Stable 1T-phase MoS as an effective electron mediator promoting photocatalytic hydrogen production
Nanoscale, ISSN: 2040-3372, Vol: 10, Issue: 19, Page: 9292-9303
2018
- 64Citations
- 30Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations64
- Citation Indexes64
- 64
- CrossRef59
- Captures30
- Readers30
- 30
Article Description
Coupling two semiconductors together to construct a Z-scheme type photocatalytic system is an efficient strategy to solve the serious recombination challenge of photogenerated electrons and holes. In this work, we develop a novel composite photocatalyst by sandwiching metallic 1T-phase MoS nanosheets between MoO and g-CN (MoO/1T-MoS/g-CN) for the first time. The metallic 1T-phase MoS acts as an efficient electron mediator between MoO and g-CN to construct an all-solid-state Z-scheme photocatalytic system, resulting in a highly-efficient spatial charge separation and transfer process. Benefiting from this, the newly developed MoO/1T-MoS/g-CN exhibits a drastically enhanced photocatalytic H evolution rate of 513.0 μmol h g under visible light irradiation (>420 nm), which is nearly 12 times higher than that of the pure g-CN (39.5 μmol h g), and 3.5 times higher than that of MoO/g-CN (145.7 μmol h g). More importantly, the originally unstable 1T-phase MoS becomes very stable in MoO/1T-MoS/g-CN because of the sandwich structure where 1T-phase MoS is protected by MoO and g-CN, which endows the photocatalyst with excellent photostability. It is believed that this study will provide new insights into the design of efficient and stable Z-scheme heterostructures for photocatalytic applications.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85047266573&origin=inward; http://dx.doi.org/10.1039/c8nr00017d; http://www.ncbi.nlm.nih.gov/pubmed/29737351; https://xlink.rsc.org/?DOI=C8NR00017D; https://dx.doi.org/10.1039/c8nr00017d; https://pubs.rsc.org/en/content/articlelanding/2018/nr/c8nr00017d
Royal Society of Chemistry (RSC)
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