The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Plasmon-Enhanced Catalysis: Distinguishing Thermal and Nonthermal Effects
Abstract
In plasmon-enhanced heterogeneous catalysis, illumination accelerates reaction rates by generating hot carriers and hot surfaces in the constituent nanostructured metals. In order to understand how photogenerated carriers enhance the nonthermal reaction rate, the effects of photothermal heating and thermal gradients in the catalyst bed must be confidently and quantitatively characterized. This is a challenging task considering the conflating effects of light absorption, heat transport, and reaction energetics. Here, we introduce a methodology to distinguish the thermal and nonthermal contributions from plasmon-enhanced catalysts, demonstrated by illuminated rhodium nanoparticles on oxide supports to catalyze the CO 2 methanation reaction. By simultaneously measuring the total reaction rate and the temperature gradient of the catalyst bed, the effective thermal reaction rate may be extracted. The residual nonthermal rate of the plasmon-enhanced reaction is found to grow with a superlinear dependence on illumination intensity, and its apparent quantum efficiency reaches ∼46% on a Rh/TiO 2 catalyst at a surface temperature of 350 °C. Heat and light are shown to work synergistically in these reactions: the higher the temperature, the higher the overall nonthermal efficiency in plasmon-enhanced catalysis.
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Luo, S., Ren, X., Lin, H., Song, H., & Ye, J. (2021) · Chemical Science · doi:10.1039/d1sc00064k · Cited by 298
Mao, C., Li, H., Gu, H., Wang, J., Zou, Y., Qi, G., Xu, J., Deng, F., Shen, W., Li, J., et al. (2019) · Chem · doi:10.1016/j.chempr.2019.07.021 · Cited by 180
Metadata
- Authors
- Zhang, X., Li, X., Reish, M. E., Zhang, D., Su, N. Q., Gutiérrez, Y., Moreno, F., Yang, W., Everitt, H. O., & Liu, J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-02-13
- Volume
- 18
- Issue
- 3
- Pages
- 1714-1723
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2786074878
- Cited by
- 357
- References
- 35
- FWCI
- 9.05
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhang, X., Li, X., Reish, M. E., Zhang, D., Su, N. Q., Gutiérrez, Y., Moreno, F., Yang, W., Everitt, H. O., & Liu, J. (2018). Plasmon-Enhanced Catalysis: Distinguishing Thermal and Nonthermal Effects. Nano Letters. https://doi.org/10.1021/acs.nanolett.7b04776
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