Graphite coating of iron nanowires for nanorobotic applications: Synthesis, characterization and magnetic wireless manipulation

Muhammad A. Zeeshan, Salvador Pané, Seul Ki Youn, Eva Pellicer, Simone Schuerle, Jordi Sort, Stefano Fusco, André M. Lindo, Hyung Gyu Park, Bradley J. Nelson

Research output: Contribution to journalArticleResearchpeer-review

33 Citations (Scopus)

Abstract

Wireless-manipulated graphite coated nanomagnets are promising candidates for minimally invasive targeted drug delivery platforms. Iron nanowires coated with graphitic shells are synthesized by template-assisted deposition. The use of porous aluminum oxide templates enables both the batch production of nanowires by electrodeposition and their subsequent conformal encapsulation in graphite using chemical vapor deposition (CVD). High quality graphitic shells are obtained when CVD conditions are optimized using acetylene as carbon feedstock at 740 °C. Interestingly, the iron nanowires transform into iron carbide during the CVD process leading to changes in magnetic properties. The graphite coated iron nanowires are precisely manipulated against a water flow (0.1 mm/s) using a magnetic field of 350 Oe and a gradient of 50 kOe m -1 in a 5-DOF magnetic manipulation system. Our approach opens new avenues for the design and synthesis of functional graphite coated nanowires that are promising for nanorobotics applications. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish
Pages (from-to)823-831
JournalAdvanced Functional Materials
Volume23
DOIs
Publication statusPublished - 18 Feb 2013

Keywords

  • chemical vapor deposition
  • electrodeposition
  • graphite
  • iron nanowires
  • wireless magnetic manipulation

Fingerprint Dive into the research topics of 'Graphite coating of iron nanowires for nanorobotic applications: Synthesis, characterization and magnetic wireless manipulation'. Together they form a unique fingerprint.

Cite this