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- Title
A squarate-pillared titanium oxide quantum sieve towards practical hydrogen isotope separation.
- Authors
Yan, Qingqing; Wang, Jing; Zhang, Linda; Liu, Jiaqi; Wahiduzzaman, Mohammad; Yan, Nana; Yu, Liang; Dupuis, Romain; Wang, Hao; Maurin, Guillaume; Hirscher, Michael; Guo, Peng; Wang, Sujing; Du, Jiangfeng
- 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. Hydrogen isotope separation is key for developing technologies. Here authors present a squarate-pillared titanium oxide quantum sieve for deuterium separation, displaying impressive separation performance, cost-effective green scalable synthesis, and stability.
- Subjects
HYDROGEN isotopes; ISOTOPE separation; TITANIUM oxides; NUCLEAR industry; SIEVES
- Publication
Nature Communications, 2023, Vol 14, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-023-39871-x