Enhanced photocatalytic H<sub>2</sub>O<sub>2</sub>production by morphology-controlled CdS nanocatalysts

Zhang Qixin; Yang Yifan; Wang Haocun; Bian Junjie; Chen Guobo; Li Chunhu

doi:10.1016/j.cjche.2025.07.017

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Enhanced photocatalytic H₂O₂production by morphology-controlled CdS nanocatalysts

Updated：2026-03-13

- Enhanced photocatalytic H₂O₂production by morphology-controlled CdS nanocatalysts
- Chinese Journal of Chemical Engineering Vol. 89, Issue 1, Pages: 259-266(2026)
- Affiliations：
  
  Key Laboratory of Marine Chemistry Theory and Technology of Ministry of Education, Ocean University of China, Qingdao 266100, China
- Author bio：
  
  Corresponding authors. E-mail addresses: junjiebian@ouc.edu.cn(J. Bian)
  chenguobo@ouc.edu.cn(G. Chen).
- Funds：
- DOI：10.1016/j.cjche.2025.07.017
  CLC：
- Received：24 January 2025，
  
  Revised：2025-07-23，
  
  Accepted：27 July 2025，
  
  Online First：20 September 2025，
  
  Published：2026-01
- Accepted：
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Zhang Qixin, Yang Yifan, Wang Haocun, et al. Enhanced photocatalytic H₂O₂production by morphology-controlled CdS nanocatalysts[J]. Chinese Journal of Chemical Engineering, 2026, 89(1): 259-266. DOI: 10.1016/j.cjche.2025.07.017.
DOI：

Zhang Qixin, Yang Yifan, Wang Haocun, et al. Enhanced photocatalytic H₂O₂production by morphology-controlled CdS nanocatalysts[J]. Chinese Journal of Chemical Engineering, 2026, 89(1): 259-266. DOI: 10.1016/j.cjche.2025.07.017. DOI：

摘要

Abstract

CdS photocatalysts have broad application prospects in environmental

purification

energy conversion

and organic synthesis. However

their practical use is often hindered by the rapid recombination of photo-generated electron-hole pairs

which limits their efficiency on various reactions. Controlling morphological structures and crystal facets engineering are effective methods to enhance the photocatalytic performance of CdS. In this work

two different forms of CdS photocatalysts were synthesized by a hydrothermal method

namely nanoflower-shaped (CdS-NF) and nanorod-shaped (CdS-NR) for hydrogen peroxide (H

) production. The exposed crystal planes of CdS-NF are mainly (002) planes

while the accesible crystal planes of CdS-NR are notablly (1 0 1) planes. Notably

the photocatalytic hydrogen peroxide production yield of CdS-NR was high at 1225.13 μmol·h

- 1

·g

- 1

which is 1.78 times higher than the H

generation rate of CdS-NF. Moreover

through free radical capture experiments and DFT calculations

the reaction pathway was further explored. Both different configurations of cadmium sulfide based photocatalysts conform to the reaction mechanism of oxygen reduction as the main and water oxidation as the auxiliary.

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references

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⁰

Enhanced photocatalytic H2O2production by morphology-controlled CdS nanocatalysts

DOI：10.1016/j.cjche.2025.07.017

摘要

Abstract

关键词

Keywords

references

Enhanced photocatalytic H₂O₂production by morphology-controlled CdS nanocatalysts