期刊
MATERIALS RESEARCH BULLETIN
卷 48, 期 8, 页码 2850-2854出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2013.04.013
关键词
Nanostructures; Chemical synthesis
资金
- Special Fund for Basic Scientific Research of Central Colleges, South-Central University for Nationalities [ZZY10004]
Self-assembly snowflake-like palladium nanostructures were synthesized under microwave irradiation using H2PdCl4 as precursor, benzyl alcohol as both solvent and reducing agent, and PVP as stabilizer. The Pd snowflake-like nanostructures were formed and then characterized by transmission electron microscopy (TEM) and X-ray powder diffraction. The TEM images showed that the Pd nano-snowflakes were self-assemblies organized by hundreds of small spherical nanoparticles. Pd snowflake-like nanostructures with well-defined shape and uniform size can be obtained by tuning the concentration of palladium precursor, the molar ratio of H2PdCl4/PVP, as well as the heating time by microwave irradiation. The possible growing process of the snowflake-like Pd structures was also proposed on the basis of investigating the properties of as-synthesized Pd nanostructures under different conditions. (C) 2013 Elsevier Ltd. All rights reserved.
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