Publication

Selective Functionalization of Tailored Nanostructures

Slingenbergh, W., Boer, S. K. D., Cordes, T., Browne, W. R., Feringa, B. L., Hoogenboom, J. P., Hosson, J. T. M. D. & Dorp, W. F. V., Oct-2012, In : Acs Nano. 6, 10, p. 9214-9220 7 p.

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DOI

The controlled positioning of nanostructures with active molecular components is of importance throughout nanoscience and nanotechnology. We present a novel three-step method to produce nanostructures that are selectively decorated with functional molecules. We use fluorophores and nanoparticles to functionalize SiO features with defined shapes and with sizes ranging from micrometers to 25 nm. The method is called MACE-ID: molecular assembly controlled by electron-beam-induced deposition. In the first step, SiO nanostructures are written with focused electron-beam-induced deposition, a direct-writing technique. In the second step, the deposits are selectively silanized. In the final step, the silanes are functionalized with fluorescent dyes, polystyrene spheres, or gold nanoparticles. This recipe gives exciting new possibilities for combining the highly accurate control of top-down patterning (e-beam direct writing) with the rich variety of the bottom-up approach (self-assembly), leading to active or responsive surfaces. An important advantage of MACE-ID is that it can be used on substrates that already contain complex features, such as plasmonic structures, nanoantennas, and cavities.

Original languageEnglish
Pages (from-to)9214-9220
Number of pages7
JournalAcs Nano
Volume6
Issue number10
Publication statusPublished - Oct-2012

    Keywords

  • selective functionalization, directed self-assembly, local decoration, nanostructures, focused electron-beam-induced deposition, SELF-ASSEMBLED MONOLAYERS, BEAM-INDUCED DEPOSITION, NANOMETER-SCALE PATTERNS, FOCUSED ELECTRON-BEAM, MOLECULAR ROTORS, NANOLITHOGRAPHY, FABRICATION, GOLD, EMISSION, LIGHT

ID: 2308411