Enhanced photocatalytic activity of TiO{sub 2} nanobarbed fibers treated with atmospheric pressure plasma using O{sub 2} gas

Journal Article · Mon Nov 29 00:00:00 EST 2010 · Applied Physics Letters

DOI:https://doi.org/10.1063/1.3524210· OSTI ID:21518193

Lee, Hyun-Uk; Ahn, Kyun; Jeong, Se-Young; Cho, Chae-Ryong ^[1]; Kim, Jong-Pil; Bae, Jong-Seong; Kim, Hyun-Gyu ^[2]; Kwon, Se-Hun; Lee, Hyung Woo ^[3]

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1. College of Nanoscience and Nanotechnology, Pusan National University, Busan 609-735 (Korea, Republic of)
2. Busan Center, Korea Basic Science Institute, Busan 609-735 (Korea, Republic of)
3. National Core Research Center, Pusan National University, Busan 609-735 (Korea, Republic of)

TiO{sub 2} nanobarbed fibers (NBFs) were prepared by growing rutile TiO{sub 2} nanorods on anatase TiO{sub 2} nanofibers via electrospinning and hydrothermal reaction processes. There was a large increase in the photocatalytic activity of O{sub 2}-plasma-treated (OP)-TiO{sub 2} NBFs relative to that of the TiO{sub 2} NBFs; this is due to the hydroxylation of the surface of the TiO{sub 2} NBFs by OP treatment. The repeatability of the photocatalytic activity of the OP-TiO{sub 2} NBFs was found to be high and the decolorization rate after ten cycles was 88.3% of the initial value. These results indicate that OP-TiO{sub 2} NBFs have great potential for use as a photocatalyst.

• OSTI ID: 21518193
• Journal Information: Applied Physics Letters, Vol. 97, Issue 22; Other Information: DOI: 10.1063/1.3524210; (c) 2010 American Institute of Physics; ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
77 NANOSCIENCE AND NANOTECHNOLOGY
ATMOSPHERIC PRESSURE
FIBERS
HYDROTHERMAL SYNTHESIS
HYDROXYLATION
NANOSTRUCTURES
OXYGEN
PHOTOCATALYSIS
PHOTOCHEMISTRY
PLASMA
RUTILE
SEMICONDUCTOR MATERIALS
SURFACE TREATMENTS
SURFACES
TITANIUM OXIDES
CATALYSIS
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISTRY
ELEMENTS
MATERIALS
MINERALS
NONMETALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
RADIOACTIVE MATERIALS
RADIOACTIVE MINERALS
SYNTHESIS
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS