Prussian blue modified FePt nanoparticles for the electrochemical reduction of H2O2

被引:1
|
作者
Arun, T. [1 ,2 ]
Joseyphus, R. Justin [1 ]
机构
[1] Natl Inst Technol, Dept Phys, Magnet Mat Lab, Tiruchirappalli 620015, Tamil Nadu, India
[2] Inst Phys, Sachivalaya Marg, Bhubaneswar 751005, Odisha, India
关键词
FePt; Prussian blue; Polyol process; Electrocatalytic activity; Magnetic nanoparticles; IRON-OXIDE NANOPARTICLES; HYDROGEN-PEROXIDE; MAGNETIC NANOPARTICLES; POLYOL PROCESS; PD-PT; SURFACE; WATER; EXCHANGE; SILICA; FILM;
D O I
10.1007/s11581-015-1617-6
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
FePt nanoparticles were synthesized by polyol process with chloride salts, and the equiatomic composition was surface modified with prussian blue (PB). From the magnetic studies, the fraction of PB present in the surface-modified fcc-FePt was found to be 18 %. The FePt nanoparticles with an average particle size of 5 nm forms cluster like morphology, which were embedded in the PB matrix. The electrocatalytic reduction of hydrogen peroxide (H2O2) by the PB-modified FePt nanoparticles was studied. The reduction peak current showed linear response for H2O2 in the concentration range up to 3.5 mM. The FePt nanoparticles did not exhibit significant H2O2 reduction whereas the PB-modified FePt showed reduction of H2O2 with the addition of 0.35 mM of H2O2.
引用
收藏
页码:877 / 883
页数:7
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