1

  1. Kunihiro Ichimura is in the Center of Advanced Photopolymers, Faculty of Science, Toho University, Funabashi, Chiba 274-8510, Japan. e-mail: k-ichimura@sci.toho-u.ac.jp

Reversible photochromism — based on a simple isomerization reaction — is heavily hindered when photochromic dyes are enclosed in polymer matrices. Tethering the dye to a flexible low-melting-point oligomer solves the problem.

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The generic enhancement of photochromic dye switching speeds in a rigid polymer matrix

Nature Materials Article (01 Mar 2005)

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