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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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Photocatalytic water splitting over highly donor-doped (110) layered perovskites

Cited 130 times inthomson ciCited 135 times inthomson ci
Title
Photocatalytic water splitting over highly donor-doped (110) layered perovskites
Other Titles
Photocatalytic water splitting over highly donor-doped (110) layered perovskites
Author
Hwang, Dong WonKim, Hyun GyuKim, JindoCha, Kyung YongKim, Young GulLee, Jae Sung
Keywords
photocatalyst; (110) layered perovskites; high donor concentration; overall water splitting
Issue Date
2000-07
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Citation
JOURNAL OF CATALYSIS, v.193, no.1, pp.40 - 48
Abstract
Highly donor-doped (110) layered perovskite materials loaded with nickel are efficient photocatalysts for overall water splitting with photon yields as high as 23% under UV irradiation. These novel photocatalysts are a series of homologous structures with a generic composition of A(m)B(m)O(3m+2) (m = 4, 5; A = Ca, Sr, La; B = Nh, Ti). The high electron density of these donor-rich materials would create a narrower charge depletion region of the semiconductor and an increased band bending, which allow more efficient electron-hole separation and higher quantum yields than undoped materials. Effects of catalyst preparation conditions are discussed on photocatalytic activity in water splitting. (C) 2000 Academic Press
URI
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DOI
10.1006/jcat.2000.2875
ISSN
0021-9517
Appears in Collections:
ECHE_Journal Papers
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