Biogenic flower-shaped Au-Pd nanoparticles: synthesis, SERS detection and catalysis towards benzyl alcohol oxidation

被引：71
|
作者：
Sun, Daohua [1 ]
Zhang, Genlei [1 ]
Jiang, Xinde [1 ]
Huang, Jiale [1 ]
Jing, Xiaolian [1 ]
Zheng, Yanmei [1 ]
He, Jing [1 ]
Li, Qingbiao [1 ]
机构：
[1] Xiamen Univ, Dept Chem & Biochem Engn, Coll Chem & Chem Engn, Fujian Prov Key Lab Chem Biol, Xiamen 361005, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 06期
关键词：
ENHANCED RAMAN-SCATTERING; AG ALLOY NANOPARTICLES; LIQUID-PHASE OXIDATION; BIMETALLIC NANOPARTICLES; EXTRACELLULAR BIOSYNTHESIS; SHELL NANOPARTICLES; GOLD NANOPARTICLES; HYDROGEN-PEROXIDE; AEROBIC OXIDATION; GREEN SYNTHESIS;
D O I：
10.1039/c3ta13922k
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：
similar to 40 nm flower-shaped Au-Pd bimetallic nanoparticles were prepared in a facile and eco-friendly way based on the simultaneous bioreduction of HAuCl4 and Na2PdCl4 with ascorbic acid and Cacumen Platycladi leaf extract at room temperature. Characterization techniques, such as transmission electron microscopy, energy-dispersive X-ray spectroscopy, and X-ray diffraction, were employed to confirm that the as-synthesized nanoparticles were alloys. The obtained flower-shaped Au-Pd alloy nanoparticles exhibited an excellent surface enhanced Raman spectroscopic activity with rhodamine 6G and efficient catalytic ability for the oxidation of benzyl alcohol to benzaldehyde.
引用
收藏
页码：1767 / 1773
页数：7
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