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Research Paper | Chemistry | India | Volume 3 Issue 11, November 2014 | Popularity: 6.3 / 10

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Synthesis of Nano Crystalline Compound [Pr 1-x Crx (SH) (OH) 2H2O] By Solvent Matrix Method

C. P. Gupta

Abstract: New complex of the type [Pr (SH) (OH) 2 (H2O)] has been synthesized in solid state in presence of sun light by the interaction of Na2S 7H2O with Pr6O11 at ambient temperature. Characterization of the parent compound [Pr (SH) (OH) 2 (H2O)], has been done by elemental analysis, TGA, DTA and X ray powder diffraction pattern. Doping occurs in parent compound with Cr+3 ion forming dark green nano crystalline compound [Pr1-x Crx (SH) (OH) 2 (H2O)]. The doped complex of Pr+3 ion is paramagnetic. The doped complex of Pr+3 ion is also hexagonal structure with lattice constant, a = 4.141A0 and c = 7.601A0. The UV visible spectrum of Cr+3 ion shows peak at 380 and 450 nm. New peaks at 490 and 600 nm occur due to f d and f f transition for Cr+3 and Pr+3 ions respectively in compound, [Pr1-x Crx (SH) (OH) 2 (H2O)]. Nanoparticles of [Pr1-x Crx (SH) (OH) 2 (H2O)] were prepared in ethylene glycol indicating the particle size 50-100nm in TEM photograph.

Keywords: Nano crystalline compound Pr1-x Crx SH OH 2 H2O, paramagnetic, hexagonal structure, UV visible spectrum, SEM

Edition: Volume 3 Issue 11, November 2014

Pages: 165 - 167

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