Yoo Seong Il, Sohn Byeong-Hyeok, Zin Wang-Cheol, Jung Jin Chul
Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea.
Langmuir. 2004 Nov 23;20(24):10734-6. doi: 10.1021/la048171v.
A single-layered array of polystyrene-block-poly(4-vinylpyridine), PS-PVP, micelles in hexagonal order, fabricated by spin coating, was employed as a nanostructured template for synthesis of polypyrrole, a conducting polymer, in nanometer-sized domains. Oxidative catalysts of FeCl3 for the polymerization were selectively loaded in spherical PVP nanodamains so that they were hexagonally arranged over the film but confined in the nanometer range. The vapor-phase polymerization of pyrrole was localized in the PVP nanodomains, leading to a morphological transition from spherical to wormlike domains. In addition, the nanodomains containing polypyrrole were converted to open cavities by ethanol, a PVP block-selective solvent.
通过旋涂制备的单层六方有序聚苯乙烯-嵌段-聚（4-乙烯基吡啶）（PS-PVP）胶束阵列被用作纳米结构模板，用于在纳米尺寸区域合成导电聚合物聚吡咯。用于聚合的FeCl3氧化催化剂被选择性地负载在球形PVP纳米域中，使其在膜上呈六方排列，但限制在纳米范围内。吡咯的气相聚合局限于PVP纳米域中，导致形态从球形域转变为蠕虫状域。此外，含有聚吡咯的纳米域被PVP嵌段选择性溶剂乙醇转化为开放腔。
