Trends of CO2 adsorption on cellulose due to van der Waals forces

• We explore the Casimir–Polder interactions of a CO2 molecule near interfaces.
• A potential mechanism of capture and storage of CO2 molecules in a three-layered cellulose–water–vapor system is proposed.
• The vdW binding energies of CO2 molecule in water towards different surfaces are provided.
• The attraction or repulsion of the CO2 molecule depends on the surface material.

The non-retarded van der Waals and Casimir–Polder forces on a CO2 molecule in water near a single surface and between surfaces are explored. We observe preferential adsorption and desorption of CO2 molecules depending on the material of the surfaces. We also find a potential mechanism of capture and storage of CO2 molecules in a geometry consisting of a cellulose surface coated by a thin film of water and then by air.

Figure optionsDownload as PowerPoint slide