Diffusion-controlled growth of aggregates in layer-by-layer films of poly(o-methoxyaniline)

Study of the growth process of in situ polyaniline deposited films

“…Avrami's model gives the phenomenological description of absorption kinetics and has been successfully used to account for the growth of polymeric films [37,38]. For the highest concentration of 0.112 mol/L the fitting with JMA [30] equation is very poor and has not been shown in Fig.…”

Interaction of small amounts of bovine serum albumin with phospholipid monolayers investigated by surface pressure and atomic force microscopy

“…All the steps of the analysis are described in Costa et al [41]. The statistics of the radii can subsequently be used to characterize the distribution of domains in the films [41][42][43]. Fig.…”

Fabrication and characterization of chemical sensors made from nanostructured films of poly(o-ethoxyaniline) prepared with different doping acids

“…The adsorption of polyanilines in layer-bylayer films is believed to occur based on a two step mechanism [14], involving a fast first-order kinetic process with a characteristic time of few seconds and a slower process represented by a Johnson-Mehl-Avrami function with a characteristic time of hundreds of seconds. These two steps represent the nucleation and growth mechanisms, which in the case of the above materials usually leads to the formation of globules [15][16][17][18][19]. Once the AFM images of POEA/PSS films show the presence of globules, one may conclude that a similar adsorption mechanism takes place in these systems.…”