Journal
JOURNAL OF FLUORESCENCE
Volume 32, Issue 6, Pages 2053-2063Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-022-03005-1
Keywords
Solar cell; Dye-sensitized solar cells (DSSCs); Bis (5; 6-diphenyl-1; 2; 4-triazines); Optical properties; Density functional theory (DFT); Time dependent density functional theory (TD-DFT)
Funding
- Science, Technology & Innovation Funding Authority (STDF)
- Misr University for Science and Technology and Cairo University (Laser Systems Department, National Institute of Laser-Enhanced Science (NILES))
- Egyptian Knowledge Bank (EKB)
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In this paper, four series of 1,2,4-triazine derivatives were studied as candidates for dye-sensitized solar cells. The molecular structures and optoelectronic properties were analyzed using density functional theory and time-dependent density functional theory. The results indicate that these molecules have potential for application in organic DSSCs.
In this manuscript, we report four series for 1,2,4-triazine derivatives as dye-sensitized solar cells (DSSCs). Density functional theory (DFT) methods via utilizing Becke's three-parameter functional and LeeeYangeParr functional (B3LYP) level with 6-31G (d, p) basis set to investigate their modeling molecular structures. Optimized molecular structures for studied molecular structures are obtained using the DFT/B3LYP/6-31G (d, p) method. In addition, the time-dependant density functional theory (TD-DFT) is used to study the optoelectronic properties and absorption spectra using DFT/CAM-B3LYP/ 6-31G + + (d, p) level in the Gaussian 09 program. The highest occupied molecular orbital (HOMO), lowest unoccupied molecular orbital (LUMO), energy gap (E-g), light harvest efficiency (LHE), and open-circuit voltage (Voc) of the studied molecular structures are calculated and illustrated. These properties indicate that these molecular modeling structures as good candidates for utilization in organic DSSCs.
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