Issue 28, 2011

Synthesis of monodispersed nanocrystalline materials in supercritical ethanol: a generalized approach

Abstract

We report a generalized approach for synthesis of a variety of nearly monodisperse inorganic nanostructured materials with different sizes and shapes using supercritical ethanol (SCE). In the present synthetic strategy the inorganic precursor and stabilizer (long chain amines) were co-solubilised in ethanol. Decomposition of the precursor occurred under supercritical conditions and facilitated rapid homogeneous nucleation, growth, and crystallization of the desired nanoparticles in near monodisperse state. The size and shape of the synthesized nanoparticles were tuned by varying the synthetic parameters. The particles exhibited size- and shape-dependent properties, and could be readily dispersed in hexane and toluene. Controlled evaporation of solvent from the dispersions yielded fairly ordered 2D structures.

Graphical abstract: Synthesis of monodispersed nanocrystalline materials in supercritical ethanol: a generalized approach

Supplementary files

Article information

Article type
Paper
Submitted
11 Feb 2011
Accepted
15 Apr 2011
First published
07 Jun 2011

J. Mater. Chem., 2011,21, 10377-10383

Synthesis of monodispersed nanocrystalline materials in supercritical ethanol: a generalized approach

S. K. Pahari, T. Adschiri and A. B. Panda, J. Mater. Chem., 2011, 21, 10377 DOI: 10.1039/C1JM10617A

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