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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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Synthesis of Nanocrystalline ZnFe2O(4) by Polymerized Complex Method for its Visible Light Photocatalytic Application: An Efficient Photo-oxidant

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Title
Synthesis of Nanocrystalline ZnFe2O(4) by Polymerized Complex Method for its Visible Light Photocatalytic Application: An Efficient Photo-oxidant
Other Titles
Synthesis of Nanocrystalline ZnFe2O(4) by Polymerized Complex Method for its Visible Light Photocatalytic Application: An Efficient Photo-oxidant
Author
Jang, Jum SukBorse, Pramod H.Lee, Jae SungJung, Ok-SangCho, Chae-RyongJeong, Euh DuckHa, Myoung GyuWon, Mi SookKim, Hyun Gyu
Keywords
Zinc ferrites; Nano-particles; Polymerized complex method; Photocatalytic activity
Issue Date
2009-08
Publisher
KOREAN CHEMICAL SOC
Citation
BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.30, no.8, pp.1738 - 1742
Abstract
Nanocrystalline ZnFe2O4 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 ZnFe2O4 made by PC method is in total contrast to that was observed in ZnFe2O4 prepared by the conventional solid-state reaction (SSR) method. The band gap of the nano-crystalline ZnFe2O4 determined by UV-DRS was 1.90 eV (653 nm). The photocatalytic activity of ZnFe2O4 prepared by PC method as investigated by the photo-decomposition of isopropyl alcohol (IPA) under visible light (>= 420 nm) was much higher than that of the ZnFe2O4 prepared by SSR as well as TiO2-xNx. High photocatalytic activity of ZnFe2O4 prepared by PC method was mainly due to its surface area, crystallinity and the dispersity of platinum metal over ZnFe2O4
URI
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DOI
10.5012/bkcs.2009.30.8.1738
ISSN
1229-5949
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ECHE_Journal Papers
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