- Collection:
- Atlanta University and Clark Atlanta University Theses and Dissertations
- Title:
- DFT study of the covalent functionalization of double nitrogen doped graphene, 2017
- Creator:
- Alhabradi, Thuraya Faleh
- Date of Original:
- 2010/2019
- Subject:
- Degrees, Academic
Dissertations, Academic - Location:
- United States, Georgia, Fulton County, Atlanta, 33.749, -84.38798
- Medium:
- theses
dissertations - Type:
- Text
- Format:
- application/pdf
- Description:
- Covalent functionalization significantly enhances the utility of carbon nanomaterials for many applications. In this study, we investigated the functionalization of double nitrogen doped graphene by the addition of different alkyl and phenyl functional groups at N atoms in syn and anti-configurations. Density functional theory calculations at the B3LYP/def-SV(P) level were employed to understand the syn versus anti preference on functionalization. The bond lengths, bond angles, relative energies, deformation energies and HOMO-LUMO energy gaps, of the syn and anti-configurations of the functionalized 2N-doped graphenes, have been compared. Functionalization with two groups leads to considerable deformation of 2N-doped graphene, which is confirmed by the change in CN bond lengths by attachment of the functional groups. The attachment of larger functional groups deforms 2N-doped graphene to a greater extent than smaller functional groups. The HOMO-LUMO energy gap values are the least for the alkyl functionalized products, indicating that these structures are kinetically less stable than the phenyl functionalized products. KEY TERMS: Graphene, N-Doped Graphene, Density Functional Theory (DFT), B3LYP Functional, def-SV(P), Covalent Functionalization of Graphene, Physical Chemistry
Date of award: 12/15/2017
Degree type: thesis
Degree name: Master of Science (MS)
Granting institution: Clark Atlanta University
Department: Chemistry
Advisor: Tandabany, Dinadayalane
Advisor: Parker, Cass
Advisor: Ingram, Conrad - Metadata URL:
- http://hdl.handle.net/20.500.12322/cau.td:2018_alhabradi_thuraya_f
- Holding Institution:
- Atlanta University Center Robert W. Woodruff Library
- Rights:
-
