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Enabling Ultrahigh Surface Area of Covalently‐linked Organic Framework for Boosted CO2 Capture: An Air Liquid Interfacial Plasma as Post‐furnishing Protocol

The underlining features of the presented work focuses on development of a covalently-linked organic framework (COF) following a simple time-competent hydrothermal procedure. Successively, a facile, economical and scalable post-modification approach, i. e., air liquid interfacial plasma (ALIP) induced protocol is adopted to explicitly amplifies the surface area to a higher value of 2051 m2/g which concurrently advances the CO2 uptake performance up to 67 %.


Abstract

The cognitive intent of a highly ordered and robust adsorbent is extremely sensible and, in this context, Covalent Organic Framework (COF) materials have significantly burgeoned their scope in diverse applications. Herein, a simple time-competent hydrothermal procedure is presented to construct a covalent framework with an ultrahigh surface area of 1428 m2/g that shows active adsorption of carbon dioxide (CO2) at variable temperature ranges. Moreover, a facile scalably controlled post-synthetic air liquid interfacial plasma (ALIP) induced protocol is substantiated that explicitly amplifies the surface area of the pristine framework even to a higher value of 2051 m2/g. The post-synthetic plasma approach presented here led to the rapid enhancement of the surface area of the pristine COF by 43 %, which concurrently advances the CO2 uptake up to 67 %. Hence, the current study may open up a new frontier in the design as well as fine-tune the properties of the covalent framework that unfolds the advanced outlook in addressing the challenges of CO2 capture.

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