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Article Dans Une Revue Nature Communications Année : 2023

A squarate-pillared titanium oxide quantum sieve towards practical hydrogen isotope separation

Qingqing Yan
  • Fonction : Auteur
Jing Wang
Linda Zhang
Nana Yan
  • Fonction : Auteur
Peng Guo
Sujing Wang
Jiangfeng Du

Résumé

Abstract Separating deuterium from hydrogen isotope mixtures is of vital importance to develop nuclear energy industry, as well as other isotope-related advanced technologies. As one of the most promising alternatives to conventional techniques for deuterium purification, kinetic quantum sieving using porous materials has shown a great potential to address this challenging objective. From the knowledge gained in this field; it becomes clear that a quantum sieve encompassing a wide range of practical features in addition to its separation performance is highly demanded to approach the industrial level. Here, the rational design of an ultra-microporous squarate pillared titanium oxide hybrid framework has been achieved, of which we report the comprehensive assessment towards practical deuterium separation. The material not only displays a good performance combining high selectivity and volumetric uptake, reversible adsorption-desorption cycles, and facile regeneration in adsorptive sieving of deuterium, but also features a cost-effective green scalable synthesis using chemical feedstock, and a good stability (thermal, chemical, mechanical and radiolytic) under various working conditions. Our findings provide an overall assessment of the material for hydrogen isotope purification and the results represent a step forward towards next generation practical materials for quantum sieving of important gas isotopes.

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Chimie
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Dates et versions

hal-04182483 , version 1 (15-11-2023)

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Qingqing Yan, Jing Wang, Linda Zhang, Jiaqi Liu, Mohammad Wahiduzzaman, et al.. A squarate-pillared titanium oxide quantum sieve towards practical hydrogen isotope separation. Nature Communications, 2023, 14 (1), pp.4189. ⟨10.1038/s41467-023-39871-x⟩. ⟨hal-04182483⟩
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