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Preparation of TiO2, CeO2, and ZrO2 hierarchical structures in “one-pot” reactions

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Abstract.
In this paper, a novel template of carbon foam is used in building hierarchical structures of TiO2, CeO2,
and ZrO2. They had multiscale morphologies, from nanowalls, nanoparticles to layer nanostructures.
On a hundred-micron scale, the product was a sponge-like material constructed by nanowalls. On a
hundred-nanometer scale, the electron microscope images showed that the nanowalls were porous and
assembled by polycrystalline nanoparticles. Meanwhile, on one nanometer scale, many nanoparticles
exhibited layer nanostructures with about 1.1 nm of thickness and spacing. In mechanism section, the
process analysis and characterizations suggested that the hierarchical structures were the combined result
of two templates in a “one-pot” reaction. The mesoporous nanowalls were derived from carbon foams,
while the layer nanostructures were the replicas of graphite sheets. The method has potential utilizations
in preparation of various adsorbent and catalyst.

Keywords:
Hierarchical structures
Nanoparticles
Carbon foams
Graphite template
One-pot reaction

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Ketersediaan

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Informasi Detail

Judul Seri

Journal of Colloid and Interface Science

No. Panggil

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Penerbit

London : Elsevier Inc.., 2009

Deskripsi Fisik

Journal of Colloid and Interface Science 333 (2009) 764–770

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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