Enhancing Built-in Electric Fields for Efficient Photocatalytic Hydrogen Evolution by Encapsulating C60 Fullerene into Zirconium-Based Metal-Organic Frameworks

Liu L, Meng H, Chai Y, Chen X, Xu J, Liu X, Liu W, Guldi DM, Zhu Y (2023)

Publication Type: Journal article

Publication year: 2023

Journal

Angewandte Chemie International Edition Wiley

DOI: 10.1002/anie.202217897

Abstract

High-efficiency photocatalysts based on metal-organic frameworks (MOFs) are often limited by poor charge separation and slow charge-transfer kinetics. Herein, a novel MOF photocatalyst is successfully constructed by encapsulating C60 into a nano-sized zirconium-based MOF, NU-901. By virtue of host-guest interactions and uneven charge distribution, a substantial electrostatic potential difference is set-up in C60@NU-901. The direct consequence is a robust built-in electric field, which tends to be 10.7 times higher in C60@NU-901 than that found in NU-901. In the catalyst, photogenerated charge carriers are efficiently separated and transported to the surface. For example, photocatalytic hydrogen evolution reaches 22.3 mmol g−1 h−1 for C60@NU-901, which is among the highest values for MOFs. Our concept of enhancing charge separation by harnessing host-guest interactions constitutes a promising strategy to design photocatalysts for efficient solar-to-chemical energy conversion.

Authors with CRIS profile

Yongqiang Chai Lehrstuhl für Physikalische Chemie I Dirk Michael Guldi Lehrstuhl für Physikalische Chemie I

Additional Organisation(s)

FAU Profilzentrum Licht.Materie.Quantentechnologien (FAU LMQ)

Involved external institutions

Taiyuan University of Technology CN China (CN) Southwest University of Science and Technology (SWUST) / 西南科技大学 CN China (CN) Tsinghua University CN China (CN) National Center for Nanoscience and Technology (NCNST) / 国家纳米科学中心 CN China (CN)

How to cite

APA:

Liu, L., Meng, H., Chai, Y., Chen, X., Xu, J., Liu, X.,... Zhu, Y. (2023). Enhancing Built-in Electric Fields for Efficient Photocatalytic Hydrogen Evolution by Encapsulating C60 Fullerene into Zirconium-Based Metal-Organic Frameworks. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202217897

MLA:

Liu, Liping, et al. "Enhancing Built-in Electric Fields for Efficient Photocatalytic Hydrogen Evolution by Encapsulating C60 Fullerene into Zirconium-Based Metal-Organic Frameworks." Angewandte Chemie International Edition (2023).

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