DataVXACS Applied Materials & InterfacesPaper
journal article·2017-06-28

Unusual Hollow Al2O3 Nanofibers with Loofah-Like Skins: Intriguing Catalyst Supports for Thermal Stabilization of Pt Nanocrystals

Wanlin Fu, Yunqian Dai, Jerry Pui Ho Li, Zebang Liu, Yong Yang, Yibai Sun, Yiyang Huang, Rongwei Ma, Lan Zhang, Yueming Sun

ACS Applied Materials & Interfaces· Volume 9· Issue 25
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Source abstract

Abstract

Recently, hollow nanofibers could be fabricated by coaxis electrospinning method or template method. However, they are limited to applications because of the hardship in actual preparation. In this work, hollow γ- Al 2 O 3 nanofibers with loofah-like skins were first fabricated by using a single spinneret during electrospinning. These intriguing nanofibers were explored as new Pt supports with excellently sinter-resistant performance up to 500 °C, attributed to the unique loofah-like surface of γ- Al 2 O 3 nanofibers and the strong metal–support interactions between Pt and γ-Al 2 O 3 . When applied in the catalytic reduction of p-nitrophenol, the Pt/ γ- Al 2 O 3 calcined at 500 °C exhibited 4-times higher reaction rate constant (6.8 s –1 ·mg –1 ) over free Pt nanocrystals.
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Research context

Ceramics & glassesNanomaterialsCatalysis & surfaces

OpenAlex topics: Nanomaterials for catalytic reactions · Supercapacitor Materials and Fabrication · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Bioelectronics, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, Jiangsu 211189, P. R. China

School of Physical Science and Technology, Shanghaitech University, Shanghai 200120, P. R. China

Department of Chemical and Pharmaceutical Engineering, Chengxian College, Southeast University, Nanjing 210088, P. R. China

Funding

Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · Science and Technology Commission of Shanghai Municipality · National Natural Science Foundation of China · Shell · Chinese Academy of Sciences · Jiangsu Province · Priority Academic Program Development of Jiangsu Higher Education Institutions · Nanjing Science and Technology Committee

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