High Activity of Hexagonal Ag/Pt Nanoshell Catalyst for Oxygen Electroreduction
Department of Chemical and Materials Engineering, National Kaohsiung University of Applied Science, No. 415, Chien Kung Rd., Kaohsiung, 807, Taiwan, ROC
Nanoscale Research Letters 2008, 4:193-196 doi:10.1007/s11671-008-9224-3Published: 4 December 2008
Hexagonal Ag/Pt nanoshells were prepared by using a hexagonal Ag nanoplate as the displacement template and by introducing Pt ions. The prepared Ag/Pt nanoshells played the role of an electrocatalyst in an oxygen reduction process. Compared to spherical Pt and Ag/Pt nanoparticles, the hexagonal Ag/Pt nanoshells showed higher activity for oxygen electroreduction.