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Shape- and Size-Controlled Synthesis in Hard Templates: Sophisticated Chemical Reduction for Mesoporous Monocrystalline Platinum Nanoparticles
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2011 (English)In: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 133, no 37, 14526-14529 p.Article in journal (Refereed) Published
Abstract [en]

Here we report a novel hard-templating strategy for the synthesis of mesoporous monocrystalline Pt nanopartides (NPs) with uniform shapes and sizes. Mesoporous Pt NPs were successfully prepared through controlled chemical reduction using ascorbic acid by employing 3D bicontinuous mesoporous silica (KIT-6) and 2D mesoporous silica (SBA-15) as a hard template. The particle size could be controlled by changing the reduction time. Interestingly, the Pt replicas prepared from KIT-6 showed polyhedral morphology. The single crystallinity of the Pt fcc structure coherently extended over the whole particle.

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2011. Vol. 133, no 37, 14526-14529 p.
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Natural Sciences
URN: urn:nbn:se:su:diva-66545DOI: 10.1021/ja2058617ISI: 000295148100016OAI: diva2:469766
authorCount :9Available from: 2011-12-27 Created: 2011-12-20 Last updated: 2011-12-27Bibliographically approved

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Terasaki, Osamu
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Inorganic and Structural Chemistry
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