Artigo Revisado por pares

Controlled Synthesis of Hyperbranched Cadmium Sulfide Micro/Nanocrystals

2008; American Chemical Society; Volume: 8; Issue: 2 Linguagem: Inglês

10.1021/cg700813h

ISSN

1528-7505

Autores

Minghai Chen, Yong Nam Kim, Cuncheng Li, Sung Oh Cho,

Tópico(s)

Gold and Silver Nanoparticles Synthesis and Applications

Resumo

A series of novel wurtzite cadmium sulfide (CdS) hyperbranched structures, including dendrites, multipetal flowers, and multipods, were controllably synthesized by a N,N-dimethylformamide (DMF) assisted hydrothermal route. CdS micro/nanostructures of a certain morphology could be selectively produced by only varying the concentration of DMF in the reaction system. The crystal structure, compositional information, and morphological structures were carefully characterized by X-ray diffraction (XRD), X-ray photoelectron spectra (XPS), field emission scanning electronic microscopy (FESEM), transmission electronic microscopy (TEM), and selected area electronic diffraction (SAED). On the basis of the characterization, we propose a formation mechanism of the hyperbranched CdS crystals. This route provides a facile strategy to fabricate complex hierarchical CdS structures.

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