Photochromism of a diarylethene dimer

Xiaochuan Li; Sheng Wang; He Tian

doi:10.1117/12.649672

15 September 2005 Photochromism of a diarylethene dimer

Xiaochuan Li, Sheng Wang, He Tian

Proceedings Volume 5966, Seventh International Symposium on Optical Storage (ISOS 2005); 59661K (2005) https://doi.org/10.1117/12.649672
Event: Seventh International Symposium on Optical Storage (ISOS 2005), 2005, Zhanjiang, China

Abstract

A fluorene derivative having two diarylethene units at the 9,9'-positions was synthesized, and the photochromic behavior was examined in solution. Upon irradiation with UV (240nm), the solution of the diarylethene dimer turned yellow. It can returned to ring-open form upon irradiation with visible light (405nm). Two diarylethene chromophores are connected to the fluorene without π-conjugation between them in the dimer. Its synthesis can be performed on a large scale from cheap commercial products and no expensive drugs were concerned in the synthetic route.

Citation Download Citation

Xiaochuan Li, Sheng Wang, and He Tian "Photochromism of a diarylethene dimer", Proc. SPIE 5966, Seventh International Symposium on Optical Storage (ISOS 2005), 59661K (15 September 2005); https://doi.org/10.1117/12.649672

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