Integration of Top-Down and Bottom-Up Nanofabrication Schemes

MRS Online Proceedings Library volume 901, Article number: 201 (2005) Cite this article

Abstract

The fabrication of 3D nanostructures, which have tunable, sub-100 nm dimensions in all three directions, is a key issue of nanotechnology. Here we describe the integration of top-down nanoimprint lithography (NIL) and bottom-up layer-by-layer (LBL) assembly for the preparation of 3D hybrid nanostructures. NIL provided down to sub-100 nm poly(methylmethacrylate) (PMMA) structures. These were employed to fabricate patterned self-assembled monolayers of cyclodextrin (CD) host molecules on silicon oxide . The consecutive LBL assembly with adamantyl guest-functionalized dendrimers and CD-modified gold nanoparticles resulted in patterned multilayer structures with thicknesses of 3-30 nm. The x,y control by NIL and the z control by LBL assembly ultimately allowed the fabrication of circular structures with a radius of 25 nm and a thickness of 20 nm. The integration of the two methods has thus yielded a versatile 3D nanofabrication methodology comprising of 10-40 process steps.

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Affiliations

  1. Laboratory of Supramolecular Chemistry & Technology, University of Twente, MESA+ Institute for Nanotechnology, PO Box 217, AE, 7500, The Netherlands

    Pascale Maury, Olga Crespo-Biel, Mária Péter, David N. Reinhoudt & Jurriaan Huskens

  2. MESA+ Strategic Research Orientation Nanofabrication, University of Twente, MESA+ Institute for Nanotechnology, PO Box 217, AE, 7500, The Netherlands

    Jurriaan Huskens

Authors
  1. Pascale Maury
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  2. Olga Crespo-Biel
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  3. Mária Péter
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  4. David N. Reinhoudt
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  5. Jurriaan Huskens
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Correspondence to Jurriaan Huskens.

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Maury, P., Crespo-Biel, O., Péter, M. et al. Integration of Top-Down and Bottom-Up Nanofabrication Schemes. MRS Online Proceedings Library 901, 201 (2005). https://doi.org/10.1557/PROC-0901-Rb12-01

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