Double-Walled Honeycomb-Like Metal-Organophosphonium Framework with High H2 Gas Adsorption Capacities

IF 2.2 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR European Journal of Inorganic Chemistry Pub Date : 2024-09-03 DOI:10.1002/ejic.202400430

Sa-Sa Xia, Lan Li, Chen-Hao Bao, Xu-Sheng Wang, Zhi Chen

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Abstract

This study successfully synthesized a new Metal-Organic Framework (MOF) named CJLU−L2, which was constructed from phosphorus-containing ligands and Co(II) ions. The structure revealed through single-crystal X-ray diffraction (SCXRD), features a double-walled honeycomb-shaped structure with a one-dimensional channel of ~6.5 Å. According to the PLATON calculation, the pore volume per unit cell of CJLU−L2 was determined to be 6825.0 Å³, constituting 57.5 % of the total crystal volume (11874.9 Å³). The Brunauer-Emmett-Teller (BET) surface area of CJLU−L2 was determined to be 954 m²/g by N₂ adsorption measurement at 77 K. The phase purity of CJLU−L2 was verified by powder X-ray diffraction (PXRD) and infrared spectroscopy (IR), while its thermal stability was confirmed by thermogravimetric analysis (TGA). Hydrogen adsorption experiments demonstrate that CJLU−L2 exhibits a high hydrogen adsorption capacity, indicating significant potential for gas adsorption applications.

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具有高 H2 气体吸附能力的双壁蜂窝状金属有机膦框架

本研究成功合成了一种新型金属有机框架（MOF），命名为 CJLU-L2，由含磷配体和 Co(II) 离子构建而成。根据 PLATON 计算，CJLU-L2 的单位晶胞孔体积为 6825.0 Å3，占总晶体体积（11874.9 Å³）的 57.5%。粉末 X 射线衍射（PXRD）和红外光谱（IR）验证了 CJLU-L2 的相纯度，热重分析（TGA）确认了其热稳定性。氢气吸附实验表明，CJLU-L2 具有很高的氢气吸附能力，这表明它在气体吸附方面具有很大的应用潜力。

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来源期刊

European Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

4.30

自引率

4.30%

发文量

419

审稿时长

1.3 months

期刊介绍： The European Journal of Inorganic Chemistry (2019 ISI Impact Factor: 2.529) publishes Full Papers, Communications, and Minireviews from the entire spectrum of inorganic, organometallic, bioinorganic, and solid-state chemistry. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies. The following journals have been merged to form the two leading journals, European Journal of Inorganic Chemistry and European Journal of Organic Chemistry: Chemische Berichte Bulletin des Sociétés Chimiques Belges Bulletin de la Société Chimique de France Gazzetta Chimica Italiana Recueil des Travaux Chimiques des Pays-Bas Anales de Química Chimika Chronika Revista Portuguesa de Química ACH—Models in Chemistry Polish Journal of Chemistry The European Journal of Inorganic Chemistry continues to keep you up-to-date with important inorganic chemistry research results.