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Programmable nanoengineering templates for fabrication of three-dimensional nanophotonic structures.


ABSTRACT: Porous anodic alumina membranes (AAMs) have attracted great amount of attention due to their potential application as templates for nanoengineering. Template-guided fabrication and assembly of nanomaterials based on AAMs are cost-effective and scalable methods to program and engineer the shape and morphology of nanostructures and nanomaterials. In this work, perfectly ordered AAMs with the record large pitch up to 3 ?m have been fabricated by properly controlling the anodization conditions and utilization of nanoimprint technique. Due to the capability of programmable structural design and fabrication, a variety of nanostructures, including nanopillar arrays, nanotower arrays, and nanocone arrays, have been successfully fabricated using nanoengineered AAM templates. Particularly, amorphous Si nanocones have been fabricated as three-dimensional nanophotonic structures with the characterization of their intriguing optical anti-reflection property. These results directly indicate the potential application of the reported approach for photonics and optoelectronics.

SUBMITTER: Lin Q 

PROVIDER: S-EPMC3685551 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Programmable nanoengineering templates for fabrication of three-dimensional nanophotonic structures.

Lin Qingfeng Q   Leung Siu-Fung SF   Tsui Kwong-Hoi KH   Hua Bo B   Fan Zhiyong Z  

Nanoscale research letters 20130607 1


Porous anodic alumina membranes (AAMs) have attracted great amount of attention due to their potential application as templates for nanoengineering. Template-guided fabrication and assembly of nanomaterials based on AAMs are cost-effective and scalable methods to program and engineer the shape and morphology of nanostructures and nanomaterials. In this work, perfectly ordered AAMs with the record large pitch up to 3 μm have been fabricated by properly controlling the anodization conditions and u  ...[more]

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