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. 2021 Jul 13;12:4276. doi: 10.1038/s41467-021-24647-y

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© The Author(s) 2021

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 — a Time profiles of photocatalytic CO (star) and H₂ (pentagon) formation with IrQPY/CoPc (red) or IrBPY/CoPc (blue) system. b QEs for CO and H₂ formation from IrQPY/CoPc (red) and IrBPY/CoPc (blue) systems. c Time profiles of photocatalytic CO (star) and H₂ (pentagon) formation from IrQPY/CoPc (red) system. After 4 h, fresh CoPc (0.4 µmol, orange), IrQPY (0.4 µmol, green), or BIH (32 µmol, blue) was dispersed in 0.5 mL CO₂-saturated CH₃CN and injected into the solution, respectively. d Photocatalytic CO (violet) and H₂ (orange) yield with IrQPY/CoPc and varying volumes of H₂O, and corresponding CO% are shown (blue circle). e QEs for CO (violet) and H₂ (orange) formation from IrQPY/CoPc, IrBPY/CoPc IrQPY/CoTAPc, and IrBPY/CoTAPc systems with 150 mM BIH and 425 nm light within 30 min. f CVs of CoPc (orange) and CoTAPc (violet) under N₂. The error bars in the plots represent the standard deviations of three independent measurements.