Highly Ordered Conjugated Polymer Nanoarchitectures with Three-Dimensional Structural Control

被引:26
作者
Vlad, Alexandru [1 ]
Dutu, Constantin Augustin [1 ]
Guillet, Pierre [2 ]
Jedrasik, Piotr [3 ]
Fustin, Charles-Andre [2 ]
Sodervall, Ulf [3 ]
Gohy, Jean-Francois [2 ]
Melinte, Sorin [1 ]
机构
[1] Catholic Univ Louvain, Lab Dispositifs Integres & Circuits Elect, B-1348 Louvain, Belgium
[2] Catholic Univ Louvain, Unite Chim Mat Inorgan & Organ, B-1348 Louvain, Belgium
[3] Chalmers Univ Technol, Dept Microtechnol & Nanosci MC2, SE-41296 Gothenburg, Sweden
关键词
POLYANILINE; PLATINUM; FILMS; NANOSTRUCTURES; GROWTH; FABRICATION; ELECTRODES; DEPOSITION; NANOTUBES;
D O I
10.1021/nl9008937
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Conductive polymers are a class of materials with vast potential for tomorrow's ultra-large-scale technologies as they combine structural and functional diversity with flexible synthesis and processing approaches. A missing component, with their subtle chemical structure, is reliable building at nanoscale. Here we report on the patterning of polyaniline, a prototypical conjugated polymer, with an unprecedented areal patterning order and density exceeding 0.25 teradot/inch(2), With template-confined growth, through platinum-surface-catalyzed polymerization of aniline, highly ordered arrays of distinct polyaniline nanowires are produced with a typical diameter <= 15 nm and aspect ratio higher than 20. Up-scaling is straightforward. Complex three-dimensional structural control is achieved through a direct pattern transfer via resist- and dose-modulated electron beam lithography. The morphology-modulated nanowires self-assemble in key-lock type architectures induced by the structure asymmetry and nonuniformity of the capillary forces associated with the re-entrant features.
引用
收藏
页码:2838 / 2843
页数:6
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