Study on the preparation of Pt nanocapsules |
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| Authors: | Yi-fan Zhang Zhen Ji Ke Chen Bo-wen Liu Cheng-chang Jia Shan-wu Yang |
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| Institution: | School of Materials Science and Technology, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | Ag@Pt core-shell nanoparticles (Ag@Pt NPs) were prepared by a co-reduction method. Pt nanocapsules with diameters of less than 10 nm were obtained by an electrochemical method. Cyclic voltammetry (CV) scanning was used to cavitate the Ag@Pt NPs, and the morphology, structure, and cavitation conditions were studied. The results indicate that the effective cavitation conditions to obtain Pt nano-particles from Ag@Pt NPs are a scanning voltage of 0 to 0.8 V andcontinuous CV scanning over 2 h. This cavitation method is also applica-ble for the syntheses of Ir, Ru, and Ru–Pt nanocapsules. |
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| Keywords: | platinum nanocapsules cavitation preparation methods |
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