Solvothermal synthesis and analysis of Bi1-xSbx nanoparticles

Pierre Ferdinand P. Poudeu

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ppoudeup@umich.edu

2126 HH Dow

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S. Sumithra, D. K Misra, C. Wei, H. Gabrisch, P. FP Poudeu, and K. L Stokes (2011)

Materials Science and Engineering B-Advanced Functional Solid-State Materials, 176(3):246-251.

Bismuth-antimony alloy nanoparticles have been synthesized by a facile solvothermal method using N,N-dimethylformamide and ethylene glycol as solvent/reducing agent; BiCl3. SbCl3 and Bi(NO3)(3) as precursors; and citric acid as a surface modifier/stabilizing agent. The particle size and size distribution of Bi nanoparticles were analyzed as a function of the synthesis conditions: molar ratio of precursor to surfactant, precursor concentration and reducing agent. Synthesis of Sb and Bi0.88Sb0.12 under similar conditions was also investigated. The phase purity of nanoparticles was confirmed from X-ray diffraction and thermogravimetry and the nanoparticle morphology was investigated by transmission electron microscopy. A case study of Bi nanoparticles with detailed analysis of the particle morphology and size distribution of the nanoparticles is reported. (C) 2010 Elsevier B.V. All rights reserved.

Times Cited: 7

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