The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.
Nitrogen Doped Sr2Ta2O7Coupled with Graphene Sheets as Photocatalysts for Increased Photocatalytic Hydrogen Production
Abstract
In this work we present the synthesis of a new type of nitrogen-doped tantalate, Sr(2)Ta(2)O(7-x)N(x), which exhibited significantly increased visible light absorption and improved photocatalytic hydrogen production by 87% under solar irradiation, compared with its undoped counterpart Sr(2)Ta(2)O(7). The photocatalyst also exhibited a strong capability in photoinduced reduction of exfoliated graphene oxide (GO) to graphene sheets. By using graphene as a support for a Pt cocatalyst, a new type of composite containing graphene-Pt and Sr(2)Ta(2)O(7-x)N(x) was designed, which demonstrated an additional ∼80% increase in hydrogen production and an quantum efficiency of 6.45% (∼177% increase from pristine undoped Sr(2)Ta(2)O(7)) due to the efficient charge carrier separation on the photocatalyst. This work suggests that graphene can play an important role as an electron transfer highway, which facilitates the charge carrier collection onto Pt cocatalysts. The method can thus be considered as an excellent strategy to increase photocatalytic hydrogen production in addition to a commonly applied doping method.
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Cites
Graphene-based composite materials
Stankovich, S., Dikin, D. A., Dommett, G. H. B., Kohlhaas, K. M., Zimney, E. J., Stach, E. A., Piner, R. D., Nguyen, S. T., & Ruoff, R. S. (2006) · Nature · doi:10.1038/nature04969 · Cited by 12,922
Fine Structure Constant Defines Visual Transparency of Graphene
Nair, R. R., Blake, P., Grigorenko, A. N., Novoselov, K. S., Booth, T. J., Stauber, T., Peres, N. M. R., & Geim, A. K. (2008) · Science · doi:10.1126/science.1156965 · Cited by 9,084
Semiconductor-based Photocatalytic Hydrogen Generation
Chen, X., Shen, S., Guo, L., & Mao, S. S. (2010) · Chemical Reviews · doi:10.1021/cr1001645 · Cited by 7,876
Photocatalytic Water Splitting: Recent Progress and Future Challenges
Maeda, K., & Domen, K. (2010) · The Journal of Physical Chemistry Letters · doi:10.1021/jz1007966 · Cited by 2,739
A realizable renewable energy future
Turner, J. A. (1999) · Science · doi:10.1126/science.285.5428.687 · Cited by 1,642
Lightcap, I. V., Kosel, T. H., & Kamat, P. V. (2010) · Nano Letters · doi:10.1021/nl9035109 · Cited by 1,044
Cited by
Graphene-based semiconductor photocatalysts
Xiang, Q., Yu, J., & Jaroniec, M. (2012) · Chem. Soc. Rev. · doi:10.1039/c1cs15172j · Cited by 2,730
Progress, challenge and perspective of heterogeneous photocatalysts
Qu, Y., & Duan, X. (2013) · Chem. Soc. Rev. · doi:10.1039/c2cs35355e · Cited by 1,466
Zhang, J., Yu, J., Jaroniec, M., & Gong, J. R. (2012) · Nano Letters · doi:10.1021/nl301831h · Cited by 894
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
Tantalum-based semiconductors for solar water splitting
Zhang, P., Zhang, J., & Gong, J. (2014) · Chem. Soc. Rev. · doi:10.1039/c3cs60438a · Cited by 494
Metadata
- Authors
- Mukherji, A., Seger, B., Lu, G. Q. (., & Wang, L.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-04-20
- Volume
- 5
- Issue
- 5
- Pages
- 3483-3492
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2092179666
- Cited by
- 324
- References
- 6
- FWCI
- 15.24
- Type
- journal article
- Language
- en
- Open access
- closed
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