Chinese Journal of Catalysis ›› 2022, Vol. 43 ›› Issue (2): 461-471.DOI: 10.1016/S1872-2067(21)63915-3
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Huapeng Li, Bin Sun*(), Tingting Gao, Huan Li, Yongqiang Ren, Guowei Zhou#(
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Received:
2021-05-01
Accepted:
2021-05-01
Online:
2022-02-18
Published:
2022-02-18
Contact:
Bin Sun, Guowei Zhou
Supported by:
Huapeng Li, Bin Sun, Tingting Gao, Huan Li, Yongqiang Ren, Guowei Zhou. Ti3C2 MXene co-catalyst assembled with mesoporous TiO2 for boosting photocatalytic activity of methyl orange degradation and hydrogen production[J]. Chinese Journal of Catalysis, 2022, 43(2): 461-471.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(21)63915-3
Fig. 1. (a) Schematic illustration for the synthesis process of mesoporous TiO2/Ti3C2 composites; (b) Zeta potential of Ti3C2 MXene and mesoporous TiO2 nanoparticles; (c) Digital photographs of mesoporous TiO2 nanoparticles, Ti3C2 MXene, and T/M-3% in the aqueous solution.
Fig. 2. (a) XRD patterns of Ti3AlC2 and Ti3C2; (b) XRD patterns of TiO2 and composites with different Ti3C2 contents; (c) Raman spectra of Ti3AlC2, Ti3C2, TiO2, and T/M-3%; (d) The enlarged curves in the range of 100-700 cm-1 in (c).
Fig. 3. N2 adsorption-desorption isotherms and corresponding pore size distribution curves (inset) of TiO2 (a), Ti3C2 (b), T/M-1% (c), T/M-3% (d), T/M-5% (e), and T/M-7% (f).
Fig. 6. UV-vis diffuse reflectance spectra (a), band gap plots (b), PL spectra (c), TRPL spectra (d), transient photocurrent (e), and EIS Nyquist plots (f) of the as-prepared samples.
Fig. 7. (a) Photocatalytic degradation of MO; (b) Kinetic linear simulation curves for the photocatalytic degradation of MO; (c) Rate constant of as-synthesized photocatalysts; (d) UV-vis spectra and the solution color (inset) of MO at different photocatalytic degradation time intervals, cycling stability (e), and photocatalytic degradation (f) of MO in the presence of different scavengers over T/M-3%.
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