Synthesis and characterization of aurivillius phase Bi5Ti3FeO15 layered perovskite for visible light photocatalysis
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概要
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An aurivillius phase Layered perovskite Bi5FeTi3O15 system was synthesized for first time by the solid-state reaction method yielding a single phase Bi5FeTi3O15 at only 1030°C. The electronic band structure and optical properties as well as the crystallization behavior of the materials were studied by using UV-DRS and XRD. The as-prepared particles those were the agglomerates of 25 nm crystals, exhibited the band gap of 2.38 eV (525 nm). Their visible light (λ ≥ 420 nm) photocatalytic activity as studied by the photo-decomposition of isopropyl alcohol (IPA) was found to be much higher than that of well-known TiO2-xNx photocatalyst.
著者
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Yoon Sang
Department Of Ceramic Engineering Kangnung National University
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JUNG Ok-Sang
Department of Chemistry (BK21), Pusan National University
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Jang Jum
Department of Mechanical Engineering, University of Colorado
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Borse Pramod
Center for Nanomaterials, International Advanced Research Center for Powder Metallurgy and New Materials (ARC International)
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LIM Kwon
Department of Imaging System Engineering, Pukyong National University
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HONG Tae
Busan Center, Korea Basic Science Institute
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JEONG Euh
Busan Center, Korea Basic Science Institute
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SHIM Yoon
Department of Chemistry (BK21), Pusan National University
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KIM Hyun
Busan Center, Korea Basic Science Institute
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YOON Sang
Department of Chemistry (BK21), Pusan National University
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