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. 2017 Jun 21;8:27. doi: 10.1038/s41467-017-00055-z

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Light-driven vs. thermal-driven activity characterization for rWGS. a Spatial temperature mapping of the catalysts surface during illumination of Al NCs/γ-Al₂O₃ in air under visible light intensity of 10 W cm⁻². b Steady-state temperature monitoring for oxide supported plasmonic nanoparticles compared to pure oxide support with and without irradiation in air. c Typical gas chromatogram of the chamber output during light (7 W cm⁻²) and thermal driven (350 °C) rWGS on Al@Cu₂O. d The overall rate of products formation as a function of applied temperature in purely thermal-driven (light off) rWGS for oxide supported Al NCs and Al@Cu₂O (unfilled data points). For comparison, the reaction rates during the light-induced process (10 W cm⁻²) are shown at the corresponding recorded temperatures for oxide supported Al NCs and Al@Cu₂O (filled data points)