水下超疏油聚（3,4-乙烯基二氧）噻吩薄膜的制备

摘要

以离子液体溴化(1-己基-3-甲基咪唑盐)作为电解质和掺杂剂采用电化学一步法制备了微纳米复合结构的聚(3,4-乙烯基二氧噻吩)薄膜,薄膜由槽内排布着纳米珠链的棒状结构组成。研究表明,通过控制电流密度的大小,可以调节棒状结构和珠状结构的平均直径。离子液体中的咪唑阳离子和对阴离子均掺杂到聚合物中,该薄膜具有可逆的电化学活性及水下超疏油特性。%Micro/nanostructured poly ( 3 , 4-ethylenedioxythiophene ) ( PEDOT ) films were fabricated by an electrochemical polymerization in the presence of ionic liquid ( 1-hexyl-3 methyllimidazolium bromide ) as the electrolyte and dopants. The PEDOT films consist of micro-rod structures that encompass the micro-groove structure, and the nano-chain structure arranged inside of the micro-groove structure. The width of micro-grooves and the beads on the nano-chains can be adjusted by changing the current density of polymerization. The results showed that PEDOT chain backbone was doped by both the anion( Br-) and cation( imidazolium) of ionic liquids. In addition, PEDOT film exhibited reversible electrochemical activity and underwater supero-leophobic properties, which could be used for the application of the underwater anti-fouling coating and con-trolled oil-water separation materials.