Catalytic nanomotors: Remote-controlled autonomous movement of striped metallic nanorods

Timothy R. Kline, Walter F. Paxton, Thomas E. Mallouk, Ayusman Sen

Research output: Contribution to journalArticle

346 Scopus citations

Abstract

A move in the right direction: Micrometersized rods with Pt/Ni/Au/Ni/Au segments move autonomously with good directionality in the presence of a magnetic field when placed in aqueous hydrogen peroxide (see picture). The propulsive force results from an interfacial tension gradient generated by the catalytic decomposition of H2O2 at the Pt end while the orientation stems from the interaction of the magnetic field with the magnetized Ni segments.

Original languageEnglish (US)
Pages (from-to)744-746
Number of pages3
JournalAngewandte Chemie - International Edition
Volume44
Issue number5
DOIs
StatePublished - Jan 21 2005

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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