Abstract
Organic dyes have great potential for its use in solar cells. In this recent work, the molecular structure and properties of Dye 7 were obtained using density functional theory (DFT) and different levels of calculation. Upon comparing the molecular structure and the ultraviolet visible spectrum with experimental data reported in the literature, it was found that the M05-2X/6-31G(d) level of calculation gave the best approximation. Once the appropriate methodology had been obtained, the molecule was characterized by obtaining the infrared spectrum, dipole moment, total energy, isotropic polarizability, molecular orbital energies, free energy of solvation in different solvents, and the chemical reactivity sites using the condensed Fukui functions.
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Abbreviations
- DFT:
-
Density functional theory
- TD-DFT:
-
Time-dependent density functional theory
- IR:
-
Infrared
- UV-vis:
-
Ultraviolet
- Å:
-
Angstrom
- λ max :
-
Wavelength of maximum absorption
- THF:
-
Tetrahydrofuran
- HOMO:
-
Highest occupied molecular orbital
- LUMO:
-
Lowest unoccupied molecular orbital
- ΔG(solv):
-
Free energy of solvation
- IEF-PCM:
-
Integral equation formalism of the polarized continuum model
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Acknowledgments
This work was made possible by the support of Universidad Autónoma de Sinaloa through the Facultad de Ingeniería Mochis, by the PROFAPI2010/033 project, Centro de Investigación en Materiales Avanzados, S.C. (CIMAV), and Consejo Nacional de Ciencia y Tecnología.
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Baldenebro-López, J., Castorena-González, J., Flores-Holguin, N. et al. Computational characterization of the molecular structure and properties of Dye 7 for organic photovoltaics. J Mol Model 18, 835–842 (2012). https://doi.org/10.1007/s00894-011-1120-6
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DOI: https://doi.org/10.1007/s00894-011-1120-6