Topics in Catalysis

, Volume 61, Issue 15–17, pp 1563–1573 | Cite as

Photoelectrocatalytic Reduction of CO2 to Chemicals via ZnO@Nickel Foam: Controlling C–C Coupling by Ligand or Morphology

  • Jixian Wang
  • Bo Han
  • Rong Nie
  • Yanjie Xu
  • Xiaogang Yu
  • Yapeng Dong
  • Jianguo Wang
  • Huanwang JingEmail author
Original Paper


The CO2 reduction is a very attracting research field in the environmental, material and chemical sciences in light of the energy crisis and greenhouse effect. A new photoelectrocatalytic system composed of a photoanode BiVO4 and a photocathode of nickel foam supported ZnO semiconductor was designed, assembled and applied to CO2 reduction in water. The photocathodes with different morphology could be made from electrochemical deposition method and well characterized by SEM, UV–Vis, XRD, and XPS. The photoelectrocatalytic cell of ZnO/Ni-30|KHCO3|BiVO4 can produce ethanol and acetic acid in a rate of 12.5 µM h−1 cm−2 with 100% selectivity for C2 product, attributing to the controlling of 3D-spaces of nanorod. The cell of A-ZnO/Ni-15|KHCO3|BiVO4 produces ethanol and acetic acid with 75% selectivity for C2 product under 100 mW cm−2 simulated sunlight irradiation, attributing to controlling of both amine ligand and morphology of ZnO, which reveal a new way to increase the selectivity of products.


Photoelectrocatalytic CO2 reduction C–C coupling Morphology Ligand 



This study was funded by the National Natural Science Foundation of China (NSFC 21173106), Natural Science Foundation of Gansu Province (17JR5RA212) and the Foundation of State Key Laboratory of Coal Conversion (J17-18-913-2).

Supplementary material

11244_2018_1018_MOESM1_ESM.pdf (1.9 mb)
Supplementary material 1 (PDF 1935 KB)


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical EngineeringLanzhou UniversityLanzhouChina
  2. 2.State Key Laboratory of Coal Conversion, Institute of Coal ChemistryChinese Academy of SciencesTaiyuanChina

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