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Author

Lee, Zonghoon
Atomic-Scale Electron Microscopy (ASEM) Lab
Research Interests
  • Advanced Transmission Electron Microscopy (TEM/STEM), in Situ TEM, graphene, 2D materials, low-dimensional crystals, nanostructured materials

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Enhanced Photocatalytic Properties of TiO2 Nanobelts via In Situ Doping of C and Fe

Cited 2 times inthomson ciCited 4 times inthomson ci
Title
Enhanced Photocatalytic Properties of TiO2 Nanobelts via In Situ Doping of C and Fe
Author
Nguyen, Thi Quynh HoaLee, ZonghoonKim, Eui-Tae
Keywords
Co-doped; Fe content; Fe doping; Fe precursor; In-situ; In-situ doping; Metal catalyst; Photo-catalytic; Photocatalytic efficiency; Photocatalytic property; Photocatalytic reactivity; Self-doped; Si (001) substrate; Sublimation temperature; TiO; UV- and; Visible light; Visible-light photocatalysis
Issue Date
201202
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.159, no.2, pp.K42 - K45
Abstract
Highly efficient photocatalytic C:Fe:TiO2 nanobelts, in which C and Fe were in-situ co-doped, were synthesized on Si (001) substrates without the use of any metal catalysts at 510 degrees C using simple and low-cost metallorganic chemical vapor deposition (MOCVD). Residual C, a by-product of MOCVD reaction, was utilized effectively to be self-doped in TiO2 for visible-light photocatalysis. Moreover, both UV and visible-light photocatalytic reactivities of the nanobelts were enhanced significantly with the deliberately in-situ doped Fe. The Fe doping content was reliably controlled by varying the sublimation temperature of the Fe precursor. The visible-light photocatalytic efficiency shows a maximum at a Fe content of 0.9 atom%.
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DOI
http://dx.doi.org/10.1149/2.053202jes
ISSN
0013-4651
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