Chinese Journal of Catalysis ›› 2022, Vol. 43 ›› Issue (4): 1111-1122.DOI: 10.1016/S1872-2067(21)63930-X
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Yangrui Xua, Xiaodie Zhua, Huan Yana, Panpan Wanga, Minshan Songb, Changchang Mac, Ziran Cheng, Jinyu Chua, Xinlin Liud,e,*(), Ziyang Lua,f,h,*()
Received:
2021-07-18
Accepted:
2021-07-18
Online:
2022-03-05
Published:
2022-03-01
Contact:
Xinlin Liu, Ziyang Lu
Supported by:
Yangrui Xu, Xiaodie Zhu, Huan Yan, Panpan Wang, Minshan Song, Changchang Ma, Ziran Chen, Jinyu Chu, Xinlin Liu, Ziyang Lu. Hydrochloric acid-mediated synthesis of ZnFe2O4 small particle decorated one-dimensional Perylene Diimide S-scheme heterojunction with excellent photocatalytic ability[J]. Chinese Journal of Catalysis, 2022, 43(4): 1111-1122.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(21)63930-X
Fig. 5. Magnetization patterns at room temperature (a) and UV-vis diffuse reflectance spectrum of different samples (b). (inset in a is the photograph of 1D PDI/ZnFe2O4 separated from solution under a magnet).
Fig. 6. Degradation rates (a), the pseudo-first-order kinetics fitting data (b), degradation rates and error analysis of three repeated experiments at 60 min (c), the pseudo-first-order kinetics fitting data and error analysis of three repeated experiments at 60 min (d) for photodegradation of TC over different samples.
Sample | Degradation rate (%) | Apparent rate constant (min-1) |
---|---|---|
No sample | 4.55 ± 0.25 | 0.065 ± 0.002 |
PDI | 7.26 ± 0.35 | 0.16 ± 0.004 |
ZnFe2O4 | 6.85 ± 0.45 | 0.19 ± 0.004 |
1D PDI/ZnFe2O4 | 66.67 ± 1.8 | 1.10 ± 0.03 |
PDI/ZnFe2O4 | 7.98 ± 0.67 | 0.08 ± 0.007 |
HCl-ZnFe2O4 | 7.55 ± 0.56 | 0.08 ± 0.007 |
Table 1 Degradation rates and apparent rate constants for degradation of TC with different samples at 60 min and the corresponding error analysis of three repeated experiments.
Sample | Degradation rate (%) | Apparent rate constant (min-1) |
---|---|---|
No sample | 4.55 ± 0.25 | 0.065 ± 0.002 |
PDI | 7.26 ± 0.35 | 0.16 ± 0.004 |
ZnFe2O4 | 6.85 ± 0.45 | 0.19 ± 0.004 |
1D PDI/ZnFe2O4 | 66.67 ± 1.8 | 1.10 ± 0.03 |
PDI/ZnFe2O4 | 7.98 ± 0.67 | 0.08 ± 0.007 |
HCl-ZnFe2O4 | 7.55 ± 0.56 | 0.08 ± 0.007 |
Fig. 7. Degradation rates and error analysis of three repeated experiments at 60 min for TC degradation with 1D PDI/ZnFe2O4 under different cycle times.
Fig. 12. The effect of degradation of TC in existence of different quenchers and error analysis of three repeated experiments at 60 min over 1D PDI/ZnFe2O4 (a), and the corresponding time-change UV-vis UV-vis absorption spectrum (b-d).
Fig. 14. The electron transfer mechanism near the interface of 1D PDI/ZnFe2O4. (a) PDI and ZnFe2O4 before contact; (b) PDI and ZnFe2O4 after contact; (c) PDI/ZnFe2O4 under light irradiation.
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