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We demonstrate the preparation and electrochemical behavior of Pt/IrO2Nb2O5–rGO composite for oxygen reduction reaction, in which IrO2Nb2O5–rGO is firstly synthesized by one-pot hydrothermal process, and Pt is then supported on it through microwave-assisted polyol process. It is found that Nano-scaled Pt/IrO2Nb2O5 hybrid particles (ca. 6.3 nm) are well dispersed throughout the rGO sheets. Doping Ir...
In order to fabricate effective bifunctional oxygen catalyst, IrO2 nanoparticles have been synthesized by hydrothermal method, and Pt/IrO2 bifunctional catalyst is then prepared by a microwave-assisted polyol process. X-ray diffraction and transmission electron microscopy are employed to characterize the catalysts, which reveal that Pt with a particle size of 2–3 nm is deposited on IrO2 surface. Electrochemical...
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