Synthesis and characterization of PbSe quantum wires, multipods, quantum rods, and cubes

E. Lifshitz*, M. Bashouti, V. Kloper, A. Kigel, M. S. Eisen, S. Berger

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

186 Scopus citations

Abstract

Free-standing PbSe nanocrystals, including quantum wires, multipods, quantum rods, quantum dots, and cubes, were produced in a colloidal solution in the presence of alkyl-diamine solvent at 10-117°C. The morphology of the nanocrystals was governed by a solvent coordinating molecular template mechanism, which was further adjusted by the temperature and duration of the reaction. Crystalline wires with diameters of approximately 20 nm and lengths of 1-5 μm were formed at the lowest temperatures, while quantum rods (with an aspect ratio of ∼5) and cubes (with 100-500 nm edge) were formed at elevated temperatures.

Original languageEnglish
Pages (from-to)857-862
Number of pages6
JournalNano Letters
Volume3
Issue number6
DOIs
StatePublished - 1 Jun 2003
Externally publishedYes

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