Oxygen Reduction Reaction for Generating H2O2 through a Piezo-Catalytic Process over Bismuth Oxychloride

Dengkui Shao, Ling Zhang, Songmei Sun, Wenzhong Wang

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Oxygen reduction reaction (ORR) for generating H2O2 through green pathways have gained much attention in recent years. Herein, we introduce a piezo-catalytic approach to obtain H2O2 over bismuth oxychloride (BiOCl) through an ORR pathway. The piezoelectric response of BiOCl was directly characterized by piezoresponse force microscopy (PFM). The BiOCl exhibits efficient catalytic performance for generating H2O2 (28 μmol h−1) only from O2 and H2O, which is above the average level of H2O2 produced by solar-to-chemical processes. A piezo-catalytic mechanism was proposed: with ultrasonic waves, an alternating electric field will be generated over BiOCl, which can drive charge carriers (electrons) to interact with O2 and H2O, then to form H2O2.

Original languageEnglish
Pages (from-to)527-531
Number of pages5
JournalChemSusChem
Volume11
Issue number3
DOIs
Publication statusPublished - Feb 9 2018

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bismuth
Bismuth
Oxygen
oxygen
Ultrasonic waves
Charge carriers
chemical process
electric field
microscopy
Microscopic examination
Electric fields
electron
bismuth oxychloride
Electrons

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Chemical Engineering(all)
  • Materials Science(all)
  • Energy(all)

Cite this

Oxygen Reduction Reaction for Generating H2O2 through a Piezo-Catalytic Process over Bismuth Oxychloride. / Shao, Dengkui; Zhang, Ling; Sun, Songmei; Wang, Wenzhong.

In: ChemSusChem, Vol. 11, No. 3, 09.02.2018, p. 527-531.

Research output: Contribution to journalArticle

Shao, Dengkui ; Zhang, Ling ; Sun, Songmei ; Wang, Wenzhong. / Oxygen Reduction Reaction for Generating H2O2 through a Piezo-Catalytic Process over Bismuth Oxychloride. In: ChemSusChem. 2018 ; Vol. 11, No. 3. pp. 527-531.
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