Chinese Journal of Catalysis ›› 2024, Vol. 57: 143-153.DOI: 10.1016/S1872-2067(23)64580-2
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Yong Zhanga, Junyi Qiub, Bicheng Zhuc, Guotai Sunc, Bei Chengb, Linxi Wangc,*()
Received:
2023-10-23
Accepted:
2023-11-29
Online:
2024-02-18
Published:
2024-02-10
Contact:
* E-mail: Supported by:
Yong Zhang, Junyi Qiu, Bicheng Zhu, Guotai Sun, Bei Cheng, Linxi Wang. Hollow spherical covalent organic framework supported gold nanoparticles for photocatalytic H2O2 production[J]. Chinese Journal of Catalysis, 2024, 57: 143-153.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(23)64580-2
Fig. 2. TEM images of AT-1. (a) Low-resolution TEM image. (b) HRTEM image. (c) The crystal lattice of Au nanoparticle in a selected area. (d-g) The elemental mapping images.
Fig. 3. PXRD patterns (a) and TGA curves (b) of TB-COF and Au/TB-COF. (c) FTIR spectra of TAPB, BTCA, TB-COF, and AT-1. (d) N2 adsorption-desorption isotherms of TB-COF and AT-1, where the inset shows pore size distribution.
Fig. 6. Front-view (a) and side-view (b) of charge density difference of Au/TB-COF. The yellow and blue regions represent electron accumulation and depletion, respectively.
Fig. 7. Photocatalytic H2O2 production (a) and photoinduced H2O2 decomposition (b) over various samples under visible light irradiation. (c) Fitted Kf and Kd for photocatalytic H2O2 production. (d) Cyclic tests of AT-1 for H2O2 production.
Fig. 9. (a) H2O2 evolution rate over AT-1 under various conditions. (b) EPR signals of DMPO-?O2? on TB-COF and AT-1 in methanol after irradiation by a 300 W Xe lamp for 5 min.
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