Fullerene C                         70                          decorated TiO                         2                          nanowires for visible-light-responsive photocatalyst

Er Chieh Cho; Jing Hao Ciou; Jia Huei Zheng; Job Pan; Yu Sheng Hsiao; Kuen Chan Lee; Jen Hsien Huang

doi:10.1016/j.apsusc.2015.07.062

Fullerene C ₇₀ decorated TiO ₂ nanowires for visible-light-responsive photocatalyst

Er Chieh Cho, Jing Hao Ciou, Jia Huei Zheng, Job Pan, Yu Sheng Hsiao, Kuen Chan Lee, Jen Hsien Huang

Research output: Contribution to journal › Article › peer-review

45 Citations (Scopus)

Abstract

In this study, we have synthesized C ₆₀ and C ₇₀ -modified TiO ₂ nanowire (NW) through interfacial chemical bonding. The results indicate that the fullerenes (C ₆₀ and C ₇₀ derivatives) can act as sinks for photogenerated electrons in TiO ₂ , while the fullerene/TiO ₂ is illuminated under ultraviolet (UV) light. Therefore, in comparison to the pure TiO ₂ NWs, the modified TiO ₂ NWs display a higher photocatalytic activity under UV irradiation. Moreover, the fullerenes also can function as a sensitizer to TiO ₂ which expand the utilization of solar light from UV to visible light. The results reveal that the C ₇₀ /TiO ₂ NWs show a significant photocatalytic activity for degradation of methylene blue (MB) in visible light region. To better understand the mechanism responsible for the effect of fullerenes on the photocatalytic properties of TiO ₂ , the electron only devices and photoelectrochemical cells based on fullerenes/TiO ₂ are also fabricated and evaluated.

Original language	English
Pages (from-to)	536-546
Number of pages	11
Journal	Applied Surface Science
Volume	355
DOIs	https://doi.org/10.1016/j.apsusc.2015.07.062
Publication status	Published - Nov 15 2015

Keywords

Fullerene
Nanowire
Photocatalyst
TiO
Visible light

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Surfaces, Coatings and Films
General Physics and Astronomy
Surfaces and Interfaces

Access to Document

10.1016/j.apsusc.2015.07.062

Cite this

Cho, E. C., Ciou, J. H., Zheng, J. H., Pan, J., Hsiao, Y. S., Lee, K. C., & Huang, J. H. (2015). Fullerene C ₇₀ decorated TiO ₂ nanowires for visible-light-responsive photocatalyst Applied Surface Science, 355, 536-546. https://doi.org/10.1016/j.apsusc.2015.07.062

Fullerene C ₇₀ decorated TiO ₂ nanowires for visible-light-responsive photocatalyst . / Cho, Er Chieh; Ciou, Jing Hao; Zheng, Jia Huei et al.
In: Applied Surface Science, Vol. 355, 15.11.2015, p. 536-546.

Research output: Contribution to journal › Article › peer-review

Cho, EC, Ciou, JH, Zheng, JH, Pan, J, Hsiao, YS, Lee, KC & Huang, JH 2015, ' Fullerene C ₇₀ decorated TiO ₂ nanowires for visible-light-responsive photocatalyst ', Applied Surface Science, vol. 355, pp. 536-546. https://doi.org/10.1016/j.apsusc.2015.07.062

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title = " Fullerene C 70 decorated TiO 2 nanowires for visible-light-responsive photocatalyst ",

abstract = " In this study, we have synthesized C 60 and C 70 -modified TiO 2 nanowire (NW) through interfacial chemical bonding. The results indicate that the fullerenes (C 60 and C 70 derivatives) can act as sinks for photogenerated electrons in TiO 2 , while the fullerene/TiO 2 is illuminated under ultraviolet (UV) light. Therefore, in comparison to the pure TiO 2 NWs, the modified TiO 2 NWs display a higher photocatalytic activity under UV irradiation. Moreover, the fullerenes also can function as a sensitizer to TiO 2 which expand the utilization of solar light from UV to visible light. The results reveal that the C 70 /TiO 2 NWs show a significant photocatalytic activity for degradation of methylene blue (MB) in visible light region. To better understand the mechanism responsible for the effect of fullerenes on the photocatalytic properties of TiO 2 , the electron only devices and photoelectrochemical cells based on fullerenes/TiO 2 are also fabricated and evaluated.",

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AU - Hsiao, Yu Sheng

AU - Lee, Kuen Chan

AU - Huang, Jen Hsien

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AB - In this study, we have synthesized C 60 and C 70 -modified TiO 2 nanowire (NW) through interfacial chemical bonding. The results indicate that the fullerenes (C 60 and C 70 derivatives) can act as sinks for photogenerated electrons in TiO 2 , while the fullerene/TiO 2 is illuminated under ultraviolet (UV) light. Therefore, in comparison to the pure TiO 2 NWs, the modified TiO 2 NWs display a higher photocatalytic activity under UV irradiation. Moreover, the fullerenes also can function as a sensitizer to TiO 2 which expand the utilization of solar light from UV to visible light. The results reveal that the C 70 /TiO 2 NWs show a significant photocatalytic activity for degradation of methylene blue (MB) in visible light region. To better understand the mechanism responsible for the effect of fullerenes on the photocatalytic properties of TiO 2 , the electron only devices and photoelectrochemical cells based on fullerenes/TiO 2 are also fabricated and evaluated.

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