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Basic Law Controlling the Growth Regime of Layer-by-Layer Assembled Polyelectrolyte Multilayers

✍ Scribed by Xiuming Jiang; Zhichun Chen; Deshui Lv; Qi Wu; Xianfu Lin

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
328 KB
Volume
209
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

A mathematical expression describing the growth regime of multilayers formed layer by layer and the correlation between the nature of the growth process and the distribution of the charges in the polyelectrolyte deposited on the surface of the film is reported. Two typical polyelectrolyte pairs were chosen such that one of them causes the film to grow linearly while the other causes the film to grow exponentially. The growth processes were monitored by UV‐Vis spectrophotometry and the experimental data was analyzed. The influence of the polyelectrolyte and NaCl concentration on the fabrication of PAH/PSS and PDDA/PSS films is discussed by analyzing the change of model parameters.

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