Supported by the Penn State Center for Nanoscale Science (NSF-MRSEC).
Catalytic Nanomotors: Remote-Controlled Autonomous Movement of Striped Metallic Nanorods†
Article first published online: 21 DEC 2004
Copyright © 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Angewandte Chemie International Edition
Volume 44, Issue 5, pages 744–746, January 21, 2005
How to Cite
Kline, T. R., Paxton, W. F., Mallouk, T. E. and Sen, A. (2005), Catalytic Nanomotors: Remote-Controlled Autonomous Movement of Striped Metallic Nanorods. Angew. Chem. Int. Ed., 44: 744–746. doi: 10.1002/anie.200461890
- Issue published online: 18 JAN 2005
- Article first published online: 21 DEC 2004
- Manuscript Revised: 29 OCT 2004
- Manuscript Received: 3 SEP 2004
- homogeneous catalysis;
- magnetic properties;
- molecular devices;
A move in the right direction: Micrometer-sized 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.