This work was financially supported by the BK21 program.
Optical Fabrication of Hollow Platinum Nanospheres by Excavating the Silver Core of Ag@Pt Nanoparticles†
Article first published online: 23 MAR 2007
Copyright © 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Volume 19, Issue 8, pages 1064–1068, April, 2007
How to Cite
Kim, S. J., Ah, C. S. and Jang, D.-J. (2007), Optical Fabrication of Hollow Platinum Nanospheres by Excavating the Silver Core of Ag@Pt Nanoparticles. Adv. Mater., 19: 1064–1068. doi: 10.1002/adma.200601646
- Issue published online: 16 APR 2007
- Article first published online: 23 MAR 2007
- Manuscript Revised: 17 OCT 2006
- Manuscript Received: 21 JUL 2006
- Hollow particles;
- Nanoparticles, metal;
- Surface plasmon resonance
Hollow platinum nanospheres (see figure) have been fabricated by optical excavation of the core silver metal of Ag@Pt core/shell nanoparticles. The surface plasmon resonances of the shell platinum metal were excited with picosecond laser pulses of 1064 nm. Thermalized photon energy induces the silver to melt and effuse rapidly through the shell, producing smooth hollow platinum nanospheres.