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, Mady Elbahri*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

65 Citations (Scopus)

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.

Original languageEnglish
Article number2400
Pages (from-to)1-10
Number of pages10
JournalNature Communications
Volume4
DOIs
Publication statusPublished - 29 Oct 2013
MoE publication typeA1 Journal article-refereed

Keywords

  • PLASMONIC METAMATERIALS
  • HYDROTHERMAL SYNTHESIS
  • HEAT-TRANSFER
  • ZNO NANORODS
  • TEMPERATURE
  • ELECTRICITY
  • ABSORPTION
  • NANOWIRES
  • SURFACE
  • GROWTH

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