Surface modulation of MoS 2 /O-ZnIn 2 S 4 to boost photocatalytic H 2 evolution
Journal of Energy Chemistry, ISSN: 2095-4956, Vol: 75, Page: 276-284
2022
- 77Citations
- 14Captures
- 1Mentions
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Most Recent News
New Photocatalytics Study Findings Have Been Reported from Qingdao University (Surface Modulation of Mos2/o-znin2s4 To Boost Photocatalytic H-2 Evolution)
2022 DEC 02 (NewsRx) -- By a News Reporter-Staff News Editor at Nanotech Daily -- Current study results on Nanotechnology - Photocatalytics have been published.
Article Description
To realize the continuous production of hydrogen energy, the efficient photocatalysts are required in the heterogeneous reaction for water splitting. Herein, we reported a surface modulation strategy, via doping oxygen atoms to tune the surface state of ZnIn 2 S 4 nanosheets with cocatalyst MoS 2 modification, to enhance water adsorption and surface catalytic reaction for boosting the photocatalytic activity. Consequently, MoS 2 /O-ZnIn 2 S 4 photocatalysts showed a remarkably superior photocatalytic H 2 production performance of 4.002 mmol g −1 h −1 and an apparent quantum yield (AQY) of ∼2.53%, 5.4 folds higher than ZnIn 2 S 4. Using operando infrared spectroscopy and DFT calculation, we revealed the dynamic structural evolution, as well as the active sites for water adsorption and the catalytic reaction at the MoS 2 /O-ZnIn 2 S 4 interface. This work reveals the effect of surface modulation on the photocatalytic activity for MoS 2 /O-ZnIn 2 S 4 and offers a feasible method to devise excellent nanomaterial photocatalysts for H 2 production.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S2095495622003357; http://dx.doi.org/10.1016/j.jechem.2022.06.027; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85133318211&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S2095495622003357; https://dx.doi.org/10.1016/j.jechem.2022.06.027; http://sciencechina.cn/gw.jsp?action=cited_outline.jsp&type=1&id=7381388&internal_id=7381388&from=elsevier
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