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has been cited by the following article:

• TITLE: Controlled Synthesis and Characterization of Nobel Metal Nanoparticles

  AUTHORS: Huixiao Hei, Rui Wang, Xiaojun Liu, Long He, Guizhen Zhang

  KEYWORDS: Polyol Reduction; Pt; Rh; Pd Nanoparticles; Poly (Vinylpyrrolidone)

  JOURNAL NAME: Soft Nanoscience Letters, Vol.2 No.3, June 18, 2012

  ABSTRACT: In this work, monodispersed, well-shaped platinum (3.2 - 6.4 nm), rhodium (2.4 - 5.1 nm), palladium (3.2 - 5.3 nm) nanoparticles capped with poly(vinylpyrrolidone) were synthesized by a polyol reduction method in an ethylene glycol solution at temperature of 190℃. The influences of synthetic parameters on the size and morphology of the noble metal nanoparticles have been systematically investigated. The noble metal nanoparticles were characterized by means of UV-vis, laser scattering particle size distribution analysis (LSPSDA) and transmission electron microscopy (TEM). The experimental results showed that the particle size of metals nanoparticles, the morphology of which was spherical, increased with the raise of metal precursor concentration as well as the amount of PVP. The optimal molar ratio of PVP/metal and metal precursor concentration for the fabrication of Pt, Rh, and Pd nanoparticles with uniform distribution were 10 and 0.1 mM, respectively. The morphologies of the Rh nanoparticles with the size of 5.1 nm were polygons, including hexagons, pentagons, and triangles.