Preparation of platinum compositions supported on reduced graphite oxide and their catalytic properties in liquid-phase hydrogenation

被引：6

作者：

Kushch, S. D. ^{[1
]}

Kuyunko, N. S. ^{[1
]}

Dremova, N. N. ^{[1
]}

Korshunova, L. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia

来源：

KINETICS AND CATALYSIS | 2015年 / 56卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

reduced graphite oxide; platinum catalysts; liquid-phase hydrogenation; nitrobenzene; dec-1-ene; styrene; GRAPHENE OXIDE; CARBON NANOMATERIALS; HYDRAZINE REDUCTION; FUEL-CELL; NANOPARTICLES; OXIDATION;

D O I：

10.1134/S0023158415050110

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Platinum compositions supported on graphite oxide prereduced by NaBH4 or N2H4 center dot H2O have been prepared. Platinum has been precipitated from H2PtCl6 solutions in the presence of pyridine onto reduced graphite oxide and has been reduced there by NaBH4. The resulting compositions, with a platinum particle size of similar to 2 nm, catalyze the hydrogenation of the-NO2 group in nitrobenzene and of the C=C double bond in dec-1-ene or styrene. The activity of the catalysts prepared by platinum precipitation on the prereduced graphite oxide is higher than that of platinum supported on unreduced graphite oxide. The high activity of the catalysts is assumed to be due to the localization of platinum on defects of the support structure.

引用

页码：584 / 590

页数：7

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