An ultrathin film with forth generation poly(aminoamine)(PAMAM) dendrimers (methyl quaternary ammonium salt) as polycation and poly(sodium \%p\% styrenesulfonate) (PSS) as polyainon was fabricated \%via\% sequential d...An ultrathin film with forth generation poly(aminoamine)(PAMAM) dendrimers (methyl quaternary ammonium salt) as polycation and poly(sodium \%p\% styrenesulfonate) (PSS) as polyainon was fabricated \%via\% sequential deposition. It shows that the step by step depositions carried out smoothly by monitoring with UV Vis spectrometer. The multilayer film is rather flat with a mean roughness of \{0.39 nm\} determined by AFM. The average thickness of a bilayer is \{5.0 nm\} obtained from XRD, which indicates that the dendrimers molecules were compressed and possess high flattening.展开更多
文摘An ultrathin film with forth generation poly(aminoamine)(PAMAM) dendrimers (methyl quaternary ammonium salt) as polycation and poly(sodium \%p\% styrenesulfonate) (PSS) as polyainon was fabricated \%via\% sequential deposition. It shows that the step by step depositions carried out smoothly by monitoring with UV Vis spectrometer. The multilayer film is rather flat with a mean roughness of \{0.39 nm\} determined by AFM. The average thickness of a bilayer is \{5.0 nm\} obtained from XRD, which indicates that the dendrimers molecules were compressed and possess high flattening.