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Efficient Visible Light Photocatalytic CO2 Reforming of CH4
Abstract
The large energy requirement of CO 2 reforming of methane (CRM) has obstructed its application. Solar energy is a solution for the issue. Different from efficient photocatalytic splitting of water, photocatalysis for CRM exhibits a very low efficiency and employs only ultraviolet (UV) light. This letter reports an efficient visible-light photocatalytic CRM by combining Pt/black TiO 2 catalyst with light-diffuse-reflection-surface. Under visible light illumination by filtering UV light from AM 1.5G sunlight, H 2 and CO yields reached 71 and 158 mmol/h/g cat, with a quantum efficiency of 32.3% at 550 °C, and 129 and 370 mmol/h/g cat, with a quantum efficiency of 57.8% at 650 °C. Those yields are 3 orders of magnitude larger than the reported values.
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Citations
Cited by
Cocatalysts for Selective Photoreduction of CO2into Solar Fuels
Li, X., Yu, J., Jaroniec, M., & Chen, X. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.8b00400 · Cited by 2,304
Industrial carbon dioxide capture and utilization: state of the art and future challenges
Gao, W., Liang, S., Wang, R., Jiang, Q., Zhang, Y., Zheng, Q., Xie, B., Toe, C. Y., Zhu, X., Wang, J., et al. (2020) · Chemical Society Reviews · doi:10.1039/d0cs00025f · Cited by 1,388
Fang, S., Rahaman, M., Bharti, J., Reisner, E., Robert, M., Ozin, G. A., & Hu, Y. H. (2023) · Nature Reviews Methods Primers · doi:10.1038/s43586-023-00243-w · Cited by 834
Self-citationPrinciples of photothermal gas-phase heterogeneous CO2 catalysis
Ghoussoub, M., Xia, M., Duchesne, P. N., Segal, D., & Ozin, G. (2019) · Energy & Environmental Science · doi:10.1039/c8ee02790k · Cited by 531
Solar-Energy-Mediated Methane Conversion
Song, H., Meng, X., Wang, Z.-J., Liu, H., & Ye, J. (2019) · Joule · doi:10.1016/j.joule.2019.06.023 · Cited by 478
Metadata
- Authors
- Han, B., Wei, W., Chang, L., Cheng, P., & Hu, Y. H.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-12-21
- Volume
- 6
- Issue
- 2
- Pages
- 494-497
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2200821869
- Cited by
- 311
- References
- 0
- FWCI
- 3.52
- Type
- journal article
- Language
- en
- Open access
- closed
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- Han, B., Wei, W., Chang, L., Cheng, P., & Hu, Y. H. (2016). Efficient Visible Light Photocatalytic CO2 Reforming of CH4. ACS Catalysis. https://doi.org/10.1021/acscatal.5b02653
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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