Efficient photocatalytic production of hydrogen peroxide using dispersible and photoactive porous polymers

Shengdong Wang, Zhipeng Xie, Da Zhu, Shuai Fu, Yishi Wu, Hongling Yu, Chuangye Lu, Panke Zhou, Mischa Bonn, Hai I. Wang, Qing Liao, Hong Xu, Xiong Chen () and Cheng Gu ()
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Shengdong Wang: Sichuan University
Zhipeng Xie: Fuzhou University
Da Zhu: Tsinghua University
Shuai Fu: Max Planck Institute for Polymer Research, Ackermannweg 10
Yishi Wu: Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University
Hongling Yu: Fuzhou University
Chuangye Lu: South China University of Technology
Panke Zhou: Fuzhou University
Mischa Bonn: Max Planck Institute for Polymer Research, Ackermannweg 10
Hai I. Wang: Max Planck Institute for Polymer Research, Ackermannweg 10
Qing Liao: Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University
Hong Xu: Tsinghua University
Xiong Chen: Fuzhou University
Cheng Gu: Sichuan University

Nature Communications, 2023, vol. 14, issue 1, 1-7

Abstract: Abstract Developing efficient artificial photocatalysts for the biomimetic photocatalytic production of molecular materials, including medicines and clean energy carriers, remains a fundamentally and technologically essential challenge. Hydrogen peroxide is widely used in chemical synthesis, medical disinfection, and clean energy. However, the current industrial production, predominantly by anthraquinone oxidation, suffers from hefty energy penalties and toxic byproducts. Herein, we report the efficient photocatalytic production of hydrogen peroxide by protonation-induced dispersible porous polymers with good charge-carrier transport properties. Significant photocatalytic hydrogen peroxide generation occurs under ambient conditions at an unprecedented rate of 23.7 mmol g–1 h–1 and an apparent quantum efficiency of 11.3% at 450 nm. Combined simulations and spectroscopies indicate that sub-picosecond ultrafast electron “localization” from both free carriers and exciton states at the catalytic reaction centers underlie the remarkable photocatalytic performance of the dispersible porous polymers.

Date: 2023
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DOI: 10.1038/s41467-023-42720-6

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