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Li-doped beryllonitrene for enhanced carbon dioxide capture
1National Graphene Research and Development Center Springfield Virginia 22151 USA xluo@ngrd.org.
RSC Advances
|May 2, 2022
Summary
Lithium doping significantly enhances beryllonitrene's ability to capture carbon dioxide (CO2). This research suggests Li-doped beryllonitrene as a promising material for CO2 capture technologies.
Area of Science:
- Materials Science
- Computational Chemistry
- Environmental Science
Background:
- Growing concerns over climate change necessitate effective carbon dioxide (CO2) capture materials.
- Beryllonitrene has been explored, but its pristine form shows weak CO2 adsorption capabilities.
Purpose of the Study:
- To investigate the CO2 adsorption properties of pristine and lithium-doped beryllonitrene using first-principle calculations.
- To evaluate the potential of beryllonitrene as a CO2 capture material and the effect of doping.
Main Methods:
- Density Functional Theory (DFT) based first-principle calculations were employed.
- Calculations focused on adsorption energies, charge density, projected density of states, and band structure.
Main Results:
- Pristine beryllonitrene exhibited very weak CO2 adsorption with an energy of -0.046 eV.
- Lithium-doped beryllonitrene showed significantly enhanced CO2 adsorption with an energy of -0.408 eV.
- CO2 adsorption on Li-doped beryllonitrene caused substantial changes in electronic properties, indicating strong binding.
Conclusions:
- Lithium doping is an effective strategy to improve the CO2 capture capacity of beryllonitrene.
- Li-doped beryllonitrene shows potential as a viable material for capturing carbon dioxide emissions.
