A photocatalyst of sulphur depleted monolayered molybdenum sulfide nanocrystals for dye degradation and hydrogen evolution reaction
- Submitting institution
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The University of Sheffield
- Unit of assessment
- 12 - Engineering
- Output identifier
- 5850
- Type
- D - Journal article
- DOI
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10.1016/j.nanoen.2017.06.008
- Title of journal
- Nano Energy
- Article number
- -
- First page
- 544
- Volume
- 38
- Issue
- -
- ISSN
- 2211-2855
- Open access status
- Access exception
- Month of publication
- June
- Year of publication
- 2017
- URL
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- Supplementary information
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- Request cross-referral to
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- Output has been delayed by COVID-19
- No
- COVID-19 affected output statement
- -
- Forensic science
- No
- Criminology
- No
- Interdisciplinary
- No
- Number of additional authors
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8
- Research group(s)
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- Proposed double-weighted
- No
- Reserve for an output with double weighting
- No
- Additional information
- Using sunlight to extract H2 from water offers a simple method of off-grid energy storage but requires cheaper catalysts than Pt. This paper demonstrates how S-depletion and size reduction of MoS2 monolayered nanocrystals creates photocatalytic sites and tunes the crystal's electronic structure to allow efficient excitation by solar illumination. This was used to create H2 from water more efficiently than in other non-Pt catalysts and opened the broader class of transition metal dichalcogenides (TMDs) as low cost, high efficiency photocatalysts. This has already inspired wider work in novel nanocrystal photocatalysts, including TMDs (e.g. doi.org/10.1016/j.jallcom.2018.10.034, doi.org/10.1016/j.electacta.2017.11.151, doi.org/10.1002/cssc.201801481, doi.org/10.1016/j.mtener.2018.10.015, doi.org/10.1021/acsami.8b03977).
- Author contribution statement
- -
- Non-English
- No
- English abstract
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