Self-cycled photo-Fenton-like system based on an artificial leaf with a solar-to-H2O2 conversion efficiency of 1.46%

Chaoran Dong; Yilong Yang; Xuemin Hu; Yoonjun Cho; Gyuyong Jang; Yanhui Ao; Luyang Wang; Jinyou Shen; Jong Hyeok Park; Kan Zhang

doi:10.1038/s41467-022-32410-0

Self-cycled photo-Fenton-like system based on an artificial leaf with a solar-to-H₂O₂ conversion efficiency of 1.46%

Chaoran Dong, Yilong Yang, Xuemin Hu, Yoonjun Cho, Gyuyong Jang, Yanhui Ao, Luyang Wang, Jinyou Shen, Jong Hyeok Park, Kan Zhang

Department of Chemical and Biomolecular Engineering

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

11 Citations (Scopus)

Abstract

Millions of families around the world remain vulnerable to water scarcity and have no access to drinking water. Advanced oxidation processes (AOPs) are an effective way towards water purification with qualified reactive oxygen species (ROSs) while are impeded by the high-cost and tedious process in either input of consumable reagent, production of ROSs, and the pre-treatment of supporting electrolyte. Herein, we couple solar light-assisted H₂O₂ production from water and photo-Fenton-like reactions into a self-cyclable system by using an artificial leaf, achieving an unassisted H₂O₂ production rate of 0.77 μmol/(min·cm²) under 1 Sun AM 1.5 illumination. Furthermore, a large (70 cm²) artificial leaf was used for an unassisted solar-driven bicarbonate-activated hydrogen peroxide (BAP) system with recycled catalysts for real-time wastewater purification with requirements for only water, oxygen and sunlight. This demonstration highlights the feasibility and scalability of photoelectrochemical technology for decentralized environmental governance applications from laboratory benchtops to industry.

Original language	English
Article number	4982
Journal	Nature communications
Volume	13
Issue number	1
DOIs	https://doi.org/10.1038/s41467-022-32410-0
Publication status	Published - 2022 Dec

Bibliographical note

Funding Information:
This work was supported by NSFC (22172077, 21902104) and the International Cooperation Program (BZ2020063) of Jiangsu Province, the Natural Science Foundation of Jiangsu Province of China (BK 20211573), the Fundamental Research Funds for the Central Universities (30921011216). This research was also supported by the Yonsei Signature Research Cluster Program of 2021 (2021-22-0002). J.H. Park acknowledges the support from NRF Korea (2019R1A2C3010479, 2021M3H4A1A03049662, 2022H1D3A3A01077254, 2022R1A4A200823).

Publisher Copyright:
© 2022, The Author(s).

All Science Journal Classification (ASJC) codes

Chemistry(all)
Biochemistry, Genetics and Molecular Biology(all)
General
Physics and Astronomy(all)

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1038/s41467-022-32410-0

Cite this

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title = "Self-cycled photo-Fenton-like system based on an artificial leaf with a solar-to-H2O2 conversion efficiency of 1.46%",

abstract = "Millions of families around the world remain vulnerable to water scarcity and have no access to drinking water. Advanced oxidation processes (AOPs) are an effective way towards water purification with qualified reactive oxygen species (ROSs) while are impeded by the high-cost and tedious process in either input of consumable reagent, production of ROSs, and the pre-treatment of supporting electrolyte. Herein, we couple solar light-assisted H2O2 production from water and photo-Fenton-like reactions into a self-cyclable system by using an artificial leaf, achieving an unassisted H2O2 production rate of 0.77 μmol/(min·cm2) under 1 Sun AM 1.5 illumination. Furthermore, a large (70 cm2) artificial leaf was used for an unassisted solar-driven bicarbonate-activated hydrogen peroxide (BAP) system with recycled catalysts for real-time wastewater purification with requirements for only water, oxygen and sunlight. This demonstration highlights the feasibility and scalability of photoelectrochemical technology for decentralized environmental governance applications from laboratory benchtops to industry.",

author = "Chaoran Dong and Yilong Yang and Xuemin Hu and Yoonjun Cho and Gyuyong Jang and Yanhui Ao and Luyang Wang and Jinyou Shen and Park, {Jong Hyeok} and Kan Zhang",

note = "Funding Information: This work was supported by NSFC (22172077, 21902104) and the International Cooperation Program (BZ2020063) of Jiangsu Province, the Natural Science Foundation of Jiangsu Province of China (BK 20211573), the Fundamental Research Funds for the Central Universities (30921011216). This research was also supported by the Yonsei Signature Research Cluster Program of 2021 (2021-22-0002). J.H. Park acknowledges the support from NRF Korea (2019R1A2C3010479, 2021M3H4A1A03049662, 2022H1D3A3A01077254, 2022R1A4A200823). Publisher Copyright: {\textcopyright} 2022, The Author(s).",

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