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A porous metal-organic cage liquid for sustainable CO2 conversion reactions.

ABSTRACT: Porous liquids are fluids with the permanent porosity, which can overcome the poor gas solubility limitations of conventional porous solid materials for three phase gas-liquid-solid reactions. However, preparation of porous liquids still requires the complicated and tedious use of porous hosts and bulky liquids. Herein, we develop a facile method to produce a porous metal-organic cage (MOC) liquid (Im-PL-Cage) by self-assembly of long polyethylene glycol (PEG)-imidazolium chain functional linkers, calixarene molecules and Zn ions. The Im-PL-Cage in neat liquid has permanent porosity and fluidity, endowing it with a high capacity of CO2 adsorption. Thus, the CO2 stored in an Im-PL-Cage can be efficiently converted to the value-added formylation product in the atmosphere, which far exceeds the porous MOC solid and nonporous PEG-imidazolium counterparts. This work offers a new method to prepare neat porous liquids for catalytic transformation of adsorbed gas molecules.

SUBMITTER: He C 

PROVIDER: S-EPMC10247695 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature

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A porous metal-organic cage liquid for sustainable CO<sub>2</sub> conversion reactions.

He Chang C   Zou Yu-Huang YH   Si Duan-Hui DH   Chen Zi-Ao ZA   Liu Tian-Fu TF   Cao Rong R   Huang Yuan-Biao YB  

Nature communications 20230607 1

Porous liquids are fluids with the permanent porosity, which can overcome the poor gas solubility limitations of conventional porous solid materials for three phase gas-liquid-solid reactions. However, preparation of porous liquids still requires the complicated and tedious use of porous hosts and bulky liquids. Herein, we develop a facile method to produce a porous metal-organic cage (MOC) liquid (Im-PL-Cage) by self-assembly of long polyethylene glycol (PEG)-imidazolium chain functional linker  ...[more]

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