Copper-Decorated Microsized Nanoporous Titanium Dioxide Photocatalysts for Carbon Dioxide Reduction by Water

Tao Zhang, Jingxiang Low, Xiaoxi Huang, Jafar F. Al-Sharab, Jiaguo Yu, Teddy Asefa

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A series of metallic copper (Cu)-decorated microsized, nanoporous titanium dioxide (TiO2) materials with different loadings of Cu were synthesized by in situ hydrolysis of Sn2+-grafted titanium glycolate microspheres in the presence of Cu2+ ions. The resulting materials showed good photocatalytic activity for CO2 reduction with water. In particular, the material prepared with an optimal loading of Cu (≈0.4 wt %) exhibited the highest photocatalytic activity for the reduction of CO2 to hydrocarbon fuel (CH4), with an efficiency that was 21-fold higher than that of the most commonly studied and utilized commercial photocatalyst, Degussa P25 TiO2, under similar reaction conditions.

Original languageEnglish
Pages (from-to)3054-3062
Number of pages9
JournalChemCatChem
Volume9
Issue number15
DOIs
Publication statusPublished - Aug 9 2017

Fingerprint

Photocatalysts
Carbon Dioxide
titanium oxides
Titanium dioxide
carbon dioxide
Copper
Carbon dioxide
glycolic acid
hydrocarbon fuels
copper
Water
water
hydrolysis
titanium
Hydrocarbons
Titanium
Microspheres
Hydrolysis
Ions
ions

Keywords

  • copper
  • nanocomposites
  • photocatalysis
  • reduction
  • titanium

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

Cite this

Copper-Decorated Microsized Nanoporous Titanium Dioxide Photocatalysts for Carbon Dioxide Reduction by Water. / Zhang, Tao; Low, Jingxiang; Huang, Xiaoxi; Al-Sharab, Jafar F.; Yu, Jiaguo; Asefa, Teddy.

In: ChemCatChem, Vol. 9, No. 15, 09.08.2017, p. 3054-3062.

Research output: Contribution to journalArticle

Zhang, Tao ; Low, Jingxiang ; Huang, Xiaoxi ; Al-Sharab, Jafar F. ; Yu, Jiaguo ; Asefa, Teddy. / Copper-Decorated Microsized Nanoporous Titanium Dioxide Photocatalysts for Carbon Dioxide Reduction by Water. In: ChemCatChem. 2017 ; Vol. 9, No. 15. pp. 3054-3062.
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