Layer-by-Layer assembling and characterizations of dye-polyions onto solid substrate by Electrostatic adsorption process

Details Layer-by-Layer assembling and characterizations of dye-polyions onto solid substrate by Electrostatic adsorption process Layer-by-Layer assembling and characterizations of dye-polyions onto solid substrate by Electrostatic adsorption process

2011-06-20

arxiv.org/abs/1106.3869v1

International Journal of Modern Physics B; Vol. 25, No. 14 (2011) 1905-1914

Physics

Condensed Matter

Materials Science

15 pages, 5 figures

Scientific paper

Self assembled films of organic azobenzene dye chicago sky blue 6B (CSB) have been fabricated onto solid substarte by electrostatic alternate adsorption of polycation ploy(allyl amine hydrochloride) (PAH) and CSB. UV-Vis absorption spectroscopic studies reveal the successful incorporation of CSB molecules into LbL films and consequent formation of aggregates. This view is supported by FTIR spectroscopic studies. Scanning electron microscope picture confirms the formation of nano crystalline aggregates in the LbL films. About 15 minute is required to complete the electrostatic interaction between PAH and CSB molecules in one bi-layer LbL film.

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