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- Title
A Comprehensive DFT Investigation of the Adsorption of Polycyclic Aromatic Hydrocarbons onto Graphene.
- Authors
Mehmeti, Valbonë; Sadiku, Makfire
- Abstract
To better understand graphene and its interactions with polycyclic aromatic hydrocarbons (PAHs), density-functional-theory (DFT) computations were used. Adsorption energy is likely to rise with the number of aromatic rings in the adsorbates. The DFT results revealed that the distance between the PAH molecules adsorbed onto the G ranged between 2.47 and 3.98 Å depending on the structure of PAH molecule. The Non-Covalent Interactions (NCI) plot supports the concept that van der Waals interactions were involved in PAH adsorption onto the Graphene (G) structure. Based on the DFT-calculated adsorption energy data, a rapid and reliable method employing an empirical model of a quantitative structure–activity relationship (QSAR) was created and validated for estimating the adsorption energies of PAH molecules onto graphene.
- Subjects
GRAPHENE; STRUCTURE-activity relationships; ADSORPTION (Chemistry); POLYCYCLIC aromatic hydrocarbons; ADSORBATES
- Publication
Computation, 2022, Vol 10, Issue 5, p68
- ISSN
2079-3197
- Publication type
Article
- DOI
10.3390/computation10050068