高度缺陷的HKUST-1具有优异的稳定性和SO2吸收量:功能化离子液体的疏水装甲效应

IF 10.7 1区工程技术 Q1 CHEMISTRY, PHYSICAL Green Energy & Environment Pub Date : 2023-10-01 DOI:10.1016/j.gee.2023.10.003

Ping Liu, Kaixing Cai, Keliang Wang, Tianxiang Zhao, Duan-Jian Tao

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引用次数: 1

摘要

水稳定性是制约金属有机骨架(MOFs)实际应用的重要因素之一。在这项工作中，我们用机械球磨法制作了一个具有高缺陷的CuI/CuII混合价态的HKUST-1框架。这个缺陷的HKUST-1被官能化离子液体修饰为疏水盔甲，使得杂化物HIL1@HKUST-1在25℃和0.1 bar条件下，即使在潮湿条件下，也表现出出色的水稳定性，出色的SO2吸附(高达5.71 mmol·g−1)和破纪录的选择性(对SO2/CO2的选择性为1070，对SO2/N2的选择性为31515)。

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Highly defective HKUST-1 with excellent stability and SO2 uptake: The hydrophobic armor effect of functionalized ionic liquids

Water stability is one of the most important factors restricting the practical application of metal organic frameworks (MOFs). In this work, we fabricate a highly defective HKUST-1 framework with a mixed valence of CuI/CuII by mechanical ball milling method. This defective HKUST-1 is embellished by functionalized ionic liquids as hydrophobic armor, making the hybrid HIL1@HKUST-1 exhibits outstanding water stability, remarkable SO2 adsorption (up to 5.71 mmol·g−1), and record-breaking selectivity (1070 for SO2/CO2 and 31515 for SO2/N2) at 25oC and 0.1 bar, even in wet conditions.

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来源期刊

Green Energy & Environment Energy-Renewable Energy, Sustainability and the Environment

CiteScore

16.80

自引率

3.80%

发文量

332

审稿时长

12 days

期刊介绍： Green Energy & Environment (GEE) is an internationally recognized journal that undergoes a rigorous peer-review process. It focuses on interdisciplinary research related to green energy and the environment, covering a wide range of topics including biofuel and bioenergy, energy storage and networks, catalysis for sustainable processes, and materials for energy and the environment. GEE has a broad scope and encourages the submission of original and innovative research in both fundamental and engineering fields. Additionally, GEE serves as a platform for discussions, summaries, reviews, and previews of the impact of green energy on the eco-environment.