Molecular Engineering for Organic Cage Frameworks with Fixed Pore Size to Tune Their Porous Properties and Improve CO2 Capture
Source abstract
Abstract
Organic cage frameworks (OCFs), one kind of amorphous porous organic polymers with fixed pore size, exhibit great potential in molecular separations and sensing. However, it is a great challenge to control the porous properties of OCFs because of the low yielding for synthesizing the highly stable organic cage monomers. Herein, two organic cage frameworks (OCFs) pCage-1 and pCage-2 were constructed from bicyclooxacalixarene cages Cage-1 and Cage-2, respectively. The pore sizes of both the frameworks pCage-1 and pCage-2 were 5.4 Å because their monomers Cage-1 and Cage-2 have similar intrinsic cavities. Compared with the framework pCage-1, pCage-2 shows significant improvement in porous properties, including the Brunauer–Emmett–Teller (BET) surface area, CO2 adsorption capacity, and adsorption selectivity of CO2/N2, which may be the reason for the introduction of N-doped triazine unit.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Covalent Organic Framework Applications · Luminescence and Fluorescent Materials · Metal-Organic Frameworks: Synthesis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Life Science and Technology, National Engineering Research Center for Nanomedicine, Huazhong University of Science and Technology, Wuhan 430074, China
School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Funding
China Postdoctoral Science Foundation · Ministry of Human Resources and Social Security · National Natural Science Foundation of China
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