Synthesis of hollow trimetallic Ag/Au/Pd nanoparticles for reduction of 4-nitrophenol

被引：53
|
作者：
Suwannarat, Kwanjira [1 ,2 ]
Thongthai, Kontee [1 ]
Ananta, Supon [3 ]
Srisombat, Laongnuan [1 ,4 ]
机构：
[1] Chiang Mai Univ, Dept Chem, Fac Sci, Chiang Mai 50200, Thailand
[2] Chiang Mai Univ, Grad Sch, Chiang Mai 50200, Thailand
[3] Chiang Mai Univ, Dept Phys & Mat Sci, Fac Sci, Chiang Mai 50200, Thailand
[4] Chiang Mai Univ, Ctr Excellence Mat Sci & Technol, Chiang Mai 50200, Thailand
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2018年 / 540卷
关键词：
Nanocatalyst; Ag/Au/Pd; 4-nitrophenol reduction; Multi-component nanoparticles; Hollow structure catalyst; CORE-SHELL NANOPARTICLES; ENHANCED CATALYTIC-ACTIVITY; P-NITROPHENOL REDUCTION; RECYCLABLE CATALYST; AQUEOUS SYNTHESIS; FACILE SYNTHESIS; SERS DETECTION; PARTICLE-SIZE; AG; PERFORMANCE;
D O I：
10.1016/j.colsurfa.2017.12.046
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：
The hollow trimetallic Ag/Au/Pd nanoparticles with controllable Ag:Au:Pd ratio were successfully prepared by using a successive reduction method. Their optical properties, morphologies, structures, chemical compositions and electronic properties were carefully characterized by UV-vis, TEM, WDS, XRD and XPS techniques. The synthesized nanoparticles were also employed as catalysts for reduction of 4-nitrophenol. The results show that the trimetallic Ag/Au/Pd nanoparticles provided better catalytic activity than those obtained from bimetallic Ag/Au nanoparticles and monometallic counterparts. This study demonstrated that both atomic ratio of constituent metal and hollow interior structure strongly affect the catalytic activities of the synthesized Ag/Au/Pd nanocatalysts.
引用
收藏
页码：73 / 80
页数：8
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