Anchoring ZnIn2S4 nanosheets on oxygen-vacancy NiMoOx nanorods for efficient photocatalytic hydrogen evolution,Separation and Purification Technology

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Anchoring ZnIn2S4 nanosheets on oxygen-vacancy NiMoOx nanorods for efficient photocatalytic hydrogen evolution
Separation and Purification Technology ( IF 8.1 ) Pub Date : 2024-11-19 , DOI: 10.1016/j.seppur.2024.130608
Meng Liu, Jie Xiong, Delong Kong, Yong Liu, Hongwei Wu, Fengli Li, Hengyu Hu, Dengfeng Wang, Xiangwei Guo, Yingying Jiao, Zhiming Zhang

Section snippets

Synthesis and structural characterization

The schematic preparation of NMO_x@ZIS photocatalysts was shown in Fig. 1a. Fig. S1 reveals the X-ray diffraction (XRD) patterns of NMO (JPCDS no.13–0128). As shown in Fig. 1a, after thermal reduction, the original characteristic peaks partially disappeared, and several wider peaks appeared at 42.92°, 43.31°, 43.87°, 62.69° and 63.59° were corresponded to (31–3), (240), (33–2), (601) and (26–1) plane of NMO (JPCDS no. 45–0142). Compared with NMO_x, NMO_x@ZIS composites show new characteristic

Conclusions

In summary, a series of NMO_x@ZIS-Y photocatalysts exhibiting excellent PHE activity under visible light irradiation were prepared by growing ZIS nanosheets on NMO_x nanorod through solvothermal method. The NMO_x@ZIS-2.0 nanocomposite without any co-catalyst exhibits a remarkable H₂ production rate of 5.71 mmol·g⁻¹·h⁻¹, which is 13.6 and 11.2 times higher than NMO@ZIS and pure ZIS, respectively. The significant photocatalytic ability of NMO_x@ZIS can be demonstrated by its structure and interface

Declaration of competing interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Acknowledgments

This work is financially supported by the National Natural Science Foundation of China (22008207), Qingchuang Science and Technology Plan of Universities in Shandong Province (2021KJ057), Natural Science Foundation of Shandong Province (Nos. ZR2022MB067, ZR2022QB113, ZR2020MB030, ZR2020QB049, ZR2022MB121), Special funding for the Zaozhuang Talent Gathering Project, Project of Shandong Society for Environmental Sciences (202419), Key scientific research project plan of colleges and universities in

更新日期：2024-11-20

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