Preparation of (Gold-Nanorod and Azo-Functionalized Polymer) Composite Films and Their Photochemical Properties

Seiji Kurihara Graduate School of Science and Technology, Kumamoto University, Kumamoto-shi, JapanCorrespondence[email protected]

Masatoshi Sakai Graduate School of Science and Technology, Kumamoto University, Kumamoto-shi, Japan

Yutaka Kuwahara Graduate School of Science and Technology, Kumamoto University, Kumamoto-shi, Japan

Tomonari Ogata Graduate School of Science and Technology, Kumamoto University, Kumamoto-shi, Japan

Takamasa Nonaka Graduate School of Science and Technology, Kumamoto University, Kumamoto-shi, Japan

Abstract

Nano-composite films were prepared by mixing gold-nanorod (Au-nanorod) and azo-functionalized polymer in toluene, and following spin coating on a glass substrate. The compopsites films showed absorption bands around 520 and 1000 nm corresponding to the short and long axes of the Au-nanorod. Reversible change in absorbance at 1000 nm was achieved by photoalignment of molecular orientation of azo-chromophores.

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Preparation of (Gold-Nanorod and Azo-Functionalized Polymer) Composite Films and Their Photochemical Properties

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Preparation of (Gold-Nanorod and Azo-Functionalized Polymer) Composite Films and Their Photochemical Properties

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