Platinum nanoparticles supported on nitrogen-containing carbon nanofibers

被引：32

作者：

Podyacheva, O. Yu. ^{[1
]}

Ismagilov, Z. R. ^{[1
]}

Boronin, A. I. ^{[1
,2
]}

Kibis, L. S. ^{[1
]}

Slavinskaya, E. M. ^{[1
]}

Noskov, A. S. ^{[1
]}

Shikina, N. V. ^{[1
]}

Ushakov, V. A. ^{[1
]}

Ischenko, A. V. ^{[1
]}

机构：

[1] Boreskov Inst Catalysis SB RAS, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

CATALYSIS TODAY | 2012年 / 186卷 / 01期

关键词：

Nitrogen-containing carbon nanofibers; Platinum; CO oxidation; SELECTIVE OXIDATION; NANOTUBES; CO; CLUSTERS; CATALYST;

D O I：

10.1016/j.cattod.2011.08.031

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Platinum nanoparticles supported on nitrogen-containing carbon nanofibers (10% Pt/N-CNFs, [N]=0-7.5 wt.%) were synthesized and investigated. X-ray diffraction (XRD) analysis and transmission electron microscopy (TEM) demonstrated the formation of 2-9 nm platinum nanoparticles on the N-CNF surface. Platinum nanoparticles were found to be in a metal state experiencing a strong effect of N-CNFs. Testing of catalytic activity in CO oxidation showed that a nitrogen content in N-CNFs exceeding 3.4 wt.% substantially enhances the low-temperature activity characterized by a reaction ignition temperature of ca. 60 degrees C; however, the enhancement of catalytic activity is non-monotonic with respect to nitrogen concentration in N-CNFs. (C) 2011 Elsevier B. V. All rights reserved.

引用

页码：42 / 47

页数：6

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