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Macroporous Silicon Oxycarbide Fibers with Luffa-like Superhydrophobic Shells

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Ping Lu^†, Qing Huang*^‡, Baodan Liu^§, Yoshio Bando^§, You-Lo Hsieh^† and Amiya K. Mukherjee*^‡

Fiber and Polymer Science, University of California, Davis, California 95616, Department of Chemical Engineering and Materials Science, University of California, Davis, California 95616, and International Center for Materials Nanoarchitectonics (MANA), National Institute for Material Science, Tsukuba, 305-0044, Japan

J. Am. Chem. Soc., 2009, 131 (30), pp 10346–10347

DOI: 10.1021/ja902757a

Publication Date (Web): July 9, 2009

hqhuang@ucdavis.edu; akmukherjee@ucdavis.edu, †

Fiber and Polymer Science, University of California.

, ‡

Department of Chemical Engineering and Materials Science, University of California.

, §

National Institute for Material Science.

Section:

Ceramics

Abstract

High-surface-area silicon oxycarbide macroporous fibers were fabricated through in situ cross-linking of a preceramic precursor without a prepatterned template. The unique luffa-like shell combined with intrinsic silicon-containing groups accounts for the resultant superhydrophobic property. Meanwhile, the oil-uptake capacity of the corresponding fiber mat is significantly improved by the capsulated nanoparticles.

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This article has been cited by 2 ACS Journal articles (2 most recent appear below).

Characterization of Flowerlike Silicon Particles Obtained from Chemical Etching: Visible Fluorescence and Superhydrophobicity
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Langmuir2010 26 (16), 13522-13527
- Characterization of Flowerlike Silicon Particles Obtained from Chemical Etching: Visible Fluorescence and Superhydrophobicity
  Peng Shen, Norihisa Uesawa, Susumu Inasawa and Yukio Yamaguchi
  Langmuir2010 26 (16), 13522-13527
  Flowerlike silicon particles are obtained by chemical etching of polycrystalline silicon polyhedrons using a mixture of hydrofluoric acid and nitric acid. The etched flowerlike particles show stable bright red photoluminescence under UV irradiation. The ...
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Synthesis of Nickel Nanoparticles Supported on Nanoporous Silicon Oxycarbide (SiCO) Sheath−Core Fibers
Ping Lu, Qing Huang, Amiya Mukherjee and You-Lo Hsieh
The Journal of Physical Chemistry C2010 114 (27), 11776-11782
- Synthesis of Nickel Nanoparticles Supported on Nanoporous Silicon Oxycarbide (SiCO) Sheath−Core Fibers
  Ping Lu, Qing Huang, Amiya Mukherjee and You-Lo Hsieh
  The Journal of Physical Chemistry C2010 114 (27), 11776-11782
  Nickel (Ni) nanoparticles with average diameters less than 5 nm were successfully synthesized on nanoporous silicon oxycarbide (SiCO) sheath−core fibers by incipient wetness impregnation of Ni acetylacetonate precursor followed by reduction at ...
  Abstract | Full Text HTML | Hi-Res PDF | PDF w/ Links