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Diffusion-programmed catalysis in nanoporous material

Author

Listed:
  • Suvendu Panda

    (Tata Institute of Fundamental Research Hyderabad)

  • Tanmoy Maity

    (Tata Institute of Fundamental Research Hyderabad
    Haldia)

  • Susmita Sarkar

    (Tata Institute of Fundamental Research Hyderabad)

  • Arun Kumar Manna

    (Tata Institute of Fundamental Research Hyderabad)

  • Jagannath Mondal

    (Tata Institute of Fundamental Research Hyderabad)

  • Ritesh Haldar

    (Tata Institute of Fundamental Research Hyderabad)

Abstract

In the realm of heterogeneous catalysis, the diffusion of reactants into catalytically active sites stands as a pivotal determinant influencing both turnover frequency and geometric selectivity in product formation. While accelerated diffusion of reactants can elevate reaction rates, it often entails a compromise in geometric selectivity. Porous catalysts, including metal-organic and covalent organic frameworks, confront formidable obstacles in regulating reactant diffusion rates. Consequently, the chemical functionality of the catalysts typically governs turnover frequency and geometric selectivity. This study presents an approach harnessing diffusion length to achieve improved selectivity and manipulation of reactant-active site residence time at active sites to augment reaction kinetics. Through the deployment of a thin film composed of a porous metal-organic framework catalyst, we illustrate how programming reactant diffusion within a cross-flow microfluidic catalytic reactor can concurrently amplify turnover frequency (exceeding 1000-fold) and enhance geometric selectivity ( ~ 2-fold) relative to conventional nano/microcrystals of catalyst in one-pot reactor. This diffusion-programed strategy represents a robust solution to surmount the constraints imposed by bulk nano/microcrystals of catalysts, marking advancement in the design of porous catalyst-driven organic reactions.

Suggested Citation

  • Suvendu Panda & Tanmoy Maity & Susmita Sarkar & Arun Kumar Manna & Jagannath Mondal & Ritesh Haldar, 2025. "Diffusion-programmed catalysis in nanoporous material," Nature Communications, Nature, vol. 16(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-56575-6
    DOI: 10.1038/s41467-025-56575-6
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    References listed on IDEAS

    as
    1. Yu Liang & Xiaoxin Yang & Xiaoyu Wang & Zong-Jie Guan & Hang Xing & Yu Fang, 2023. "A cage-on-MOF strategy to coordinatively functionalize mesoporous MOFs for manipulating selectivity in adsorption and catalysis," Nature Communications, Nature, vol. 14(1), pages 1-14, December.
    2. Shan Dai & Charlotte Simms & Gilles Patriarche & Marco Daturi & Antoine Tissot & Tatjana N. Parac-Vogt & Christian Serre, 2024. "Highly defective ultra-small tetravalent MOF nanocrystals," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Sheng Zhou & Osama Shekhah & Jiangtao Jia & Justyna Czaban-Jóźwiak & Prashant M. Bhatt & Adrian Ramírez & Jorge Gascon & Mohamed Eddaoudi, 2021. "Electrochemical synthesis of continuous metal–organic framework membranes for separation of hydrocarbons," Nature Energy, Nature, vol. 6(9), pages 882-891, September.
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