Applied Physics A

, 124:836 | Cite as

Efficient photoelectrochemical performances of the novel honeycomb network-like CuBi2O4 films

  • Lei Zhao
  • Xuan Wang
  • Zhifeng LiuEmail author


Nowadays, the preparation of CuBi2O4 powder as photocatalyst has been studied intensively. However, there have been few reports on CuBi2O4 films with uniform coverage, large surface area and excellent photoelectrochemical (PEC) properties. Therefore, this work reports a novel two-step synthesis method to prepare honeycomb network-like CuBi2O4 films for efficient photoelectrochemical water splitting. A pearl-like CuBi2O4 film was prepared by electrodeposition method first, and then using pearl-like CuBi2O4 films as framework to prepare honeycomb network-like CuBi2O4 films. The photocurrent of pearl-like CuBi2O4 films is − 0.59 mA at − 0.8 V vs. RHE under simulated sunlight, which of honeycomb network-like CuBi2O4 films is − 1.22 mA at − 0.8 V vs. RHE, which is 1.90 times improvement than pearl particle CuBi2O4 films. This research provides a unique insight into the in-depth exploration of CuBi2O4 films as photocathodes for efficient photoelectrochemical water splitting.



The authors gratefully acknowledge financial support from Science Funds of Tianjin for Distinguished Young Scholar (no. 17JCJQJC44800), Natural Science Foundation of Tianjin (no. 16JCYBJC17900) and Science and Technology Project of Henan Province (no. 182106000029).

Supplementary material

339_2018_2262_MOESM1_ESM.docx (80 kb)
Supplementary material 1 (DOCX 80 KB)


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© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Civil Engineering and ArchitectureXinxiang UniversityXinxiangChina
  2. 2.School of Materials Science and EngineeringTianjin Chengjian UniversityTianjinChina

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