| 초록 |
Layer by Layer (LbL) deposition method is a versatile way to make a polymeric thin film by using electrostatic or hydrogen bonding attraction. In the LbL deposition process, a substrate is alternately immersed in an anionic and cationic polyelectrolyte solution. And during the deposition process, a third component can be included in the anionic or cationic polyelectrolyte solution. In this research, polystyrene copolymer containing poly(styrenesulfonic acid sodium salt) (CoPSSNa) was prepared and this copolymer was mixed with a sulfonated poly (2,6-dimethyl-1,4-phenylene oxide) (sPPO) for the anionic polyelectrolyte solution. The copolymer also contained azide moiety for post-reaction. Used cationic polymer was poly(dimethyldiallylammonium chloride) (PDDA), and silicon wafer was used for the substrate of the LbL deposition in order to study the film by FTIR. Deposited film showed different chemical compositions of CoPSSNa/sPPO compared to those in the anionic polyelectrolyte solution. |
