Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO2

Minsu Jung; Jason Scott; Yun Hau Ng; Yijiao Jiang; Rose Amal

doi:10.1109/ICONN.2014.6965246

Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO₂

Minsu Jung, Jason Scott, Yun Hau Ng, Yijiao Jiang, Rose Amal

Chemical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

This work focuses on the influence of Cu oxidation state on photocatalytic hydrogen generation by Cu/TiO_2•Hydrogen reduction was used to tailor the Cu oxidation state on the TiO_2•Cu⁺ and/or Cu⁰ appeared to be the more favourable oxidation state for generating H_2•Cu²⁺ initially present on the TiO₂ was reduced to Cu⁺ and/or Cu⁰ during the photocatalytic process. Cu deposits on reduced Cu/TiO₂ catalysts were observed to be metallic Cu with a thin shell of CuO and its activity was greater than both bare TiO₂ and air-calcined Cu/TiO_2•This enhancement could be attributed to metallic copper and improved Cu crystallinity.

Original language	English (US)
Title of host publication	Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	4-6
Number of pages	3
ISBN (Electronic)	9781479935215
DOIs	https://doi.org/10.1109/ICONN.2014.6965246
State	Published - Nov 21 2014
Event	2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014 - Adelaide, Australia Duration: Feb 2 2014 → Feb 6 2014

Publication series

Name	Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014

Conference

Conference	2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014
Country/Territory	Australia
City	Adelaide
Period	02/2/14 → 02/6/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

Keywords

Copper
oxidation state
photocatalytic hydrogen production
TiO2

ASJC Scopus subject areas

Biotechnology
Bioengineering
Electrical and Electronic Engineering
Electronic, Optical and Magnetic Materials

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/ICONN.2014.6965246

Cite this

Jung, M., Scott, J., Ng, Y. H., Jiang, Y., & Amal, R. (2014). Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO₂. In Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014 (pp. 4-6). Article 6965246 (Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICONN.2014.6965246

Jung, Minsu ; Scott, Jason ; Ng, Yun Hau et al. / Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO₂. Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 4-6 (Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014).

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title = "Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO2",

abstract = "This work focuses on the influence of Cu oxidation state on photocatalytic hydrogen generation by Cu/TiO2•Hydrogen reduction was used to tailor the Cu oxidation state on the TiO2•Cu+ and/or Cu0 appeared to be the more favourable oxidation state for generating H2•Cu2+ initially present on the TiO2 was reduced to Cu+ and/or Cu0 during the photocatalytic process. Cu deposits on reduced Cu/TiO2 catalysts were observed to be metallic Cu with a thin shell of CuO and its activity was greater than both bare TiO2 and air-calcined Cu/TiO2•This enhancement could be attributed to metallic copper and improved Cu crystallinity.",

keywords = "Copper, oxidation state, photocatalytic hydrogen production, TiO2",

author = "Minsu Jung and Jason Scott and Ng, {Yun Hau} and Yijiao Jiang and Rose Amal",

note = "Publisher Copyright: {\textcopyright} 2014 IEEE.; 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014 ; Conference date: 02-02-2014 Through 06-02-2014",

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Jung, M, Scott, J, Ng, YH, Jiang, Y & Amal, R 2014, Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO₂. in Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014., 6965246, Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014, Institute of Electrical and Electronics Engineers Inc., pp. 4-6, 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014, Adelaide, Australia, 02/2/14. https://doi.org/10.1109/ICONN.2014.6965246

Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO₂. / Jung, Minsu; Scott, Jason; Ng, Yun Hau et al.
Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 4-6 6965246 (Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - This work focuses on the influence of Cu oxidation state on photocatalytic hydrogen generation by Cu/TiO2•Hydrogen reduction was used to tailor the Cu oxidation state on the TiO2•Cu+ and/or Cu0 appeared to be the more favourable oxidation state for generating H2•Cu2+ initially present on the TiO2 was reduced to Cu+ and/or Cu0 during the photocatalytic process. Cu deposits on reduced Cu/TiO2 catalysts were observed to be metallic Cu with a thin shell of CuO and its activity was greater than both bare TiO2 and air-calcined Cu/TiO2•This enhancement could be attributed to metallic copper and improved Cu crystallinity.

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KW - photocatalytic hydrogen production

KW - TiO2

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Jung M, Scott J, Ng YH, Jiang Y, Amal R. Impact of Cu oxidation state on photocatalytic H2 production by Cu/TiO₂. In Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014. Institute of Electrical and Electronics Engineers Inc. 2014. p. 4-6. 6965246. (Proceedings of the 2014 International Conference on Nanoscience and Nanotechnology, ICONN 2014). doi: 10.1109/ICONN.2014.6965246