4.7 Article

Construction and multifunctional of hypercrosslinked porous organic polymers containing ferrocene unit for high-performance iodine adsorption and supercapacitor

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DOI: 10.1016/j.jtice.2023.105045

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Hypercrosslinked porous organic polymers; Friedel-crafts reaction; Ferrocene; I 2 uptake; Supercapacitors

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This study aimed to prepare Fe-Bi HPP and An-Bi HPP materials for I2 uptake and supercapacitors applications. The materials exhibited a narrow range of pore sizes and high specific surface area. The Fe-Bi HPP demonstrated superior efficiency in capturing iodine, with an impressive I2 adsorption uptake of 112.84 mg g-1.
Background: The efficient capture of iodine and the reduction of CO2 emissions has become increasingly important in recent years due to their potential threats to human health and the environment. Hypercrosslinked Porous Organic Polymers (HPPs) are considered excellent adsorbent materials for these purposes due to their high surface areas, controllable structures, and thermal/chemical stabilities. Methods: This work aimed to produce Fe-Bi HPP and An-Bi HPP materials for use in I2 uptake and supercapacitors applications. The preparation of these materials involved utilizing the Friedel-Crafts reaction of Fe-Di imidazole and An-Di imidazole with 4,4 & PRIME;-bis(chloromethyl)-1,1 & PRIME;-biphenyl (Bi-2Cl) in the presence of anhydrous FeCl3. Significant findings: These materials exhibited a narrow range of pore sizes in the micropore range and had a high specific surface area of approximately 850 m2 g-1. According to the results of the electrochemical analysis, the Fe-Bi HPP demonstrated an energy density of 21 Wh Kg-1 and capacitance of 147 F/g. The adsorption experiments demonstrated the effectiveness of both materials in capturing iodine. The Fe-Bi HPP has superior efficiency compared to the An-Bi HPP, which can be attributed to its larger surface area and the presence of the ferrocene unit. It exhibits an impressive I2 adsorption uptake of 112.84 mg g- 1.

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