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Photocatalytic paper using zinc oxide nanorods

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Author(s): Sunandan Baruah, Mayuree Jaisai, Reza Imani, Mousa M Nazhad and Joydeep Dutta

Journal: Science and Technology of Advanced Materials
ISSN 1468-6996

Volume: 11;
Issue: 5;
Start page: 055002;
Date: 2010;
Original page

ABSTRACT
Zinc oxide (ZnO) nanorods were grown on a paper support prepared from soft wood pulp. The photocatalytic activity of a sheet of paper with ZnO nanorods embedded in its porous matrix has been studied. ZnO nanorods were firmly attached to cellulose fibers and the photocatalytic paper samples were reused several times with nominal decrease in efficiency. Photodegradation of up to 93% was observed for methylene blue in the presence of paper filled with ZnO nanorods upon irradiation with visible light at 963 Wm–2 for 120 min. Under similar conditions, photodegradation of approximately 35% was observed for methyl orange. Antibacterial tests revealed that the photocatalytic paper inhibits the growth of Escherichia coli under room lighting conditions.
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