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Photochemistry

Light-driven direct air capture of CO2

Nature Chemistry volume 17, pages 1630–1631 (2025)Cite this article

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The high energetic demand of direct air capture of CO2 challenges its large-scale, industrial application. Now, the use of a photo-base allows for reversible capture of atmospheric CO2 driven by sunlight-induced pH swings.

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Fig. 1: Capture–release cycle of photo-base.

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Authors and Affiliations

  1. Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, CA, USA

    Benjamin A. Baker & Grace G. D. Han

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  1. Benjamin A. Baker
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  2. Grace G. D. Han
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Correspondence to Grace G. D. Han.

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The authors declare no competing interests.

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Baker, B.A., Han, G.G.D. Light-driven direct air capture of CO2. Nat. Chem. 17, 1630–1631 (2025). https://doi.org/10.1038/s41557-025-01972-z

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