| Literature DB >> 23019538 |
Li Xu1, Veronika Kozlovskaya, Eugenia Kharlampieva, John F Ankner, Svetlana A Sukhishvili.
Abstract
We have found diffusion of polyelectrolyte chains within multilayer films to be highly anisotropic, with the preferential chain motion parallel to the substrate. The degree of anisotropy was quantified by a combination of fluorescence recovery after photobleaching and neutron reflectometry, probing chain diffusion in directions parallel and perpendicular to the substrate, respectively. Chain mobility was controlled by ionic strength of annealing solutions and steric hindrance to ionic pairing of interacting polyelectrolytes.Entities:
Year: 2011 PMID: 23019538 PMCID: PMC3454581 DOI: 10.1021/mz200075x
Source DB: PubMed Journal: ACS Macro Lett Impact factor: 6.903