Enhanced photocatalytic activity of brown H4Nb6O17/g-C3N4composite for visible-light driven H2O2production

Luona Zhang; Shiqi Zhao; Xiaorong Cheng; Zijie Liu; Ruochen Liu; Graham Dawson

doi:10.1039/d1ya00038a

Enhanced photocatalytic activity of brown H₄Nb₆O₁₇/g-C₃N₄composite for visible-light driven H₂O₂production

Luona Zhang, Shiqi Zhao, Xiaorong Cheng, Zijie Liu, Ruochen Liu, Graham Dawson^*

^*Corresponding author for this work

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

4 Citations (Scopus)

Abstract

A novel form of brown H4Nb6O17 was synthesised by annealing niobate nanoscrolls at 300 °C. A composite heterojunction between this brown niobate and g-C3N4 was formed, and shown to have enhanced photocatalytic activity for the ORR and H2O2 production of 1.8 μmol after 3 hours. The formation of a heterojunction between the two components was shown to alter the chemical environment and suppress the PL signal, and a band diagram of the system is proposed based on our results.

Original language	English
Pages (from-to)	169-176
Number of pages	8
Journal	Energy Advances
Issue number	3
DOIs	https://doi.org/10.1039/d1ya00038a
Publication status	Published - 1 Mar 2022

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10.1039/d1ya00038a

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Zhang, L., Zhao, S., Cheng, X., Liu, Z., Liu, R., & Dawson, G. (2022). Enhanced photocatalytic activity of brown H₄Nb₆O₁₇/g-C₃N₄composite for visible-light driven H₂O₂production. Energy Advances, (3), 169-176. https://doi.org/10.1039/d1ya00038a

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abstract = "A novel form of brown H4Nb6O17 was synthesised by annealing niobate nanoscrolls at 300 °C. A composite heterojunction between this brown niobate and g-C3N4 was formed, and shown to have enhanced photocatalytic activity for the ORR and H2O2 production of 1.8 μmol after 3 hours. The formation of a heterojunction between the two components was shown to alter the chemical environment and suppress the PL signal, and a band diagram of the system is proposed based on our results.",

author = "Luona Zhang and Shiqi Zhao and Xiaorong Cheng and Zijie Liu and Ruochen Liu and Graham Dawson",

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AU - Cheng, Xiaorong

AU - Liu, Zijie

AU - Liu, Ruochen

AU - Dawson, Graham

N1 - Funding Information: This work was supported by Suzhou Institute of Industrial Technology Research Fund (Grant No. SGYKJ201705 and 2017kyqd010), Xi’an Jiaotong Liverpool University Research Development Fund and Key Programme Special Fund in XJTLU (KSF-E-02). National Natural Science Foundation of China (Grant No. 21650110446). Publisher Copyright: © 2022 The Author(s).

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N2 - A novel form of brown H4Nb6O17 was synthesised by annealing niobate nanoscrolls at 300 °C. A composite heterojunction between this brown niobate and g-C3N4 was formed, and shown to have enhanced photocatalytic activity for the ORR and H2O2 production of 1.8 μmol after 3 hours. The formation of a heterojunction between the two components was shown to alter the chemical environment and suppress the PL signal, and a band diagram of the system is proposed based on our results.

AB - A novel form of brown H4Nb6O17 was synthesised by annealing niobate nanoscrolls at 300 °C. A composite heterojunction between this brown niobate and g-C3N4 was formed, and shown to have enhanced photocatalytic activity for the ORR and H2O2 production of 1.8 μmol after 3 hours. The formation of a heterojunction between the two components was shown to alter the chemical environment and suppress the PL signal, and a band diagram of the system is proposed based on our results.

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Enhanced photocatalytic activity of brown H₄Nb₆O₁₇/g-C₃N₄composite for visible-light driven H₂O₂production

Abstract

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