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Hydrothermal Synthesis of Platinum Group Metal Nanoparticles

Krehula, Stjepko; Musić, Svetozar (2011) Hydrothermal Synthesis of Platinum Group Metal Nanoparticles. Croatica Chemica Acta, 84 (4). pp. 465-468. ISSN 0011-1643

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Abstract

A novel route for the synthesis of platinum group metal nanoparticles has been reported. The synthesis is based on the addition of tetramethylammonium hydroxide (TMAH) to the aqueous PtCl(4), IrCl(3) or Rh(NO(3))(3) solution followed by the hydrothermal treatment of these precipitation systems at 160 degrees C. The mean size of nanoparticles was 9.2 nm for platinum, 21 nm for iridium, and 28 nm for rhodium. The average crystallite size was estimated at 7.4 nm for platinum, 3.1 nm for iridium and 3.5 nm for rhodium. The possible mechanism of platinum group metal nanoparticles formation is briefly discussed.

Item Type: Article
Uncontrolled Keywords: platinum; iridium; rhodium; nanoparticles; hydrothermal synthesis; tetramethylammonium hydroxide; shape-controlled synthesis; catalytic-properties; ionic liquids; reduction; methanol; carbon; size; deposition; oxidation; polymer
Subjects: NATURAL SCIENCES > Chemistry
Divisions: Division of Materials Chemistry
Projects:
Project titleProject leaderProject codeProject type
Sinteza i mikrostruktura metalnih oksida i oksidnih stakala[85111] Mira Ristić098-0982904-2952MZOS
Depositing User: Stjepko Krehula
Date Deposited: 15 Oct 2013 09:50
Last Modified: 07 Feb 2014 10:36
URI: http://fulir.irb.hr/id/eprint/788
DOI: 10.5562/cca1856

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