Abstract
We synthesized insoluble Prussian blue nanoparticles (PB NPs) and water-soluble PB NPs ([Fe(CN)6]4−-modified PB NPs) as synthetic fields and carriers of Pt subnano clusters. Pt2+ can attach on their surface Fe–CN sites. The amount of the attached Pt2+ on the insoluble and water-soluble PB NP surfaces was saturated to reach Pt/Fe = 15 and 40 mol%, respectively, based on the total metal ions of PB. The results showed that the attachment amount of Pt2+ on the surface CN sites was controlled by the surface modification. From results of TEM and STEM-HADDF-EDS, Pt subnano clusters (1.4 nm) were observed on water-soluble PB NPs after the reduction using hydrazine.
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This work was supported by the Sasakawa Scientific Research Grant from The Japan Science Society, a Grant-in-Aid for Scientific Research (C) (No. 24550069) of the Japan Society for the Promotion of Science (JSPS).
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Ishizaki, M., Tsuruta, S., Kanaizuka, K. et al. Growth of Pt Subnano Clusters on Limited Surface Areas of Prussian Blue Nanoparticles. J Inorg Organomet Polym 23, 216–222 (2013). https://doi.org/10.1007/s10904-012-9721-9
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DOI: https://doi.org/10.1007/s10904-012-9721-9