Issue 10, 2011

Synthesis of photo-switchable 3-FcAB-modified polymer particles

Abstract

3-Ferrocenylazobenzene (3-FcAB)-containing polymers were prepared using solution polymerization and emulsion polymerization. Polymer A, prepared by solution polymerization followed by re-precipitation, and Polymer B, prepared by emulsion polymerization, had spherical shapes with the outer diameters of ca. 300 nm and ca. 20 nm, respectively. Both the polymers responded to green light, UV light, and blue light in solution like monomeric 3-FcAB and its derivatives. In the solid state, Polymer A exhibited both isomerization and re-orientation behaviors upon light irradiation, indicating a possibility to achieve a light-induced shape change by the re-orientation of the chromophore. On the other hand, Polymer B underwent simple photoisomerization behaviors, which is more preferable for developing a switching system using spectroscopic detection of the isomerization behaviors of nano-dots.

Graphical abstract: Synthesis of photo-switchable 3-FcAB-modified polymer particles

Supplementary files

Article information

Article type
Paper
Submitted
01 Mar 2011
Accepted
03 May 2011
First published
06 Jun 2011

New J. Chem., 2011,35, 2146-2152

Synthesis of photo-switchable 3-FcAB-modified polymer particles

K. Namiki, M. Murata, S. Kume and H. Nishihara, New J. Chem., 2011, 35, 2146 DOI: 10.1039/C1NJ20189A

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