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Immobilized covalent triazine frameworks films as effective photocatalysts for hydrogen evolution reaction

Author

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  • Xunliang Hu

    (Huazhong University of Science and Technology)

  • Zhen Zhan

    (Huazhong University of Science and Technology)

  • Jianqiao Zhang

    (Shanghai Advanced Research Institute, CAS)

  • Irshad Hussain

    (SBA School of Science and Engineering (SSE) Lahore University of Management Sciences (LUMS))

  • Bien Tan

    (Huazhong University of Science and Technology)

Abstract

Covalent triazine frameworks have recently been demonstrated as promising materials for photocatalytic water splitting and are usually used in the form of suspended powder. From a practical point of view, immobilized CTFs materials are more suitable for large-scale water splitting, owing to their convenient separation and recycling potential. However, existing synthetic approaches mainly result in insoluble and unprocessable powders, which make their future device application a formidable challenge. Herein, we report an aliphatic amine-assisted interfacial polymerization method to obtain free-standing, semicrystalline CTFs film with excellent photoelectric performance. The lateral size of the film was up to 250 cm2, and average thickness can be tuned from 30 to 500 nm. The semicrystalline structure was confirmed by high-resolution transmission electron microscope, powder X-ray diffraction, grazing-incidence wide-angle X-ray scattering, and small-angle X-ray scattering analysis. Intrigued by the good light absorption, crystalline structure, and large lateral size of the film, the film immobilized on a glass support exhibited good photocatalytic hydrogen evolution performance (5.4 mmol h−1 m−2) with the presence of co-catalysts i.e., Pt nanoparticles and was easy to recycle.

Suggested Citation

  • Xunliang Hu & Zhen Zhan & Jianqiao Zhang & Irshad Hussain & Bien Tan, 2021. "Immobilized covalent triazine frameworks films as effective photocatalysts for hydrogen evolution reaction," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-26817-4
    DOI: 10.1038/s41467-021-26817-4
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    References listed on IDEAS

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    1. Hafeesudeen Sahabudeen & Haoyuan Qi & Bernhard Alexander Glatz & Diana Tranca & Renhao Dong & Yang Hou & Tao Zhang & Christian Kuttner & Tibor Lehnert & Gotthard Seifert & Ute Kaiser & Andreas Fery & , 2016. "Wafer-sized multifunctional polyimine-based two-dimensional conjugated polymers with high mechanical stiffness," Nature Communications, Nature, vol. 7(1), pages 1-8, December.
    2. Qian Wang & Julien Warnan & Santiago Rodríguez-Jiménez & Jane J. Leung & Shafeer Kalathil & Virgil Andrei & Kazunari Domen & Erwin Reisner, 2020. "Molecularly engineered photocatalyst sheet for scalable solar formate production from carbon dioxide and water," Nature Energy, Nature, vol. 5(9), pages 703-710, September.
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    Cited by:

    1. Wei Li & Wen Duan & Guocheng Liao & Fanfan Gao & Yusen Wang & Rongxia Cui & Jincai Zhao & Chuanyi Wang, 2024. "0.68% of solar-to-hydrogen efficiency and high photostability of organic-inorganic membrane catalyst," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    2. Weijun Weng & Jia Guo, 2022. "The effect of enantioselective chiral covalent organic frameworks and cysteine sacrificial donors on photocatalytic hydrogen evolution," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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