The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
MoS2/WS2 Heterojunction for Photoelectrochemical Water Oxidation
Abstract
The solar-assisted oxidation of water is an essential half reaction for achieving a complete cycle of water splitting. The search of efficient photoanodes that can absorb light in the visible range is of paramount importance to enable cost-effective solar energy-conversion systems. Here, we demonstrate that atomically thin layers of MoS 2 and WS 2 can oxidize water to O 2 under incident light. Thin films of solution-processed MoS 2 and WS 2 nanosheets display n -type positive photocurrent densities of 0.45 mA cm –2 and O 2 evolution under simulated solar irradiation. WS 2 is significantly more efficient than MoS 2; however, bulk heterojunctions (B-HJs) of MoS 2 and WS 2 nanosheets results in a 10-fold increase in incident-photon-to-current-efficiency, compared to the individual constituents. This proves that charge carrier lifetime is tailorable in atomically thin crystals by creating heterojunctions of different compositions and architectures. Our results suggest that the MoS 2 and WS 2 nanosheets and their B-HJ blend are interesting photocatalytic systems for water oxidation, which can be coupled with different reduction processes for solar-fuel production.
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Cites
Electronics and optoelectronics of two-dimensional transition metal dichalcogenides
Wang, Q. H., Kalantar-Zadeh, K., Kis, A., Coleman, J. N., & Strano, M. S. (2012) · Nature Nanotechnology · doi:10.1038/nnano.2012.193 · Cited by 16,374
Walter, M. G., Warren, E. L., McKone, J. R., Boettcher, S. W., Mi, Q., Santori, E. A., & Lewis, N. S. (2010) · Chemical Reviews · doi:10.1021/cr1002326 · Cited by 9,388
Enhanced catalytic activity in strained chemically exfoliated WS2 nanosheets for hydrogen evolution
Voiry, D., Yamaguchi, H., Li, J., Silva, R., Alves, D. C. B., Fujita, T., Chen, M., Asefa, T., Shenoy, V. B., Eda, G., et al. (2013) · Nature Materials · doi:10.1038/nmat3700 · Cited by 2,641
Voiry, D., Fullon, R., Yang, J., de Carvalho Castro e Silva, C., Kappera, R., Bozkurt, I., Kaplan, D., Lagos, M. J., Batson, P. E., Gupta, G., et al. (2016) · Nature Materials · doi:10.1038/nmat4660 · Cited by 824
Cited by
Li, C., Cao, Q., Wang, F., Xiao, Y., Li, Y., Delaunay, J.-J., & Zhu, H. (2018) · Chemical Society Reviews · doi:10.1039/c8cs00067k · Cited by 494
Optimized Metal Chalcogenides for Boosting Water Splitting
Yin, J., Jin, J., Lin, H., Yin, Z., Li, J., Lu, M., Guo, L., Xi, P., Tang, Y., & Yan, C. (2020) · Advanced Science · doi:10.1002/advs.201903070 · Cited by 292
Huang, J., Wang, S., Nie, J., Huang, C., Zhang, X., Wang, B., Tang, J., Du, C., Liu, Z., & Chen, J. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2020.128055 · Cited by 96
Metadata
- Authors
- Pesci, F. M., Sokolikova, M. S., Grotta, C., Sherrell, P. C., Reale, F., Sharda, K., Ni, N., Palczynski, P., & Mattevi, C.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-07-03
- Volume
- 7
- Issue
- 8
- Pages
- 4990-4998
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2656735046
- Cited by
- 242
- References
- 4
- FWCI
- 7.40
- Type
- journal article
- Language
- en
- Open access
- closed
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