Artificial cellulosic leaf with adjustable enzymatic CO2 sequestration capability

Xing Zhu (), Chenxi Du, Bo Gao and Bin He ()
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Xing Zhu: Shaanxi University of Science & Technology
Chenxi Du: Shaanxi University of Science & Technology
Bo Gao: Northwest University
Bin He: Shaanxi University of Science & Technology

Nature Communications, 2024, vol. 15, issue 1, 1-12

Abstract: Abstract Developing artificial leaves to address the environmental burden of CO2 is pivotal for advancing our Net Zero Future. In this study, we introduce EcoLeaf, an artificial leaf that closely mimics the characteristics of natural leaves. It harnesses visible light as its sole energy source and orchestrates the controlled expansion and contraction of stomata and the exchange of petiole materials to govern the rate of CO2 sequestration from the atmosphere. Furthermore, EcoLeaf has a cellulose composition and mechanical strength similar to those of natural leaves, allowing it to seamlessly integrate into the ecosystem during use and participate in natural degradation and nutrient cycling processes at the end of its life. We propose that the carbon sequestration pathway within EcoLeaf is adaptable and can serve as a versatile biomimetic platform for diverse biogenic carbon sequestration pathways in the future.

Date: 2024
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DOI: 10.1038/s41467-024-49320-y

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