Synthesis and catalytic application of PVP-coated Ru nanoparticles embedded in a porous metal-organic framework

被引：20

作者：

Sadakiyo, Masaaki ^{[1
,2
]}

Kon-no, Masaru ^{[1
]}

Sato, Katsutoshi ^{[3
,4
]}

Nagaoka, Katsutoshi ^{[2
,4
]}

Kasai, Hidetaka ^{[2
,5
]}

Kato, Kenichi ^{[2
,5
]}

Yamauchi, Miho ^{[1
,2
,6
]}

机构：

[1] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Nishi Ku, Fukuoka 8190395, Japan

[2] Japan Sci & Technol Agcy JST, CREST, Tokyo 1020076, Japan

[3] Kyoto Univ, Elements Strategy Initiat Catalysts & Batteries, Nishikyo Ku, Kyoto 6158245, Japan

[4] Oita Univ, Fac Engn, Dept Appl Chem, Oita 8701192, Japan

[5] RIKEN SPring 8 Ctr, Sayo, Hyogo 6795148, Japan

[6] Kyushu Univ, Fac Sci, Dept Chem, Fukuoka 8128581, Japan

来源：

DALTON TRANSACTIONS | 2014年 / 43卷 / 29期

关键词：

PREFERENTIAL OXIDATION; COORDINATION POLYMERS; AMMONIA-SYNTHESIS; FISCHER-TROPSCH; CARBON-MONOXIDE; HYDROGEN; CO;

D O I：

10.1039/c4dt00996g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A hybrid catalyst consisting of polymer-coated Ru nanoparticles (Ru-PVP, PVP: poly(N-vinyl-2-pyrrolidone)) embedded in a porous metal-organic framework of ZIF-8 (Ru-PVP@ZIF-8) was synthesized by the crystallization of ZIF-8 in a methanol solution of Ru-PVP. The structural properties of Ru-PVP@ZIF-8 were examined by N-2 gas adsorption, infrared spectra, and X-ray powder diffraction measurements. We successfully identified the most appropriate pretreatment conditions for surface activation of the Ru nanoparticles in the catalyst. The pretreated Ru-PVP@ZIF-8 was applied for a CO oxidation reaction with H-2 gas feeds. Ru-PVP@ZIF-8 was found to exhibit higher catalytic activities and higher CO2 selectivity than those observed on a carbon-supported Ru-PVP (Ru-PVP/C), implying that the pores of the ZIF-8 provide a more suitable environment for the reaction with O-2 and CO gases.

引用

页码：11295 / 11298

页数：4

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