Controlled fabrication of polyelectrolyte multilayer thin films using spin-assembly

Spin-assembly is an excellent method for controlling the amount and thickne ss of adsorbed polyelectrolyte in fabricating multilayer thin films. These films are investigated by means of ellipsometry and UV-vis spectroscopy and their spectral properties are used to determine the effect of the polyelec trolyte concentration, the speed of rotation, and other experimental parame ters on the film thickness and uniformity. Adjusting these parameters allow s fine-tuning of the multilayer thin films and provides the spin-assembly m ethod with a control tool for many future applications.