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http://dx.doi.org/10.5012/bkcs.2009.30.8.1738

Synthesis of Nanocrystalline ZnFe2O4 by Polymerized Complex Method for its Visible Light Photocatalytic Application: An Efficient Photo-oxidant  

Jang, Jum-Suk (Department of Chemical Engineering, Pohang University of Science and Technology)
Borse, Pramod H. (Department of Chemical Engineering, Pohang University of Science and Technology)
Lee, Jae-Sung (Centre for Nanomaterials, International Advanced Research Centre for Powder Metallurgy and New Materials (ARC International))
Jung, Ok-Sang (Department of Chemical Engineering, Pohang University of Science and Technology)
Cho, Chae-Ryong (Department of Chemistry (BK21), Pusan National University)
Jeong, Euh-Duck (Department of Nano Fusion Technology, Pusan National University)
Ha, Myoung-Gyu (Busan Center, Korea Basic Science Institute)
Won, Mi-Sook (Busan Center, Korea Basic Science Institute)
Kim, Hyun-Gyu (Busan Center, Korea Basic Science Institute)
Publication Information
Bulletin of the Korean Chemical Society / v.30, no.8, 2009 , pp. 1738-1742 More about this Journal
Abstract
Nanocrystalline Zn$Fe_2O_4$ oxide-semiconductor with spinel structure was synthesized by the polymerized complex (PC) method and investigated for its photocatalytic and photoelectric properties. The observation of a highly pure phase and a lower crystallization temperature in Zn$Fe_2O_4$ made by PC method is in total contrast to that was observed in Zn$Fe_2O_4$ prepared by the conventional solid-state reaction (SSR) method. The band gap of the nanocrystalline Zn$Fe_2O_4$ determined by UV-DRS was 1.90 eV (653 nm). The photocatalytic activity of Zn$Fe_2O_4$ prepared by PC method as investigated by the photo-decomposition of isopropyl alcohol (IPA) under visible light (${\geq}$ 420 nm) was much higher than that of the Zn$Fe_2O_4$ prepared by SSR as well as Ti$O_{2-x}N_x$. High photocatalytic activity of Zn$Fe_2O_4$ prepared by PC method was mainly due to its surface area, crystallinity and the dispersity of platinum metal over Zn$Fe_2O_4$.
Keywords
Zinc ferrites; Nano-particles; Polymerized complex method; Photocatalytic activity;
Citations & Related Records
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Times Cited By Web Of Science : 3  (Related Records In Web of Science)
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