Preparation of redox- and photo-responsive ferrocene- and azobenzene-based polymer films and their properties

Add time:08/14/2019    Source:sciencedirect.com

A series of redox- and photo-responsive copolymers, poly(2-(methacryloyloxy)ethyl ferrocenecarboxylate-co-4-methacryloylamino-4′-nitroazobenzene) (P(FcEMA-co-MAAzo)s) were synthesized using free radical polymerization. The synthesized copolymers were characterized by 1H NMR, FT-IR, gel permeation chromatography (GPC) and thermogravimetric analysis (TGA). Cyclic voltammetry (CV) and Ultraviolet–visible (UV–vis) absorption studies showed redox- and photo-responsive properties of the synthesized copolymers in the solution. P(FcEMA-co-MAAzo)s films were prepared by spin-coating or drop-coating method and these films were found to be redox- and photo-responsive. The color of the prepared films could be adjusted by the redox stimulus, while UV–vis absorption properties of the prepared films could be adjusted by changing wavelength of light. It was found that these synthesized films show potential application for high density information storage.

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