Green chemistry and nanofabrication in a levitated Leidenfrost drop

Ramzy Abdelaziz, Duygu Disci-Zayed, Mehdi Keshavarz Hedayati, Jan-Hendrik Pöhls, Ahnaf Usman Zillohu, Burak Erkartal, Venkata Sai Kiran Chakravadhanula, Viola Duppel, Lorenz Kienle and Mady Elbahri ()
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Ramzy Abdelaziz: Faculty of Engineering, Institute for Materials Science, University of Kiel
Duygu Disci-Zayed: Faculty of Engineering, Institute for Materials Science, University of Kiel
Mehdi Keshavarz Hedayati: Faculty of Engineering, Institute for Materials Science, University of Kiel
Jan-Hendrik Pöhls: Faculty of Engineering, Institute for Materials Science, University of Kiel
Ahnaf Usman Zillohu: Helmholtz-Zentrum Geesthacht, Institute of Polymer Research
Burak Erkartal: Faculty of Engineering, Institute for Materials Science, University of Kiel
Venkata Sai Kiran Chakravadhanula: Faculty of Engineering, Institute for Materials Science, University of Kiel
Viola Duppel: Max Planck Institute for Solid State Research
Lorenz Kienle: Faculty of Engineering, Institute for Materials Science, University of Kiel
Mady Elbahri: Faculty of Engineering, Institute for Materials Science, University of Kiel

Nature Communications, 2013, vol. 4, issue 1, 1-10

Abstract: Abstract Green nanotechnology focuses on the development of new and sustainable methods of creating nanoparticles, their localized assembly and integration into useful systems and devices in a cost-effective, simple and eco-friendly manner. Here we present our experimental findings on the use of the Leidenfrost drop as an overheated and charged green chemical reactor. Employing a droplet of aqueous solution on hot substrates, this method is capable of fabricating nanoparticles, creating nanoscale coatings on complex objects and designing porous metal in suspension and foam form, all in a levitated Leidenfrost drop. As examples of the potential applications of the Leidenfrost drop, fabrication of nanoporous black gold as a plasmonic wideband superabsorber, and synthesis of superhydrophilic and thermal resistive metal–polymer hybrid foams are demonstrated. We believe that the presented nanofabrication method may be a promising strategy towards the sustainable production of functional nanomaterials.

Date: 2013
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DOI: 10.1038/ncomms3400

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