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Electrospinning preparation, characterization and photocatalytic properties of Bi2O3 nanofibers

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Abstract.
Bi2O3 nanofibers with diameter of 70–200 nm were successfully prepared by electrospinning a precursor
mixture of polyacrylonitrile (PAN)/bismuth nitrate, followed by calcination treatment of the electrospun
polymer/inorganic composite fibers. The resulting Bi2O3 nanofibers were characterized with X-ray
diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, FT-IR spectra and UV–vis
diffuse reflectance spectroscopy. The Bi2O3 nanofibers calcined at 500 ◦C exhibited β phase, and whereas
the nanofibers calcined at 550 and 600 ◦C both exhibited dominant β phase together with a trace amount
of α phase. Photocatalytic experiments indicated that the obtained Bi2O3 nanofibers calcined at 500 ◦C
were highly active for photodegradation of organic pollutants Rhodamine B (RB). Furthermore, the Bi2O3
nanofibers could be easily recycled without decrease of the photocatalytic activity.

Keywords:
Bi2O3
Nanofibers
Electrospinning
Photocatalytic

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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) 242–248

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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