Size modulation of plasmonic In2O3 nanocube optimized photocatalytic H2 evolution over stack g–C3N4–In2O3 heterojunction

Yang, Xiangjie; Yu, Wei-Lun; Wang, Wensi; Da, Wang; Wang, Qiyao; Huo, Xuyang

doi:10.1016/j.ijhydene.2023.05.018

International Journal of Hydrogen Energy

2023

DOI: 10.1016/j.ijhydene.2023.05.018

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Size modulation of plasmonic In2O3 nanocube optimized photocatalytic H2 evolution over stack g–C3N4–In2O3 heterojunction

Xiangjie Yang

Wei-Lun Yu

Wensi Wang

et al.

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Gas‐Phase Photocatalytic Coprocessing of CO₂ – H₂O_(v) to Energy Products Promoted by the n,n‐Junction In₂O₃@g‐C₃N₄ under VIS‐Light

Baran,

Aresta,

Comparelli

et al. 2024

ChemSusChem

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Carbon dioxide capture and utilization is a strategic technology for moving away from fossil‐C. The conversion of CO2 into fuels demands energy and hydrogen that cannot be sourced from fossil‐C. Co‐processing of CO2 and water under solar irradiation will have a key role in the long‐term for carbon‐recycling and energy products production. This article discusses the synthesis, characterization and application of the two‐phase composite photocatalyst, In2O3@g‐C3N4, formed by thermal condensation of melamine in the presence of indium(III)nitrate. The composite exhibits a n,n‐heterojunction between two n‐type semiconductors, g‐C3N4 and In2O3, leading to a more efficient charge separation. The composite has a flat band potential enabling it to effectively catalyze the reduction of CO2 in the gas phase to produce CO, CH4 and CH3OH. While the composite's overall photocatalytic efficiency is comparable to that of neat g‐C3N4, its ability to promote multielectron‐transfer and Proton Coupled to Electron Transfer (PCET) suggests that there is a potential for further optimization of its properties. The use of labelled 13CO2 has allowed us to clearly exclude that the reduced species are derived from the photocatalyst decomposition or the degradation of contaminants.

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Gas‐Phase Photocatalytic Coprocessing of CO₂ – H₂O_(v) to Energy Products Promoted by the n,n‐Junction In₂O₃@g‐C₃N₄ under VIS‐Light

Baran,

Aresta,

Comparelli

et al. 2024

ChemSusChem

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Recyclable hydrogen peroxide photosynthesis over Z-scheme In2O3/g-C3N4 heterojunction with viable reduction of superoxide radical intermediate

Qian,

Wu,

Zhang

et al. 2025

Applied Surface Science

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g-C3N4/In2O3 heterojunction films and their excellent photocatalytic performance in fruit preservation and organic dye degradation

Hao,

Wang,

Zhao

et al. 2024

Journal of Environmental Chemical Engineering

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Size modulation of plasmonic In2O3 nanocube optimized photocatalytic H2 evolution over stack g–C3N4–In2O3 heterojunction

Cited by 5 publications

References 46 publications

Gas‐Phase Photocatalytic Coprocessing of CO₂ – H₂O_(v) to Energy Products Promoted by the n,n‐Junction In₂O₃@g‐C₃N₄ under VIS‐Light

Gas‐Phase Photocatalytic Coprocessing of CO₂ – H₂O_(v) to Energy Products Promoted by the n,n‐Junction In₂O₃@g‐C₃N₄ under VIS‐Light

Recyclable hydrogen peroxide photosynthesis over Z-scheme In2O3/g-C3N4 heterojunction with viable reduction of superoxide radical intermediate

g-C3N4/In2O3 heterojunction films and their excellent photocatalytic performance in fruit preservation and organic dye degradation

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Size modulation of plasmonic In2O3 nanocube optimized photocatalytic H2 evolution over stack g–C3N4–In2O3 heterojunction

Cited by 5 publications

References 46 publications

Gas‐Phase Photocatalytic Coprocessing of CO2 – H2O(v) to Energy Products Promoted by the n,n‐Junction In2O3@g‐C3N4 under VIS‐Light

Gas‐Phase Photocatalytic Coprocessing of CO2 – H2O(v) to Energy Products Promoted by the n,n‐Junction In2O3@g‐C3N4 under VIS‐Light

Recyclable hydrogen peroxide photosynthesis over Z-scheme In2O3/g-C3N4 heterojunction with viable reduction of superoxide radical intermediate

g-C3N4/In2O3 heterojunction films and their excellent photocatalytic performance in fruit preservation and organic dye degradation

Contact Info

Product

Resources

About

Gas‐Phase Photocatalytic Coprocessing of CO₂ – H₂O_(v) to Energy Products Promoted by the n,n‐Junction In₂O₃@g‐C₃N₄ under VIS‐Light

Gas‐Phase Photocatalytic Coprocessing of CO₂ – H₂O_(v) to Energy Products Promoted by the n,n‐Junction In₂O₃@g‐C₃N₄ under VIS‐Light