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Hamed Ataee-Esfahani, Jian Liu, Ming Hu, Nobuyoshi Miyamoto, Satoshi Tominaka, Kevin C. W. Wu and Yusuke Yamauchi Mesoporous Metallic Cells: Design of Uniformly Sized Hollow Mesoporous Pt–Ru Particles with Tunable Shell Thicknesses Small 9

Version of Record online: 27 DEC 2012 | DOI: 10.1002/smll.201202539

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A new class of hollow mesoporous Pt–Ru and Pt particles with uniform size, named ‘mesoporous metallic cells’, are synthesized through a dual-templating approach using colloidal silica particles and non-ionic surfactants. To realize the full potential of mesoporous metals as electrocatalysts, the shell thicknesses, compositions, and hollow cavity sizes are precisely controlled.

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