The development of reaction kinetics for CO2 absorption into novel solvent systems: Frustrated Lewis pairs (FLPs)

Orhan, Özge Yüksel; Cihan, Neslisah; Şahin, Volkan; Karabakan, Abdülkerim; Alper, Erdoğan

doi:10.1016/j.seppur.2020.117450

Cited by 3 publications

(2 citation statements)

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“…In previous works, it has been shown that carbon dioxide is able to form complexes with phosphines, 8 − 11 sulfur dioxide, 12 pyridine derivatives, 13 − 15 imidazole, 16 − 18 and other heterocycles. 19 , 20 It has also been proved that CO 2 can form adducts with carbenes 21 − 27 and frustrated Lewis pairs (FLPs), 28 − 33 some of them including silicon and germanium as Lewis acid centers. 34 − 36 …”

Section: Introductionmentioning

confidence: 99%

“…The main goal here is to find a compound that is able to change the electronic distribution of CO 2 to make this very stable compound a little more reactive. In previous works, it has been shown that carbon dioxide is able to form complexes with phosphines, − sulfur dioxide, pyridine derivatives, − imidazole, − and other heterocycles. , It has also been proved that CO 2 can form adducts with carbenes − and frustrated Lewis pairs (FLPs), − some of them including silicon and germanium as Lewis acid centers. − …”

Section: Introductionmentioning

confidence: 99%

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Sequestration of Carbon Dioxide with Frustrated Lewis Pairs Based on N-Heterocycles with Silane/Germane Groups

et al. 2021

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Frustrated Lewis pairs (FLPs) based on nitrogen heterocycles (pyridine, pyrazole, and imidazole) with a silane or germane group in the α-position of a nitrogen atom have been considered as potential molecules to sequestrate carbon dioxide. Three stationary points have been characterized in the reaction profile: a pre-reactive complex, an adduct minimum, and the transition state connecting them. The effect of external (solvent) or internal (hydroxyl group) electric fields in the reaction profile has been considered. In both cases, it is possible to improve the kinetics and thermodynamics of the complexation of CO 2 by the FLP and favor the formation of adducts.

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