Chinese Journal of Catalysis ›› 2021, Vol. 42 ›› Issue (10): 1790-1797.DOI: 10.1016/S1872-2067(21)63820-2
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Zhe Wua,b, Song Guob, Li-Hui Kongb, Ai-Fang Genga(), Yu-Jie Wangb, Ping Wangb, Shuang Yaoa,b(
), Kai-Kai Chenb, Zhi-Ming Zhangb(
)
Received:
2021-03-18
Accepted:
2021-04-01
Online:
2021-10-18
Published:
2021-06-20
Contact:
Ai-Fang Geng,Shuang Yao,Zhi-Ming Zhang
About author:
First author contact:†These authours contributed equally to this work.
Supported by:
Zhe Wu, Song Guo, Li-Hui Kong, Ai-Fang Geng, Yu-Jie Wang, Ping Wang, Shuang Yao, Kai-Kai Chen, Zhi-Ming Zhang. Doping [Ru(bpy)3]2+ into metal-organic framework to facilitate the separation and reuse of noble-metal photosensitizer during CO2 photoreduction[J]. Chinese Journal of Catalysis, 2021, 42(10): 1790-1797.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(21)63820-2
Fig. 3. (a) CO yield with different concentrations of C-1 in 8 h; (b) CO yield with UiO-Ru-1, UiO-Ru-2, and UiO-Ru-3 in 8 h with C-1 (50 μM); (c) Photocatalytic activity with UiO-Ru-2 (with 50 μM C-1) and control experiments; (d) Recycling experiments with UiO-Ru-2 as the photocatalyst. Reaction conditions: (a-c) UiO-Ru (1.0 mg), BIH (0.05 M), 0.5 mL H2O, and 4.5 mL CH3CN in 8 h; (d) UiO-Ru (1.0 mg), BIH (0.025 M), C-1 (25 μM), 0.25 mL H2O, and 2.25 mL CH3CN in 4 h (irradiated by a 300 W Xe lamp with λ ≥ 400 nm, 200 mW·cm-2; irradiation area: 0.8 cm2).
Fig. 4. (a) UV-vis diffuse reflectance spectra of UiO-Ru PSs; photoluminescence spectra (b) and transient fluorescence spectra (c) of UiO-Ru PSs; (d) redox potentials of relevant species in the catalytic system.
Fig. 5. Nanosecond transient absorption spectra. (a) L-2; (b) Decay of L-2 at 450 nm; (c) L-2 in the presence of 0.4 mM BIH; (d) Kinetic traces of reduced L-2 at 450 nm; (e) L-2 in the presence of 90 μM C-1; (f) Kinetic traces of L-2 at 450 nm with different concentrations of C-1. Conditions: λex = 410 nm in CH3CN under an N2 atmosphere.
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