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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 12
BKCSDE 30(12)
December 20, 2009

Title	Energy Band Structure and Photocatalytic Property of Fe-doped Zn₂TiO₄> Material
Author	Jum Suk Jang, Pramod H Borse, Jae Sung Lee, Kwon Taek Lim, Ok Sang Jung, Euh Duck Jeong, Jong Seong Bae, Mi Sook Won, Hyun Gyu Kim*
Keywords	Fe doped Zn₂TiO₄, Polymerized complex method, Photocatalysis, Visible light, Hydrogen production
Abstract	Zn₂Ti_1-xFexO₄ (0 ≤ x ≤ 0.7) photocatalysts were synthesized by polymerized complex (PC) method and investigated for its physico-chemical as well as optical properties. Zn₂Ti_1-xFe_xO₄ can absorb not only UV light but also visible light region due to doping of Fe in the Ti site of Zn₂TiO₄ lattice because of the band transition from Fe 3d to the Fe 3d + Ti3d hybrid orbital. The photocatalytic activity of Fe doped Zn₂TiO₄ samples for hydrogen production under UV light irradiation decreased with an increase in Fe concentration in Zn₂TiO₄. Consequently, there exists an optimized concentration of iron for improved photocatalytic activity under visible light (λ ≥ 420 nm)
Page	3021 - 3024
Full Text	PDF

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