Novel AuPd nanostructures for hydrogenation of 1,3-butadiene

被引：21

作者：

Chen, Huimei ^{[1
,2
]}

Huang, Jiale ^{[1
,3
]}

Huang, Dengpo ^{[1
]}

Sun, Daohua ^{[1
]}

Shao, Minhua ^{[3
]}

Li, Qingbiao ^{[1
,2
,4
]}

机构：

[1] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem & Biochem Engn, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Coll Environm & Ecol, Environm Sci Res Ctr, Xiamen 361005, Peoples R China

[3] Hong Kong Univ Sci & Technol, Dept Chem & Biomol Engn, Hong Kong, Hong Kong, Peoples R China

[4] Quanzhou Normal Univ, Coll Chem & Life Sci, Quanzhou 362000, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 09期

关键词：

MICROORGANISM-MEDIATED APPROACH; PD ALLOY NANOPARTICLES; GOLD NANOPARTICLES; METAL NANOCRYSTALS; OPTICAL-PROPERTIES; SERS DETECTION; CATALYSTS; FABRICATION; NANOWIRES; ELECTROOXIDATION;

D O I：

10.1039/c4ta06226d

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：

Exotic AuPd bimetallic nanoflowers (NFs) are facilely synthesized using a microorganism-mediated, cetyltrimethylammonium chloride (CTAC)-directed method at room temperature. The NFs consist of one-dimensional long pedicels and three-dimensional open horns. The effect of cell dosage and feed concentrations of ascorbic acid (AA), CTAC and metal precursors on the morphology of the bimetallic nanostructures were studied. The results showed that all the obtained materials were alloys with Pd-enriched surfaces. The diameters of the horns decreased, while those of the pedicels increased with increasing the feed concentration of Pd precursor. The presence of Pd precursor was vital for the formation of the nanowire part of the NF structure. Furthermore, the AuPd-NF/microorganism materials exhibited excellent catalytic performance and durability toward the hydrogenation of 1,3-butadiene.

引用

页码：4846 / 4854

页数：9

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