The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Sites for High Efficient Photocatalytic Hydrogen Evolution on a Limited-Layered MoS2 Cocatalyst Confined on Graphene Sheets―The Role of Graphene
Abstract
The development of an advanced cocatalyst is critical for improving the efficiency of the photocatalytic hydrogen evolution reaction. Noble metals such as platinum (Pt) have been identified to be the most active cocatalyst for this reaction; however, due to their low-abundance, high cost, their usage in the scale-up setup is impeditive. Here, we report a high active cocatalyst, limited-layered MoS 2 confined on RGO sheets as an alternative of Pt, for hydrogen evolution in dye-sensitized photocatalytic systems. Growing a MoS 2 cocatalyst on RGO sheets provides more available catalytically edge sites and thus exhibits much higher activity than large aggregated pristine MoS 2 particles under visible light irradiation (≥420 nm). The apparent quantum efficiency (AQE) of 24% at 460 nm over an Eosin Y-sensitized MoS 2 /RGO photocatalyst has been achieved. In addition, the electrical coupling and synergistic effect between MoS 2 and RGO sheets greatly facilitate the efficient electron transfer from photoexcited dye to the active edge sites of MoS 2; as a result, the prolonged lifetime of photogenerated electrons and the improved charge separation efficiency have been accomplished, and the photocatalytic hydrogen evolution activity has been enhanced significantly. This work demonstrates that the structural integration of MoS 2 with RGO will be a new promising strategy to develop a high efficient and low-cost non-noble metal cocatalyst for solar hydrogen generation.
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Citations
Cites
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Cited by
Voiry, D., Yang, J., & Chhowalla, M. (2016) · Advanced Materials · doi:10.1002/adma.201505597 · Cited by 949
Meng, F., Li, J., Cushing, S. K., Zhi, M., & Wu, N. (2013) · Journal of the American Chemical Society · doi:10.1021/ja404851s · Cited by 643
Maitra, U., Gupta, U., De, M., Datta, R., Govindaraj, A., & Rao, C. N. R. (2013) · Angewandte Chemie International Edition · doi:10.1002/anie.201306918 · Cited by 489
Shen, M., Yan, Z., Yang, L., Du, P., Zhang, J., & Xiang, B. (2014) · Chem. Commun. · doi:10.1039/c4cc07351g · Cited by 181
Charge-Transfer Induced High Efficient Hydrogen Evolution of MoS2/graphene Cocatalyst
Li, H., Yu, K., Li, C., Tang, Z., Guo, B., Lei, X., Fu, H., & Zhu, Z. (2015) · Scientific Reports · doi:10.1038/srep18730 · Cited by 134
Metadata
- Authors
- Min, S., & Lu, G.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-11-20
- Volume
- 116
- Issue
- 48
- Pages
- 25415-25424
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W1967247466
- Cited by
- 337
- References
- 12
- FWCI
- 11.05
- Type
- journal article
- Language
- en
- Open access
- closed
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