Buildup of ultrathin multilayer films by a self‐assembly process, 1 consecutive adsorption of anionic and cationic bipolar amphiphiles on charged surfaces
作者： Gero Decher , Jong-Dal Hong
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摘要: An anionic and a cationic bipolar amphiphile containing rigid biphenyl cores were synthesized. The compounds dissolved in mixture of dimethylsulfoxide (DMSO) water pure water, respectively. When solid substrate with positively charged planar surface is immersed the solution negatively amphiphile, monolayer adsorbed due to its structure charge reversed. After rinsing amphiphile. Again but now original restored. By repeating both steps cyclic fashion alternating multilayer assemblies are obtained. It demonstrated that films, composed at least 35 consecutively layers, which corresponds total film thickness 170 nm can be assembled.
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