Diameter‐Dependence of the Morphology of PS‐b‐PMMA Nanorods Confined Within Ordered Porous Alumina Templates

Diameter‐Dependence of the Morphology of PS‐b‐PMMA Nanorods Confined Within Ordered Porous Alumina Templates
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DOI：
10.1002/marc.200400545
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发表时间：
2005-03
期刊：
Macromolecular Rapid Communications
影响因子：
4.6
通讯作者：
Yiming Sun;M. Steinhart;Danilo Zschech;R. Adhikari;G. Michler;U. Gösele
Yiming Sun;M. Steinhart;Danilo Zschech;R. Adhikari;G. Michler;U. Gösele
中科院分区：
化学3区
文献类型：
--
作者：
Yiming Sun;M. Steinhart;Danilo Zschech;R. Adhikari;G. Michler;U. Gösele

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Polystyrene-block-poly(methyl methacrylate) nanorods were prepared by wetting ordered porous alumina templates. We systematically investigated the diameter-dependence of their morphologies by varying the pore diameters of the templates from 400 nm down to 25 nm. If the pore diameter exceeds the period of the block copolymer, the pores accommodate a non-integer number of repeal periods. In case of smaller pores the occurrence of an ordered state could not he unambiguously verified.