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Chemistry. 2015 Oct 12;21(42):14768-71. doi: 10.1002/chem.201502034. Epub 2015 Aug 31.

Strongly Coupled Pt-Ni2 GeO4 Hybrid Nanostructures as Potential Nanocatalysts for CO Oxidation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Xin Ge, Xiao Wang, Zhuo Wang, Shuang Yao, Jing Feng, Dapeng Liu, Shuyan Song, Hongjie Zhang

Affiliations

  1. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022 (P. R. China).
  2. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022 (P. R. China). [email protected].
  3. State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022 (P. R. China). [email protected].

PMID: 26331528 DOI: 10.1002/chem.201502034

Abstract

A facile and low-cost method has been developed to successfully fabricate 3D flower-like and sphere-like Ni2 GeO4 nanostructures with tunable sizes and shapes. It is found that the hard template, polymethyl methacrylate (PMMA) nanopsheres, is essential to the formation of the final products. The as-prepared nanostructures can serve as an outstanding support for Pt nanoparticles after surface modification with L-lysine. In the catalytic test of CO oxidation, Pt-Ni2 GeO4 nanoflowers exhibited much higher catalytic performance compared with Pt-Ni2 GeO4 nanospheres, representing a typical size-dependent catalytic property.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: Ni2GeO4; nanocatalysts; nanostructures; platinum; porous materials

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