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Synthesis and Characterization of PtTe2 Multi-Crystallite Nanoparticles using Organotellurium Nanocomposites.

ABSTRACT: Herein, we report the synthesis of new PtTe2 multi-crystallite nanoparticles (NPs) in different sizes through an annealing process using new nanostructured Pt-Te organometallic NPs as a single source precursor. This precursor was obtained in a single reaction step using Ph2Te2 and H2PtCl6 and could be successfully size controlled in the nanoscale range. The resulting organometallic composite precursor could be thermally decomposed in 1,5 pentanediol to yield the new PtTe2 multi-crystallite NPs. The final size of the multi-crystallite spheres was successfully controlled by selecting the nanoprecursor size. The sizes of the PtTe2 crystallites formed using the large spheres were estimated to be in the range of 2.5-6.5?nm. The results provide information relevant to understanding specific mechanistic aspects related to the synthesis of organometallic nanomaterials and nanocrystals based on platinum and tellurium.

SUBMITTER: Fernandez-Lodeiro J 

PROVIDER: S-EPMC5575282 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Synthesis and Characterization of PtTe<sub>2</sub> Multi-Crystallite Nanoparticles using Organotellurium Nanocomposites.

Fernández-Lodeiro Javier J   Rodríguez-Gónzalez Benito B   Novio Fernando F   Fernández-Lodeiro Adrián A   Ruiz-Molina Daniel D   Capelo José Luis JL   Santos Alcindo A Dos AAD   Lodeiro Carlos C  

Scientific reports 20170829 1

Herein, we report the synthesis of new PtTe<sub>2</sub> multi-crystallite nanoparticles (NPs) in different sizes through an annealing process using new nanostructured Pt-Te organometallic NPs as a single source precursor. This precursor was obtained in a single reaction step using Ph<sub>2</sub>Te<sub>2</sub> and H<sub>2</sub>PtCl<sub>6</sub> and could be successfully size controlled in the nanoscale range. The resulting organometallic composite precursor could be thermally decomposed in 1,5 pen  ...[more]

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