Related Experiment Video
Updated: Jul 21, 2025

Versatile CO2 Transformations into Complex Products: A One-pot Two-step Strategy
Published on: November 9, 2019
CO2 complexation with cyclodextrins
Cecilie Høgfeldt Jessen1, Jesper Bendix1, Theis Brock Nannestad1
1Department of Chemistry & Niels Bohr Institute, University of Copenhagen, 2100 København Ø, Denmark.
Abstract:
Carbon dioxide (CO2) emissions from industrial processes, power generation, and transportation contribute significantly to global warming and climate change. Carbon capture and storage (CCS) technologies are essential to reduce these emissions and mitigate the effects of climate change. Cyclodextrins (CDs), cyclic oligosaccharides, are studied as potential CO2 capture agents due to their unique molecular structures and high selectivity towards CO2. In this paper we have investigated binding efficiency of a number of cyclodextrins towards CO2. It is found that the crystal structure of α-cyclodextrin with CO2 has a 1:1 stoichioimetry and that a number of simple and modified cyclodextrins bind CO2 in water with a Kg of 0.18-1.2 bar-1 (7-35 M-1) with per-O-methyl α-cyclodextrin having the highest CO2 affinity.
More Related Videos
Related Concept Videos
Complexation Equilibria: The Chelate Effect
Formation of Complex Ions
Carbon Dioxide Transport in the Blood
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
Intramolecular Claisen Condensation of Dicarboxylic Esters: Dieckmann Cyclization
Complexation Equilibria: Overview
The equilibrium constant of the complexation reaction is represented as the formation constant...
Complexometric Titration: Ligands

