Au modified Bi2O3-TiO2 hybrid for photocatalytic synthesis of hydrogen peroxide

Liwei Feng; Bingdong Li; Yuqi Xiao; Lijuan Li; Yuqian Zhang; Qiannan Zhao; Guifu Zuo; Xianguang Meng; Vellaisamy A.L. Roy

doi:10.1016/j.catcom.2021.106315

Au modified Bi₂O₃-TiO₂ hybrid for photocatalytic synthesis of hydrogen peroxide

Liwei Feng, Bingdong Li, Yuqi Xiao, Lijuan Li, Yuqian Zhang, Qiannan Zhao, Guifu Zuo, Xianguang Meng, Vellaisamy A.L. Roy

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

In this work, an Au modified Bi₂O₃-TiO₂ (Au/Bi₂O₃-TiO₂) hybrid is developed as a simple and effective photocatalyst for the production of H₂O₂. The modification of Bi₂O₃ improves the charge separation of photocatalyst and significantly enhances the photocatalytic activity of Au/TiO₂ for H₂O₂ production. In-situ electron spin resonance studies shows stepwise single-electron oxygen reduction reaction (ORR) on the Au/Bi₂O₃-TiO₂ photocatalyst for the production of H₂O₂. This work demonstrates the importance of heterojunction structure photocatalyst for improved performance of TiO₂ in order to produce concentrated H₂O₂.

Original language	English
Article number	106315
Journal	Catalysis Communications
Volume	155
DOIs	https://doi.org/10.1016/j.catcom.2021.106315
Publication status	Published - Jul 2021
Externally published	Yes

Keywords

Au/TiO
BiO
HO
Single-electron ORR

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10.1016/j.catcom.2021.106315

Cite this

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title = "Au modified Bi2O3-TiO2 hybrid for photocatalytic synthesis of hydrogen peroxide",

abstract = "In this work, an Au modified Bi2O3-TiO2 (Au/Bi2O3-TiO2) hybrid is developed as a simple and effective photocatalyst for the production of H2O2. The modification of Bi2O3 improves the charge separation of photocatalyst and significantly enhances the photocatalytic activity of Au/TiO2 for H2O2 production. In-situ electron spin resonance studies shows stepwise single-electron oxygen reduction reaction (ORR) on the Au/Bi2O3-TiO2 photocatalyst for the production of H2O2. This work demonstrates the importance of heterojunction structure photocatalyst for improved performance of TiO2 in order to produce concentrated H2O2.",

keywords = "Au/TiO, BiO, HO, Single-electron ORR",

author = "Liwei Feng and Bingdong Li and Yuqi Xiao and Lijuan Li and Yuqian Zhang and Qiannan Zhao and Guifu Zuo and Xianguang Meng and Roy, {Vellaisamy A.L.}",

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year = "2021",

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doi = "10.1016/j.catcom.2021.106315",

language = "English",

volume = "155",

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TY - JOUR

T1 - Au modified Bi2O3-TiO2 hybrid for photocatalytic synthesis of hydrogen peroxide

AU - Feng, Liwei

AU - Li, Bingdong

AU - Xiao, Yuqi

AU - Li, Lijuan

AU - Zhang, Yuqian

AU - Zhao, Qiannan

AU - Zuo, Guifu

AU - Meng, Xianguang

AU - Roy, Vellaisamy A.L.

PY - 2021/7

Y1 - 2021/7

N2 - In this work, an Au modified Bi2O3-TiO2 (Au/Bi2O3-TiO2) hybrid is developed as a simple and effective photocatalyst for the production of H2O2. The modification of Bi2O3 improves the charge separation of photocatalyst and significantly enhances the photocatalytic activity of Au/TiO2 for H2O2 production. In-situ electron spin resonance studies shows stepwise single-electron oxygen reduction reaction (ORR) on the Au/Bi2O3-TiO2 photocatalyst for the production of H2O2. This work demonstrates the importance of heterojunction structure photocatalyst for improved performance of TiO2 in order to produce concentrated H2O2.

AB - In this work, an Au modified Bi2O3-TiO2 (Au/Bi2O3-TiO2) hybrid is developed as a simple and effective photocatalyst for the production of H2O2. The modification of Bi2O3 improves the charge separation of photocatalyst and significantly enhances the photocatalytic activity of Au/TiO2 for H2O2 production. In-situ electron spin resonance studies shows stepwise single-electron oxygen reduction reaction (ORR) on the Au/Bi2O3-TiO2 photocatalyst for the production of H2O2. This work demonstrates the importance of heterojunction structure photocatalyst for improved performance of TiO2 in order to produce concentrated H2O2.

KW - Au/TiO

KW - BiO

KW - HO

KW - Single-electron ORR

UR - http://www.scopus.com/inward/record.url?scp=85105829131&partnerID=8YFLogxK

U2 - 10.1016/j.catcom.2021.106315

DO - 10.1016/j.catcom.2021.106315

M3 - Article

AN - SCOPUS:85105829131

SN - 1566-7367

VL - 155

JO - Catalysis Communications

JF - Catalysis Communications

M1 - 106315

ER -

Au modified Bi₂O₃-TiO₂ hybrid for photocatalytic synthesis of hydrogen peroxide

Abstract

Keywords

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