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Original Articles

Self-Assembly Fabrication Using Diazo Coupling Dye and Spiroxazine

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Pages 94-102 | Published online: 22 Sep 2010
 

Abstract

By self-assembly layer-by-layer technique, ordered multi-layer films being composed of diazonium resin, J-acid, photochromic spiroxazine and poly(sodium-4-styrene)sulfonate (PSS) were alternately fabricated on the glass slide, The fabrication of the multi-layer films was characterized by UV-vis spectroscopy and Atomic Force Microscopy (AFM). During the first bilayer fabrication, azo dye was simultaneously synthesized by diazo coupling reaction between diazonium resin and J-acid coupler. It is displayed from the multi-layer films that spectral chromism effect by spiroxazine moiety was determined. AFM results also show that the multi-dye layer fabrication was successfully obtained by stepwise chemical assembly and that the surface of the multi-layer was relatively uniform.

Acknowledgments

This research was supported by the program for the Training of Graduate Students in Regional Innovation which was conducted by the Ministry of Commerce Industry and Energy of the Korean Government.

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