Recent developments in photocatalytic production of hydrogen peroxide

Fang, Xiao; Huang, Xi; Hu, Qiyu; Li, Bonan; Hu, Chunlian; Ma, Baochun; Ding, Yong

doi:10.1039/d4cc01577k

Chem. Commun.

2024

DOI: 10.1039/d4cc01577k

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Recent developments in photocatalytic production of hydrogen peroxide

Xiao Fang,

Xi Huang,

Qiyu Hu

et al.

Abstract: Hydrogen peroxide (H2O2), an environmentally friendly strong oxidant and energy carrier, has attracted widespread attention in photocatalysis. Artificial photosynthesis of H2O2 using water and oxygen as raw materials, solar energy...

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Cited by 8 publications

References 111 publications

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Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H₂O₂ Evolution via Controllable n → π* Electronic Transition Activation

Tong,

Odutola,

Song

et al. 2024

Advanced Materials

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Hydrogen peroxide (H2O2) is a crucial chemical used in numerous industrial applications, yet its manufacturing relies on the energy‐demanding anthraquinone process. Solar‐driven synthesis of H2O2 is gaining traction as a promising research area, providing a sustainable method for its production. Herein, a controllable activation of n → π* electronic transition is presented to boost the photocatalytic H2O2 evolution in ionic carbon nitrides. This enhancement is achieved through the simultaneous introduction of structural distortions and defect sites (─C ≡ N groups and N vacancies) into the KPHI framework. The optimal catalyst (2%Ox‐KPHI) reached an apparent quantum yield of 41% at 410 nm without the need for any cocatalysts, outperforming most previously reported carbon nitride‐based photocatalysts. Extensive experimental characterizations and theoretical calculations confirm that a corrugated configuration and the presence of defects significantly broaden the light absorption profile, improve carrier separation and migration, promote O2 adsorption, and lower the energy barriers for H2O2 desorption. Transient absorption spectroscopy indicates that the enhanced photocatalytic performance of 2%Ox‐KPHI is largely attributed to the preferential migration of electrons at defect sites over extended timescales, following the diffusion of geminate carriers across the PHI sheets.

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Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H₂O₂ Evolution via Controllable n → π* Electronic Transition Activation

Tong,

Odutola,

Song

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

show abstract

Construction of proton relay on carbon quantum dots for highly efficient hydrogen peroxide photo-production

Meng,

Zhou,

Zhang

et al. 2025

Chemical Engineering Journal

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Backbone engineering and side group manipulation in covalent organic frameworks for overall solar-driven hydrogen peroxide production

Zhang,

2024

Giant

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Recent developments in photocatalytic production of hydrogen peroxide

Abstract: Hydrogen peroxide (H2O2), an environmentally friendly strong oxidant and energy carrier, has attracted widespread attention in photocatalysis. Artificial photosynthesis of H2O2 using water and oxygen as raw materials, solar energy...

Cited by 8 publications

References 111 publications

Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H₂O₂ Evolution via Controllable n → π* Electronic Transition Activation

Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H₂O₂ Evolution via Controllable n → π* Electronic Transition Activation

Construction of proton relay on carbon quantum dots for highly efficient hydrogen peroxide photo-production

Backbone engineering and side group manipulation in covalent organic frameworks for overall solar-driven hydrogen peroxide production

Contact Info

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About

Recent developments in photocatalytic production of hydrogen peroxide

Abstract: Hydrogen peroxide (H2O2), an environmentally friendly strong oxidant and energy carrier, has attracted widespread attention in photocatalysis. Artificial photosynthesis of H2O2 using water and oxygen as raw materials, solar energy...

Cited by 8 publications

References 111 publications

Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H2O2 Evolution via Controllable n → π* Electronic Transition Activation

Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H2O2 Evolution via Controllable n → π* Electronic Transition Activation

Construction of proton relay on carbon quantum dots for highly efficient hydrogen peroxide photo-production

Backbone engineering and side group manipulation in covalent organic frameworks for overall solar-driven hydrogen peroxide production

Contact Info

Product

Resources

About

Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H₂O₂ Evolution via Controllable n → π* Electronic Transition Activation

Boosting the Quantum Efficiency of Ionic Carbon Nitrides in Photocatalytic H₂O₂ Evolution via Controllable n → π* Electronic Transition Activation