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Issue 10, 2013
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Immobilization of TiO2 nanoparticles on natural Luffa cylindrica fibers for photocatalytic applications

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Abstract

TiO2/Luffa composites have been successfully prepared via a sol–gel method from the hydrolysis of a precursor of TiO2. The possibility to use Luffa fibers as biotemplate to self-support hierarchical TiO2 macrostructures has also been tested with success. The photocatalysts and the TiO2/Luffa composites were characterized by X-ray diffraction, scanning electron microscopy, thermal gravimetric analysis, FT-IR, and UV-visible spectroscopy. The photocatalytic activities have been investigated in the photodegradation of methanol, chosen as model molecules for VOCs in air. The reactions have been followed by IR-operando spectroscopy. TiO2/Luffa composites exhibited a good stability and photocatalytic activity under UV light irradiation, giving rise to a new generation of green photocatalysts, easy to shape and manufacture, for the photodegradation of organic pollutants.

Graphical abstract: Immobilization of TiO2 nanoparticles on natural Luffa cylindrica fibers for photocatalytic applications

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Publication details

The article was received on 08 Oct 2012, accepted on 04 Jan 2013 and first published on 04 Jan 2013


Article type: Paper
DOI: 10.1039/C2RA22438K
Citation: RSC Adv., 2013,3, 3438-3445
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    Immobilization of TiO2 nanoparticles on natural Luffa cylindrica fibers for photocatalytic applications

    M. El-Roz, Z. Haidar, L. Lakiss, J. Toufaily and F. Thibault-Starzyk, RSC Adv., 2013, 3, 3438
    DOI: 10.1039/C2RA22438K

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