Oxide polygonal prism nanocages for trapping of gases

An activated physisorption mechanism that uses 2D (alumino)silicate films in the form of hexagonal prism nanocages to trap noble gasesRSS.HDBackground> Background: <The nanoscale confinement of noble gases at noncryogenic temperatures is crucial for many applications including noble gas separations, nuclear waste remediation, and the removal of radon. However, this process is extremely difficult primarily due to the weak trapping forces of the host matrices upon noble gas physisorption. Thus, the trapping and separation of noble gases, the most unreactive elements in the periodic table, at noncryogenic conditions is an industrially relevant challenge for energy, environment, and health applications. Technology Overview: Researchers at Stony Brook University demonstrate an activated physisorption mechanism that traps noble gas atoms with 2D (alumino)silicate nanocages. The ultrathin hexagonal prism nanoporous frameworks allow noble gas atoms to enter the nanocages in the form of cations with a significantly reduced trapping energy barrier and exit as neutral atoms with an ultra high desorption energy barrier. The mechanism demonstrates that a mixture of noble gases (Ar, Kr and Xe) can be trapped at room temperature and then separated by exploiting the notable differences in their thermal stabilities and releasing them at higher temperatures. These 2D materials are promising candidates for a variety of applications in noble gas storage and separation, with important implications in health and the environment. Advantages: Low‑cost – Noncryogenic conditions – Non‑destructive, allowing the trapping and release processes to be reversible – Noble gas selectivity through thermal stability exploitation – Ultrahigh desorption energy Applications: Noble gas separation – Toxic gas absorption – Nuclear waste remediation – Removal of radon Intellectual Property Summary: Patent application submitted Stage of Development: US20210178323A1 Licensing Potential: Development partner – Commercial partner – Licensing Licensing Status: Additional Information: absorption, aluminosilicate, atomic trapping, cation, desorption, environmental toxin remediation, gas separation, gas storage, nanoporous, noble gas, nuclear waste, nuclear waste encapsulation, prism, radon, remediation, silicate, temperature programmed desorption, thermal stability, toxic gas, toxic waste treatment, toxin remediation, traphttps://img.in-part.com/thumbnail?width=920&height=&stripmeta=true&quality=95&type=jpeg&background=255,255,255&url=https://s3-eu-west-1.amazonaws.com/assets.in-part.com/K4fcHOxMRQ2e94reGPXJ_AdobeStock_217423637.jpegСтанислав Чуб, https://stock.adobe.com/uk/217423637, stock.adobe.com



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