Radiation-induced synthesis of Zn and Cd 1H-tetrazole-based energetic MOFs

IF 2.8 3区物理与天体物理 Q3 CHEMISTRY, PHYSICAL Radiation Physics and Chemistry Pub Date : 2025-02-24 DOI:10.1016/j.radphyschem.2025.112645

Evgeny V. Abkhalimov, Alexander A. Voronov, Mikhail A. Volkov, Anastasiia V. Sitanskaia, Iurii M. Nevolin

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Abstract

The radiation-chemical method for the synthesis of energetic metal-organic frameworks (eMOFs) based on zinc and cadmium tetrazolates was initially successfully applied. In both instances, the irradiation of doses of 100, 200, and 500 kGy resulted in the formation of a crystalline powder. The obtained compounds were characterized by XRD, FTIR, EDX and SEM in order to determine their structure and composition. The irradiation of solutions containing zinc and cadmium resulted in the formation of Zn₅Tz₉ClO₄·6H₂O and Cd₅Tz₉ClO₄·6H₂O in 100% DMF and pure water, respectively. The second phase, which has the structure ZnTz₂ and CdTz₂, is formed in the mixtures of DMF-water. It was determined that the solvent composition exerts a significant influence on the degree of crystallinity and the yield of the product. In the case of Zn-eMOF, the degree of crystallinity was observed to decrease with an increase of DMF: water ratio in the solvent. However, no such regularity was noted for Cd-eMOF. Only for 100% aqueous solution a crystalline phase was observed.

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辐射诱导合成Zn和Cd h -四唑基高能mof

初步成功地应用了辐射化学方法合成四氮酸锌和镉基含能金属有机骨架（eMOFs）。在这两种情况下，100、200和500千戈瑞剂量的辐照都导致结晶粉末的形成。通过XRD、FTIR、EDX和SEM等手段对所得化合物进行了表征，确定了化合物的结构和组成。在含锌溶液和镉溶液的照射下，Zn5Tz9ClO4·6H2O和Cd5Tz9ClO4·6H2O分别在100% DMF和纯水中生成。第二相在dmf -水的混合物中形成，结构为ZnTz2和CdTz2。结果表明，溶剂组成对产物的结晶度和收率有显著影响。对于Zn-eMOF，随着溶剂中DMF：水比的增加，结晶度降低。然而，Cd-eMOF没有发现这种规律。只有在100%水溶液中才观察到结晶相。

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来源期刊

Radiation Physics and Chemistry 化学-核科学技术

CiteScore

5.60

自引率

17.20%

发文量

574

审稿时长

12 weeks

期刊介绍： Radiation Physics and Chemistry is a multidisciplinary journal that provides a medium for publication of substantial and original papers, reviews, and short communications which focus on research and developments involving ionizing radiation in radiation physics, radiation chemistry and radiation processing. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. This could include papers that are very similar to previous publications, only with changed target substrates, employed materials, analyzed sites and experimental methods, report results without presenting new insights and/or hypothesis testing, or do not focus on the radiation effects.