Temperature-Dependent Separation of CO from Light Hydrocarbons in a Porous Self-Assembly of Vertexes Sharing Octahedra

Overview

Journal Adv Sci (Weinh)

Specialty Biomedical Engineering

Date 2024 Feb 2

PMID 38308108

Authors

Shun Li

Qing Li

Ting Chen

Zhen-Yu Ji

Guo-Ling Li

Ming-Yan Wu

Li-Yi Meng

Zi-Ang Nan

Wei Wang

Zhu Zhuo

Fengru Fan

You-Gui Huang

Affiliations

Soon will be listed here.

Abstract

Design of flexible porous materials where the diffusion of guest molecules is regulated by the dynamics of contracted pore aperture is challenging. Here, a flexible porous self-assembly consisting of 1D channels with dynamic bottleneck gates is reported. The dynamic pendant naphthimidazolylmethyl moieties at the channel necks provide kinetic gate function, that enables unusual adsorption for light hydrocarbons. The adsorption for CO is mainly dominated by thermodynamics with the uptakes decreasing with increasing temperature, whereas the adsorptions for larger hydrocarbons are controlled by both thermodynamics and kinetics resulting in an uptake maximum at a temperature threshold. Such an unusual adsorption enables temperature-dependent separation of CO from the corresponding hydrocarbons.

Citing Articles

Temperature-Dependent Separation of CO from Light Hydrocarbons in a Porous Self-Assembly of Vertexes Sharing Octahedra.

Li S, Li Q, Chen T, Ji Z, Li G, Wu M Adv Sci (Weinh). 2024; 11(14):e2308028.

PMID: 38308108 PMC: 11005747. DOI: 10.1002/advs.202308028.

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