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Spray Produced Coral-Shaped Assemblies of MnS Nanocrystal Clusters

Published online by Cambridge University Press:  01 February 2011

Lilac Amirav  and
Efrat Lifshitz
Lilac Amirav
Affiliation:
[email protected], Technion - Israel Institute of Technology, Schulich Faculty of Chemistry, Solid State Institute and The Russell Berrie Nanotechnology Institute, Technion city, Haifa, 32000, Israel, 972-4-8293750, 972-4-8295703
Efrat Lifshitz
Affiliation:
[email protected], Technion - Israel Institute of Technology, Schulich Faculty of Chemistry, Solid State Institute and The Russell Berrie Nanotechnology Institute, Haifa, 32000, Israel
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Abstract

A novel spray-based technique enables the production of high quality, free, uncoated semiconductor nanocrystals. Their collection, following spray droplet desolvation during flight, could result in unusual structures. We report on spray-produced ordered clusters (∼50nm diameter) of MnS nanocrystals with grain size range of 1-2nm, and their assembly into micron-sized coral-shaped fractal aggregates. Ballistic cluster-particle aggregation, with the introduction of physical interaction between particles, is suggested as a model for the assemblies' growth.

Keywords

nanostructurenucleation & growthsemiconducting
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 959: Symposium M – Quantum Dots—Growth, Behavior and Applications , 2006 , 0959-M18-05
Copyright
Copyright © Materials Research Society 2007

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