Coordination environment regulated Li-COFs for efficient CO2 capture and separation over N2 and CH4

Zhang, Huili; Wang, Zhaojie; Li, Wenchuan; Zhang, Ling; Wan, Lin; Wang, Maohuai; Liu, Siyuan; Wei, Shuxian; Lu, Xiaoqing

doi:10.1016/j.apsusc.2024.161368

Applied Surface Science

2025

DOI: 10.1016/j.apsusc.2024.161368

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Coordination environment regulated Li-COFs for efficient CO2 capture and separation over N2 and CH4

Huili Zhang,

Zhaojie Wang,

Wenchuan Li

et al.

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Rational Fabrication of Polyhedral Oligomeric Silsesquioxane-Based Porous Organic Polymers Sustainably Used for Selective CO2 Adsorption

Li,

Kang,

Liu

et al. 2024

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Different types of porous materials have been developed for the efficient separation of CO2 from mixtures of gases. Nevertheless, the most porous materials cannot be used for extensive industrial applications due to their non-negligible disadvantages, such as complex synthesis routes, expensive monomers, and/or costly catalysts. Therefore, a strategy for fabricating a series of polyhedral oligomeric silsesquioxane (POSS)-based porous organic polymer materials (PBPOPs) was developed through the simple condensation reaction of octaphenylsilsesquioxane and different bromine-containing monomers. It was found that PBPOP-2 exhibits the best CO2 adsorption amount of 41 cm3·g−1 at 273 K and 760 mmHg based on the accessible specific surface area, large pore volumes, and accessible pore sizes. Furthermore, PBPOP-2 exhibits efficient CO2/N2 selectivity and complete regeneration under mild conditions, which demonstrates the potential for the selective separation of CO2 from gas mixtures. This work provides a new route to developing POSS-based POPs for CO2-capture applications.

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Rational Fabrication of Polyhedral Oligomeric Silsesquioxane-Based Porous Organic Polymers Sustainably Used for Selective CO2 Adsorption

Li,

Kang,

Liu

et al. 2024

Processes

View full text Add to dashboard Cite

show abstract

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Coordination environment regulated Li-COFs for efficient CO2 capture and separation over N2 and CH4

Cited by 1 publication

References 66 publications

Rational Fabrication of Polyhedral Oligomeric Silsesquioxane-Based Porous Organic Polymers Sustainably Used for Selective CO2 Adsorption

Rational Fabrication of Polyhedral Oligomeric Silsesquioxane-Based Porous Organic Polymers Sustainably Used for Selective CO2 Adsorption

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