从 Fe2O3 纳米颗粒轻松合成铁基金属有机框架及其在 CO2/N2 分离中的应用。

IF 2.6 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Beilstein Journal of Nanotechnology Pub Date : 2024-07-19 eCollection Date: 2024-01-01 DOI:10.3762/bjnano.15.74

Van Nhieu Le, Hoai Duc Tran, Minh Tien Nguyen, Hai Bang Truong, Toan Minh Pham, Jinsoo Kim

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引用次数: 0

摘要

研究人员采用了一种简便的方法，在不存在 HF 和 HNO3 的情况下，通过传统的水热反应从 Fe2O3 纳米颗粒制备出 MIL-100(Fe)材料。研究了反应体系中三酸含量对制备的 MIL-100(Fe)样品的质量和 CO2/N2 分离性能的影响。在反应体系中使用 1.80 克三聚氰酸可得到 M-100Fe@Fe2O3#1.80 样品，这被证明是最佳样品。这一选择在所需的三羟甲基氨基甲酸量和所得材料的质量之间取得了平衡，从而获得了 81% 的高产率和 1365.4 m2-g-1 的惊人 BET 表面积。在 25 °C 和 1 bar 条件下，M-100Fe@Fe2O3#1.80 的二氧化碳吸附容量为 1.10 mmol-g-1，IAST 预测的 CO2/N2 选择性为 18，在 CO2/N2 分离方面优于传统吸附剂。重要的是，这条路线为利用钢铁工业产生的以 Fe2O3 为基础的废料制造以 Fe 为基础的 MIL-100 材料开辟了一条新途径。

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Facile synthesis of Fe-based metal-organic frameworks from Fe₂O₃ nanoparticles and their application for CO₂/N₂ separation.

A facile approach was employed to fabricate MIL-100(Fe) materials from Fe₂O₃ nanoparticles through a conventional hydrothermal reaction without the presence of HF and HNO₃. Effects of trimesic acid content in the reaction system on the quality and CO₂/N₂ separation performance of the as-prepared MIL-100(Fe) samples were investigated. Using 1.80 g of trimesic acid in the reaction system yielded the sample M-100Fe@Fe₂O₃#1.80, which proved to be the optimal sample. This choice struck a balance between the amount of required trimesic acid and the quality of the resulting material, resulting in a high yield of 81% and an impressive BET surface area of 1365.4 m²·g^-1. At 25 °C and 1 bar, M-100Fe@Fe₂O₃#1.80 showed a CO₂ adsorption capacity of 1.10 mmol·g^-1 and an IAST-predicted CO₂/N₂ selectivity of 18, outperforming conventional adsorbents in CO₂/N₂ separation. Importantly, this route opens a new approach to utilizing Fe₂O₃-based waste materials from the iron and steel industry in manufacturing Fe-based MIL-100 materials.

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来源期刊

Beilstein Journal of Nanotechnology NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.70

自引率

3.20%

发文量

109

审稿时长

2 months

期刊介绍： The Beilstein Journal of Nanotechnology is an international, peer-reviewed, Open Access journal. It provides a unique platform for rapid publication without any charges (free for author and reader) – Platinum Open Access. The content is freely accessible 365 days a year to any user worldwide. Articles are available online immediately upon publication and are publicly archived in all major repositories. In addition, it provides a platform for publishing thematic issues (theme-based collections of articles) on topical issues in nanoscience and nanotechnology. The journal is published and completely funded by the Beilstein-Institut, a non-profit foundation located in Frankfurt am Main, Germany. The editor-in-chief is Professor Thomas Schimmel – Karlsruhe Institute of Technology. He is supported by more than 20 associate editors who are responsible for a particular subject area within the scope of the journal.