Chinese Journal of Catalysis ›› 2022, Vol. 43 ›› Issue (2): 265-275.DOI: 10.1016/S1872-2067(21)63801-9
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Jin Zhang, Zi-Hao Pan, Ying Yang, Peng-Fei Wang, Chen-Yang Pei, Wei Chen*(), Guo-Bo Huang#(
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Received:
2021-01-21
Accepted:
2021-01-21
Online:
2022-02-18
Published:
2021-05-20
Contact:
Wei Chen, Guo-Bo Huang
Supported by:
Jin Zhang, Zi-Hao Pan, Ying Yang, Peng-Fei Wang, Chen-Yang Pei, Wei Chen, Guo-Bo Huang. Boosting the catalytic activity of a step-scheme In2O3/ZnIn2S4 hybrid system for the photofixation of nitrogen[J]. Chinese Journal of Catalysis, 2022, 43(2): 265-275.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(21)63801-9
Fig. 4. XPS analyses: survey spectra (a) and the Zn 2p (b), In 3d (c), S 2p (d), and O 1s (e) spectra and EPR spectra (f) of pure In2O3, ZnIn2S4, and 50 wt% In2O3/ZnIn2S4 hybrid sample.
Fig. 5. N2 adsorption-desorption isotherms (a) and the corresponding pore size distribution curves (b) of In2O3, ZnIn2S4, and the 50 wt% In2O3/ZnIn2S4 hybrid sample.
Fig. 6. (a) Catalytic activities of the different samples and (b) catalytic stability of the 50 wt% In2O3/ZnIn2S4 hybrid sample for the photofixation of N2 under simulated sunlight.
Fig. 7. (a) Catalytic activity of the 50 wt% In2O3/ZnIn2S4 hybrid sample in the presence of different trapping agents; EPR spectra of DMPO-·CO2- on the addition of methanol (b) and EDTA-2Na (c) as hole scavengers; (d) the EPR spectra of DMPO-·OH.
Fig. 8. PL spectra (a), TRPL spectra (b), transient photocurrent data (c), electrochemical impedance spectroscopy Nyquist plots (d), and surface photovoltage spectra (e) of In2O3, ZnIn2S4, and In2O3/ZnIn2S4 hybrid samples.
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