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Dumbbell-like Au-Fe3O4 nanoparticles: a new nanostructure for supercapacitors
Wednesday, March 4, 2015 9:56
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Where size matters
Nanoscale , 2015, 7,4890-4893
DOI: 10.1039/C5NR00135H, Communication
Sheng Liu, Shaojun Guo, Shouheng Sun, Xiao-Zeng You
Monodispersed dumbbell-like Au-Fe3 O4 nanoparticles (NPs) were synthesized and studied for supercapacitors. The NPs show Au/Fe3 O4 -size dependent capacitive behaviors with the best specific capacitance of 464 F g-1 at 1 A g-1 . This capacitive enhancement is believed to arise from Au-induced increase in electron transfer across the NPs demonstrating a new strategy to enhance oxide NP capacitances.
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Source: http://nanochemistry.blogspot.com/2015/03/dumbbell-like-au-fe3o4-nanoparticles.html
