期刊
NANO LETTERS
卷 9, 期 8, 页码 2838-2843出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl9008937
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资金
- NANOMOL project-Communaute Francaise de Belgique
- NANOTIC programme-Wallonia Region
- MC2ACCESS-programme [026029]
- Access to Research Infrastructures
- Fustin are Research Associates of the FRS-FNRS
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.
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