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Tale Moghim M, Jamehbozorgi S, Rezvani M, Ramezani M. Computational investigation on the geometry and electronic structures and absorption spectra of metal-porphyrin-oligo- phenyleneethynylenes-[60] fullerene triads. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 280:121488. [PMID: 35759932 DOI: 10.1016/j.saa.2022.121488] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 06/02/2022] [Accepted: 06/06/2022] [Indexed: 06/15/2023]
Abstract
In this work, we focus our attention on the influence of 2nd-row transition metals on the structural geometries, electronic structures, and absorption characteristics of porphyrin linked with the C60 fullerene with oligo-p-phenyleneethynylenes (MP-C60-oligo-PPEs) compounds. The DFT/B3PW91-D3 and CAM-B3LYP-D3/6-31G (d) calculations revealed that various metals embedded within the porphyrin moiety give different bridge conformations and different HOMO-LUMO energy levels. We calculate the UV-Vis spectra and absorption parameters using the time-dependent ZINDO/S approach. Our findings indicate that all the compounds have enhanced absorptions in the visible light range, and their molecular orbital energies adopt the condition of sensitizers. However, all of the complexes except down spin states exhibit considerably charge spatial separation. The results suggest that the ZnP-C60-oligo-PPEs triad can meet the necessary conditions of the sensitizer of dye-sensitized solar cells (DSSCs) in comparison with other counterparts and could be an optimum triad compound for potential application in photovoltaic devices.
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Affiliation(s)
- Masoud Tale Moghim
- Department of Chemistry, Faculty of Science Arak Branch, Islamic Azad University, Arak, Iran
| | - Saeed Jamehbozorgi
- Department of Chemistry, Faculty of Science Hamedan Branch, Islamic Azad University, Hamedan, Iran.
| | - Mahyar Rezvani
- Department of Chemistry, Faculty of Science Hamedan Branch, Islamic Azad University, Hamedan, Iran.
| | - Majid Ramezani
- Department of Chemistry, Faculty of Science Hamedan Branch, Islamic Azad University, Hamedan, Iran
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Ghahramanpour M, Jamehbozorgi S, Rezvani M. The effect of encapsulation of lithium atom on supramolecular triad complexes performance in solar cell by using theoretical approach. ADSORPTION 2020. [DOI: 10.1007/s10450-019-00196-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Rätsep M, Linnanto JM, Muru R, Biczysko M, Reimers JR, Freiberg A. Absorption-emission symmetry breaking and the different origins of vibrational structures of the 1Qy and 1Qx electronic transitions of pheophytin a. J Chem Phys 2019; 151:165102. [DOI: 10.1063/1.5116265] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Margus Rätsep
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia
| | - Juha Matti Linnanto
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia
| | - Renata Muru
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia
| | - Malgorzata Biczysko
- International Centre for Quantum and Molecular Structures and Department of Physics, Shanghai University, Shanghai 200444, China
| | - Jeffrey R. Reimers
- International Centre for Quantum and Molecular Structures and Department of Physics, Shanghai University, Shanghai 200444, China
- School of Mathematical and Physical Sciences, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Arvi Freiberg
- Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia and Institute of Molecular and Cell Biology, University of Tartu, Riia 23, 51010 Tartu, Estonia
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Rezvani M, Darvish Ganji M, Jameh-Bozorghi S, Niazi A. DFT/TD-semiempirical study on the structural and electronic properties and absorption spectra of supramolecular fullerene-porphyrine-metalloporphyrine triads based dye-sensitized solar cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 194:57-66. [PMID: 29324256 DOI: 10.1016/j.saa.2017.12.073] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 12/28/2017] [Accepted: 12/31/2017] [Indexed: 06/07/2023]
Abstract
In the present work density functional theory (DFT) and time-dependent semiempirical ZNIDO/S (TD-ZNIDO/S) methods have been used to investigate the ground state geometries, electronic structures and excited state properties of triad systems. The influences of the type of metal in the porphyrin ring, change in bridge position and porphyrine-ZnP duplicate on the energies of frontier molecular orbital and UV-Vis spectra has been studied. Geometry optimization, the energy levels and electron density of the Highest Occupied Molecular Orbital (HOMO) and the Lowest Unoccupied Molecular Orbital (LUMO), chemical hardness (η), electrophilicity index (ω), electron accepting power (ω+) were calculated using ZINDO/S method to predict which molecule is the most efficient with a great capability to be used as a triad molecule in solar industry. Moreover the light harvesting efficiency (LHE) was calculated by means of the oscillator strengths which are obtained by TD-ZINDO/S calculation. Theoretical studies of the electronic spectra by ZINDO/S method were helpful in interpreting the observed electronic transitions. This aspect was systematically explored in a series of C60-Porphyrine-Metalloporphyrine (C60-P-Mp) triad system with M being Fe, Co, Ni, Ti, and Zn. Generally, transition metal coordination compounds are used as effective sensitizers, due to their intense charge-transfer absorption over the whole visible range and highly efficient metal-to-ligand charge transfer. We aim to optimize the performance of the title solar cells by altering the frontier orbital energy gaps. The results reveal that cell efficiency can be enhanced by metal functionalization of the free base porphyrin. Ti-porphyrin was found to be the most efficient dye sensitizer for dye sensitized solar cells (DSSCs) based on C60-P-Mptriad system due to C60-Por-TiP complex has lower chemical hardness, gap energy and chemical potential as well as higher electron accepting power among other complexes. In addition, the performance of solar cells favors better with doubly and increasing the π conjugated of the bridge.
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Affiliation(s)
- M Rezvani
- Department of chemistry, Faculty of science, Arak branch, Islamic Azad university, Arak, Iran
| | - M Darvish Ganji
- Department of Nanochemistry, Faculty of Pharmaceutical Chemistry, Pharmaceutical Sciences Branch, Islamic Azad University(IAUPS), Tehran, Iran.
| | - S Jameh-Bozorghi
- Department of Chemistry, Faculty of Science, Hamedan Branch, Islamic Azad University, Hamedan, Iran
| | - A Niazi
- Department of Chemistry, Central Tehran Branch, Islamic Azad University, Tehran, Iran
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Krasnoshchekov SV, Stepanov NF. Nonempirical anharmonic vibrational perturbation theory applied to biomolecules: free-base porphin. J Phys Chem A 2014; 119:1616-27. [PMID: 25360995 DOI: 10.1021/jp5077092] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Anharmonic vibrational frequencies and intensities (infrared and Raman) of an isolated free-base porphin molecule are predicted from the quantum mechanical (QM) geometry, the "semi-diagonal" quartic force field, and dipole moment and polarizability surfaces. The second-order vibrational perturbation theory plus the numerical diagonalization of the Hamiltonian matrix containing off-diagonal Fermi and Darling-Dennison resonance couplings (VPT2+WK) was used. The QM calculations were carried out with the Becke-Lee-Yang-Parr composite exchange-correlation functional (B3LYP) and with the 6-31+G(d,p) basis set. The harmonic force field for the equilibrium configuration was transformed into nonredundant local symmetry internal coordinates, and normal coordinates were defined. The semi-diagonal quartic rectilinear normal coordinate potential energy surface (PES), as well as the cubic surfaces of dipole moment (p) and polarizability (α) components, needed for the VPT2+WK calculation, were constructed by a five-point finite differentiation of Hessians (for PES) and of the values and first derivatives of p and α. They were obtained at the point of equilibrium and for 432 displaced configurations. This theoretical approach provides very good agreement between the predicted and experimental frequencies and intensities. However, the favorable result can be partly attributed to error cancellation within the B3LYP/6-31+G(d,p) QM model, as observed in earlier studies. Reassignments of some observed bands are proposed.
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Gawinkowski S, Walewski Ł, Vdovin A, Slenczka A, Rols S, Johnson MR, Lesyng B, Waluk J. Vibrations and hydrogen bonding in porphycene. Phys Chem Chem Phys 2012; 14:5489-503. [DOI: 10.1039/c2cp24098j] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Rätsep M, Cai ZL, Reimers JR, Freiberg A. Demonstration and interpretation of significant asymmetry in the low-resolution and high-resolution Qy fluorescence and absorption spectra of bacteriochlorophyll a. J Chem Phys 2011; 134:024506. [DOI: 10.1063/1.3518685] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Murray C, Dozova N, McCaffrey JG, FitzGerald S, Shafizadeh N, Crépin C. Infra-red and Raman spectroscopy of free-base and zinc phthalocyanines isolated in matrices. Phys Chem Chem Phys 2010; 12:10406-22. [DOI: 10.1039/c0cp00055h] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Luňák S, Frumarová B, Vyňuchal J, Hrdina R. Geometry and Raman spectra of P.R. 255 and its furo-furanone analogue. Chem Phys 2009. [DOI: 10.1016/j.chemphys.2009.03.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Minaev B, Jansson E, Agren H, Schrader S. Theoretical study of phosphorescence in dye doped light emitting diodes. J Chem Phys 2007; 125:234704. [PMID: 17190567 DOI: 10.1063/1.2388263] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Phosphorescence of platinum(II) octaethyl porphyrin (PtOEP), which has been used in organic light emitting diodes to overcome the efficiency limit imposed by the formation of triplet excitons, is studied by time-dependent (TD) density functional theory (DFT). The spin-orbit coupling (SOC) effects and the phosphorescence radiative lifetime (tau(p) (r)), calculated by the TD DFT method with the quadratic response technique, are analyzed for a series of porphyrins in order to elucidate the internal heavy atom effect on tau(p) (r). While the significance of the d(pi) orbital admixture into the lowest unoccupied molecular orbital e(g)(pi(*)), proposed by Gouterman et al. [J. Chem. Phys. 56, 4073 (1972)], is supported by our SOC calculations, we find that the charge-transfer (CT) mechanism is more important; the CT state of the (3)A(2g) symmetry provides effective SOC mixing with the ground state, and a large (3)A(2g)-(3)E(u) transition dipole moment gives the main contribution to the radiative phosphorescence rate constant. The IR and Raman spectra in the ground state and first excited triplet state (T(1)) are studied for proper assignment of vibronic patterns. An orbital angular momentum of the T(1) state is not quenched completely by the Jahn-Teller effect. A large zero-field splitting is predicted for PtP and PtOEP which results from a competition between the SOC and Jahn-Teller effects. A strong vibronic activity is found for the e(g) mode at 230 cm(-1) in PtP phosphorescence which is shifted to 260 cm(-1) in PtOEP. This out-of-plane vibration of the Pt atom produces considerable change of the SOC mixing. The role of charge-transfer state of d(pi)pi(*) type is stressed for the explanation of the electroluminescent properties of the dye doped light emitting diode.
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Affiliation(s)
- Boris Minaev
- Laboratory of Theoretical Chemistry, The Royal Institute of Technology, SE-10691 Stockholm, Sweden
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Grafton AK. Vibalizer: A free, web-based tool for rapid, quantitative comparison and analysis of calculated vibrational modes. J Comput Chem 2007; 28:1290-305. [PMID: 17299728 DOI: 10.1002/jcc.20642] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This report describes the development and applications of a software package called Vibalizer, the first and only method that provides free, fast, interactive, and quantitative comparison and analysis of calculated vibrational modes. Using simple forms and menus in a web-based interface, Vibalizer permits the comparison of vibrational modes from different, but similar molecules and also performs rapid calculation and comparison of isotopically substituted molecules' normal modes. Comparing and matching complex vibrational modes can be completed in seconds with Vibalizer, whereas matching vibrational modes manually can take hours and gives only qualitative comparisons subject to human error and differing individual judgments. In addition to these core features, Vibalizer also provides several other useful features, including the ability to automatically determine first-approximation mode descriptions, to help users analyze the results of vibrational frequency calculations. Because the software can be dimensioned to handle almost arbitrarily large systems, Vibalizer may be of particular use when analyzing the vibrational modes of complex systems such as proteins and extended materials systems. Additionally, the ease of use of the Vibalizer interface and the straightforward interpretation of results may find favor with educators who incorporate molecular modeling into their classrooms. The Vibalizer interface is available for free use at http://www.compchem.org, and it is also available as a locally-installable package that will run on a Linux-based web server.
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Affiliation(s)
- Anthony K Grafton
- Division of Science, Lyon College, P.O. Box 2317, Batesville, Arkansas 72503, USA.
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Ciezak JA, Leão JB. Structural and vibrational characterization of tetracyanoethylene-hexamethylbenzene as a function of pressure. J Phys Chem A 2006; 110:3759-69. [PMID: 16526660 DOI: 10.1021/jp056351n] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The neutron powder diffraction and inelastic neutron scattering (INS) spectra of the electron donor-acceptor complex, tetracyanoethylene-hexamethylbenzene have been studied as a function of pressure to 0.414 GPa. Using the PW91 and PBE density functional theories, the unit cell vectors were calculated as a function of pressure and are compared to those experimentally obtained from the diffraction data. The calculated lattice vectors display large errors at low pressures but were found to be in close agreement with the experimental vectors at 0.414 GPa. Comparison of the experimental INS spectra of the TCNE-HMB enabled assignment of specific vibrational modes while providing a direct measurement of the effect of pressure on the complex. The PW91 vibrational frequency calculations reproduced both the vibrational intensities and frequencies with relative accuracy.
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Affiliation(s)
- Jennifer A Ciezak
- NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA.
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