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Au Nanoparticles Supported on BiVO4: Effective Inorganic Photocatalysts for H2O2 Production from Water and O2 under Visible Light
Abstract
The design of a safe and sustainable process for the synthesis of hydrogen peroxide (H 2 O 2 ) is a very important subject from the viewpoint of green chemistry. Photocatalytic H 2 O 2 production with earth-abundant water and molecular oxygen (O 2 ) as resources is an ideal process. A successful system based on an organic semiconductor has been proposed; however, it suffers from poor photostability. Here we report an inorganic photocatalyst for H 2 O 2 synthesis. Visible light irradiation (λ >420 nm) of the semiconductor BiVO 4 loaded with Au nanoparticles (Au/BiVO 4 ) in pure water with O 2 successfully produces H 2 O 2 . The bottom of the BiVO 4 conduction band (0.02 V vs NHE, pH 0) is more positive than the one-electron reduction potential of O 2 (−0.13 V) while more negative than the two-electron reduction potential of O 2 (0.68 V). This thus suppresses one-electron reduction of O 2 and selectively promotes two-electron reduction of O 2, resulting in efficient H 2 O 2 formation.
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Citations
Cites
Characterization of High‐Surface‐Area Electrocatalysts Using a Rotating Disk Electrode Configuration
Schmidt, T. J., Gasteiger, H. A., Stäb, G. D., Urban, P. M., Kolb, D. M., & Behm, R. J. (1998) · Journal of The Electrochemical Society · doi:10.1149/1.1838642 · Cited by 1,131
Cited by
Review on nanoscale Bi-based photocatalysts
He, R., Xu, D., Cheng, B., Yu, J., & Ho, W. (2018) · Nanoscale Horizons · doi:10.1039/c8nh00062j · Cited by 518
Enhanced Photocatalytic H2O2 Production over Carbon Nitride by Doping and Defect Engineering
Wu, S., Yu, H., Chen, S., & Quan, X. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c03359 · Cited by 466
Cao, J., Wang, H., Zhao, Y., Liu, Y., Wu, Q., Huang, H., Shao, M., Liu, Y., & Kang, Z. (2020) · Journal of Materials Chemistry A · doi:10.1039/c9ta13929j · Cited by 136
Metadata
- Authors
- Hirakawa, H., Shiota, S., Shiraishi, Y., Sakamoto, H., Ichikawa, S., & Hirai, T.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-06-30
- Volume
- 6
- Issue
- 8
- Pages
- 4976-4982
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2465151014
- Cited by
- 387
- References
- 1
- FWCI
- 5.36
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Au Nanoparticles Supported on BiVO4: Effective Inorganic Photocatalysts for H2O2 Production from Water and O2 under Visible Light. https://app.cochat.ai/papers/10.1021/acscatal.6b01187
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- Hirakawa, H., Shiota, S., Shiraishi, Y., Sakamoto, H., Ichikawa, S., & Hirai, T. (2016). Au Nanoparticles Supported on BiVO4: Effective Inorganic Photocatalysts for H2O2 Production from Water and O2 under Visible Light. ACS Catalysis. https://doi.org/10.1021/acscatal.6b01187
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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