Journal
COMPUTATIONAL AND THEORETICAL CHEMISTRY
Volume 1098, Issue -, Pages 41-49Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.comptc.2016.11.004
Keywords
Graphite carbon nitride; Properties; Density Functional Theory calculation
Categories
Funding
- SECyT Universidad Nacional de Cordoba
- INMETRO
- [PIP 11220120100031CONICET]
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Graphite carbon nitride (g-C3N4) is a new class of N-doped material that exists in 2D and 3D structures. They are nanoporous materials with multiple technological applications. That is why we present here a complete Density Functional Theory study about the properties of (2D) sheets: triazine and tri-s-triazine and the (3D) crystals. The layers can be stacked in different forms on the crystals. Thus, we consider different stacking types and calculate the adhesion energy between the layers. We also simulate the X-ray diffraction pattern (XRD) and Transmission Electron Microscopy (TEM) pattern using the optimized geometries, because all these data are useful for experimentalists. As g-C3N4 is an organic semiconductor, we inform the electrical properties for sheets and crystals. We perform band diagrams using symmetry paths in the Brillouin zone (BZ) and Density of States (DOS) calculations. We compare graphene and graphite materials with 2D and 3D g-C3N4 structures, because they are a good reference as they are well known. (C) 2016 Elsevier B.V. All rights reserved.
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