We thank M. Lin for EFTEM measurements. This work was supported by the National University of Singapore (start-up grant WBS R143-000-367-133) and the Institute of Materials Research & Engineering (project code IMRE/00-1C0288).
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Asymmetric Dumbbells from Selective Deposition of Metals on Seeded Semiconductor Nanorods†
Article first published online: 19 MAR 2010
DOI: 10.1002/anie.200906783
Copyright © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Additional Information
How to Cite
Chakrabortty, S., Yang, J., Tan, Y., Mishra, N. and Chan, Y. (2010), Asymmetric Dumbbells from Selective Deposition of Metals on Seeded Semiconductor Nanorods. Angew. Chem. Int. Ed., 49: 2888–2892. doi: 10.1002/anie.200906783
- †
Publication History
- Issue published online: 30 MAR 2010
- Article first published online: 19 MAR 2010
- Manuscript Received: 2 DEC 2009
Funded by
- National University of Singapore. Grant Number: WBS R143-000-367-133
- Institute of Materials Research & Engineering. Grant Number: IMRE/00-1C0288
Keywords:
- gold;
- nanoparticles;
- nanostructures;
- semiconductors;
- silver
Sowing the seeds: The growth of Au and Ag2S nanoparticles at distinct positions on CdSe-seeded CdS heterostructured nanorods can be precisely controlled by variations in the concentration of the Au and Ag precursors, respectively. The ability to direct growth on the nanorods can lead to “Janus-type” structures where Au is located at the more reactive end of the nanorod, whilst Ag2S is located at the other (see picture; CdSe dark blue, CdS light blue, Au yellow, Ag2S gray).