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Selective Growth of PbSe on One or Both Tips of Colloidal Semiconductor Nanorods

Year: 2005

Type: article

Abstract: PbSe nanocrystals with rock-salt structure are grown on the tips of colloidal CdS and CdSe nanorods. The facets of wurtzite rods provide a substrate with various degrees of reactivity for the growth of PbSe. The presence of dangling Cd bonds may explain subtle differences between nonequivalent facets resulting in the selective nucleation of PbSe only on one of the two tips of each CdS rod. This approach has the potential to facilitate the fabrication of heterostructures with tailored optical and electronic properties.

Source: Nano Letters

DOI: 10.1021/nl048060g

Authors: Stefan Kudera, Luigi Carbone, Maria Francesca Casula, Roberto Cingolani, Andrea Falqui, Etienne Snoeck, Wolfgang J. Parak, Liberato Manna

Institutions: Centre National de la Recherche Scientifique, University of Cagliari, Center for NanoScience, Centre d’Élaboration de Matériaux et d’Études Structurales, Ludwig-Maximilians-Universität München

Language: English

Topic: Quantum Dots Synthesis And Properties

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

Funders: Deutscher Akademischer Austauschdienst, Deutsche Forschungsgemeinschaft, Ministero dell’Istruzione, dell’Università e della Ricerca

OpenAlex ID: W2042412644

FWCI: 15.52

Cites: 40

Cited by: 233

Related to: 10