Syntheses of Ag, PbSe, and PbTe Nanocrystals and Their Binary Self-Assembly Exploration at Low Size-ratio
Authors: Lu, Weigang; Fang, Jiye; Lin, Jun; Zhang, Jun; Sun, Zhaoyong; Stokes, Kevin L.
Source: Journal of Nanoscience and Nanotechnology, Volume 6, Number 6, June 2006 , pp. 1662-1666(5)
Publisher: American Scientific Publishers
Abstract:Nanocrystals of Ag, PbSe, and PbTe were prepared via a high-temperature organic solution approach, respectively. Using a size-selection technique, the size-distribution of each set of nanocrystals could be fine-tuned and finally monodisperse products were achieved. Superlattice structure of binary self-assemblies in low size-ratio were also explored and characterized by transmission electron microscopy. It is realized that a success of achieving binary self-assembly pattern is greatly dependent on several key factors including particle size-distributions, relative concentrations of both components, as well as the size-ratios between Ag and PbSe (or PbTe) nanocrystals.
Document Type: Research article
Publication date: 2006-06-01
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