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Lodowski P, Jaworska M. Theoretical Investigation of Iridium Complex with Aggregation-Induced Emission Properties. Molecules 2024; 29:580. [PMID: 38338325 PMCID: PMC10856369 DOI: 10.3390/molecules29030580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/11/2024] [Accepted: 01/18/2024] [Indexed: 02/12/2024] Open
Abstract
The mechanism of aggregation-induced emission (AIE) for the bis(1-(2,4-difluorophenyl)-1H-pyrazole)(2-(20-hydroxyphenyl)-2-oxazoline)iridium(III) complex, denoted as Ir(dfppz)2(oz), was investigated with use DFT and the TD-DFT level of theory. The mechanism of radiationless deactivation of the triplet state was elucidated. Such a mechanism requires an additional, photophysical triplet channel of the internal conversion (IC) type, which is activated as a result of intramolecular motion deforming the structure of the oz ligand and distorting the iridium coordination sphere. Formally, the rotational movement of the oxazoline relative to the C-C bond in the oz ligand is the main active coordinate that leads to the opening of the triplet channel. The rotation of the oxazoline group and the elongation of the Ir-Nox bond cause a transition between the luminescent, low-lying triplet state with a d/π→π* characteristic (T1(eq)), and the radiationless d→d triplet state (T1(Ir)). This transition is made possible by the low energy barrier, which, based on calculations, was estimated at approximately 8.5 kcal/mol. Dimerization, or generally aggregation of the complex molecules, blocks the intramolecular movement in the ligand and is responsible for a strong increase in the energy barrier for the T1(eq)⇝T1(Ir) conversion of triplet states. Thus, the aggregation phenomenon blocks the nonradiative deactivation channel of the excited states and, consequently, contributes to directing the photophysical process toward phosphorescence. The mechanism involved in locking the nonradiative triplet path can be called restricted access to singlet-triplet crossing (RASTC).
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Affiliation(s)
| | - Maria Jaworska
- Institute of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-006 Katowice, Poland;
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2
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Medves M, Toffoli D, Stener M, Sementa L, Fortunelli A. Coupling between Plasmonic and Molecular Excitations: TDDFT Investigation of an Ag-Nanorod/BODIPY-Dye Interaction. J Phys Chem A 2022; 126:5890-5899. [PMID: 36001802 DOI: 10.1021/acs.jpca.2c04168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A time-dependent density functional theory (TDDFT) computational approach is employed to study the optical coupling between a plasmonic system (a Ag50 nanorod) and a fluorescent dye (BODIPY). It is found that the BODIPY dye can interact with a plasmonic system in a rather different and selective way according to the mutual orientation of the fragments. Indeed, (i) the plasmon excitation turns out to be sensitive to the presence of the BODIPY transition and (ii) this can lead to amplify or suppress the resonance accordingly to the relative orientation of the corresponding transition dipoles. To understand the coupling mechanism, we analyze the shape of the induced density in real space and the Individual Component Map of the Oscillator Strength (ICM-OS) plots and achieve a simple rationalization and insight on the origin and features of the coupling. The resulting possibility of understanding plasmon/fluorophore interactions by simple qualitative arguments opens the way to a rational design of hybrid (plasmon + dye) systems with the desired optical behavior.
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Affiliation(s)
- Marco Medves
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università di Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Daniele Toffoli
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università di Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Mauro Stener
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università di Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Luca Sementa
- CNR-ICCOM & IPCF, Consiglio Nazionale delle Ricerche, via G. Moruzzi 1, Pisa, 56124, Italy
| | - Alessandro Fortunelli
- CNR-ICCOM & IPCF, Consiglio Nazionale delle Ricerche, via G. Moruzzi 1, Pisa, 56124, Italy
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3
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Akpe V, Biddle TJ, Madu C, Kim TH, Brown CL, Cock IE. Using new solvatochromic parameters to investigate dye–solvent interactions. Aust J Chem 2022. [DOI: 10.1071/ch21201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Solvatochromic behaviours of triazine substituted dyes were evaluated using a novel approach derived from the red shift index (RsI) and associated solvation energy (ASE). These parameters were used to describe the solvation trends of the dye–solvent interactions based on their polarity changes. The concept demonstrates the effect of substituent changes on the triazine scaffold and the induced solvent polarity changes as solvated dyes go through the HOMO–LUMO (highest occupied molecular orbital-lowest uncopied molecular orbital) phases. Primarily, these phases were characterised by evaluating the wavelength of the absorption and emission spectra in different solvents, which, in conjunction with the recently reported computational approaches, provides a well-adjusted model for predicting spectra polarity changes between the dye (solute) and the solvent. Based on the results from this study, predictive polarity changes on the triazine scaffold in different solvents can be empirically monitored both in ground and excited states. Moreover, the solvatochromic parameters can be extended to evaluate the predictive behaviours of different spectra dyes.
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4
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Kapturkiewicz A, Kamecka A. Luminescence properties of [Ir(C^N) 2(N^N)] + complexes: relations between DFT computation results and emission band-shape analysis data. RSC Adv 2021; 11:29308-29322. [PMID: 35492067 PMCID: PMC9040651 DOI: 10.1039/d1ra05430a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 08/26/2021] [Indexed: 12/01/2022] Open
Abstract
Luminescence properties of two series of [Ir(C^N)2(N^N)]+ complexes bearing deprotonated 1-phenyl-1H-pyrazole or 1-(2,4-difluorophenyl)-1H-pyrazole as cyclometalating C^N ligands and different α-diimines (2,2′-bipyridine, 1,10-phenanthroline and their derivatives) as ancillary N^N ligands have been studied in acetonitrile solutions at room temperature and in 77 K methanol/ethanol (1 : 1) matrices. Ligand and temperature induced changes in the nature of the emissive 3*[Ir(C^N)2(N^N)]+ species result in well-pronounced changes in their emission properties like emission wavelength, emission quantum yields and emission lifetimes. Depending on the nature of the coordinated C^N and N^N ligands and/or the measurement temperature, the investigated luminophores exhibit emissions arising from the intraligand transitions localized within the N^N ligand or from the metal-to-ligand charge-transfer transitions involving the Ir(C^N)2+ and N^N moieties as confirmed by means of the DFT computations. The computed DFT energies of the excited 3*[Ir(C^N)2(N^N)]+ states and outer/inner reorganization energies associated with the S0 ← 3*[Ir(C^N)2(N^N)]+ transitions remain in nice agreement with those available from the performed emission band-shape analyses. The observed agreement implies ordinary DFT computations at the B3LYP/LANL2DZ/6-31G(d,p) level of theory, even performed neglecting the spin–orbit phenomena, as enough accurate in the quantitative prediction of the most important parameters characterizing the investigated [Ir(C^N)2(N^N)]+ luminophores. For two series of [Ir(C^N)2(N^N)]+ luminophores, the computed DFT quantities remain in nice agreement with those available from the emission band-shape analyses.![]()
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Affiliation(s)
- Andrzej Kapturkiewicz
- Institute of Chemical Sciences, Siedlce University of Natural Sciences and Humanities, 3 Maja 54, 08-110 Siedlce, Poland
| | - Anna Kamecka
- Institute of Chemical Sciences, Siedlce University of Natural Sciences and Humanities, 3 Maja 54, 08-110 Siedlce, Poland
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5
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Boukabene M, Brahim H, Hadji D, Guendouzi A. Theoretical study of geometric, optical, nonlinear optical, UV–Vis spectra and phosphorescence properties of iridium(III) complexes based on 5-nitro-2-(2′,4′-difluorophenyl)pyridyl. Theor Chem Acc 2020. [DOI: 10.1007/s00214-020-2560-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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6
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Kapturkiewicz A, Kamecka A, Grochowska O. Heteroleptic Re(CO) 2+ and Re(CO) 3+ complexes with α-diimines: similarities and differences in their luminescence properties. RSC Adv 2020; 10:29642-29658. [PMID: 35518238 PMCID: PMC9056165 DOI: 10.1039/d0ra06262f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 08/05/2020] [Indexed: 11/26/2022] Open
Abstract
The photophysical properties of two series of phosphorescent rhenium(i) complexes, [Re(CO)2(N^N)(tpp)2]+ and [Re(CO)3(N^N)(tpp)]+ with carbon monoxide (CO), triphenylphosphine (tpp) and α-diimine (N^N) ligands have been investigated in deoxygenated acetonitrile solution at room temperature and in solid methanol/ethanol 1 : 1 matrices at 77 K. The complexes display moderate to strong phosphorescence which is related to the N^N ligand modulated metal-to-ligand charge-transfer S0 ← 3*MLCT or intraligand S0 ← 3*LC transitions. Luminescence properties of the investigated series have been found to be very similar but some intrinsic differences between them are clearly seen. Whereas the [Re(CO)2(N^N)(tpp)2]+ series shows MLCT emission in both temperature regimes studied, the [Re(CO)3(N^N)(tpp)]+ series exhibits intrinsic changes in its emission character when the measurement temperature is lowered from 298 to 77 K. In both investigated series, their emission characteristics are strongly affected by the nature of coordinated α-diimine N^N ligands. The observed trends, changes in the radiative kr and non-radiative knr deactivation rate constants, have been compared with those found for the previously investigated [Re(CO)3(N^N)(Cl)], [Re(CO)3(N^N)(CH3CN)]+, and [Re(CO)2(N^N)(dppv)]+ series (dppv = cis-1,2-bis(diphenylphosphino)-ethene). Similarities and differences in the spectroscopic and photophysical properties of five series of the Re(CO)3+ and Re(CO)2+ complexes have been analyzed in the view of results from DFT and TD-DFT computation and the emission band-shape analyses performed according to the Marcus–Jortner formalism. We report results from comparative studies of luminescence properties of five series of α-diimine rhenium(i) complexes.![]()
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Affiliation(s)
- Andrzej Kapturkiewicz
- Institute of Chemical Sciences
- Siedlce University of Natural Sciences and Humanities
- 08-110 Siedlce
- Poland
| | - Anna Kamecka
- Institute of Chemical Sciences
- Siedlce University of Natural Sciences and Humanities
- 08-110 Siedlce
- Poland
| | - Olga Grochowska
- Institute of Chemical Sciences
- Siedlce University of Natural Sciences and Humanities
- 08-110 Siedlce
- Poland
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7
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Fredin LA, Persson P. Influence of Triplet Surface Properties on Excited-State Deactivation of Expanded Cage Bis(tridentate)Ruthenium(II) Complexes. J Phys Chem A 2019; 123:5293-5299. [DOI: 10.1021/acs.jpca.9b02927] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lisa A. Fredin
- Chemistry Department, Theoretical Chemistry Division, Lund University, Box 124, SE-22100 Lund, Sweden
| | - Petter Persson
- Chemistry Department, Theoretical Chemistry Division, Lund University, Box 124, SE-22100 Lund, Sweden
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8
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Kamecka A, Suwińska K, Kapturkiewicz A. Heteroleptic [Os(Cl)(CO)(P^P)(pbi)] complexes bearing bidentate phosphine and 2-(2-pyridyl)benzimidazolate ligands: impact of isomerism on their luminescence properties. Phys Chem Chem Phys 2019; 21:17746-17759. [DOI: 10.1039/c9cp03416a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two isomeric series of osmium(ii) complexes exhibit significant differences in their luminescence properties.
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Affiliation(s)
- Anna Kamecka
- Institute of Chemistry
- Faculty of Sciences
- University of Natural Sciences and Humanities in Siedlce
- 08-110 Siedlce
- Poland
| | - Kinga Suwińska
- Faculty of Mathematics and Natural Sciences
- Cardinal Stefan Wyszynski University in Warsaw
- 01-938 Warszawa
- Poland
| | - Andrzej Kapturkiewicz
- Institute of Chemistry
- Faculty of Sciences
- University of Natural Sciences and Humanities in Siedlce
- 08-110 Siedlce
- Poland
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9
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Truong PT, Broering EP, Dzul SP, Chakraborty I, Stemmler TL, Harrop TC. Simultaneous nitrosylation and N-nitrosation of a Ni-thiolate model complex of Ni-containing SOD. Chem Sci 2018; 9:8567-8574. [PMID: 30568781 PMCID: PMC6253683 DOI: 10.1039/c8sc03321h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 09/17/2018] [Indexed: 11/21/2022] Open
Abstract
Nitric oxide (NO) is used as a substrate analogue/spectroscopic probe of metal sites that bind and activate oxygen and its derivatives. To assess the interaction of superoxide with the Ni center in Ni-containing superoxide dismutase (NiSOD), we studied the reaction of NO+ and NO with the model complex, Et4N[Ni(nmp)(SPh-o-NH2-p-CF3)] (1; nmp2- = dianion of N-(2-mercaptoethyl)picolinamide; -SPh-o-NH2-p-CF3 = 2-amino-4-(trifluoromethyl)benzenethiolate) and its oxidized analogue 1ox , respectively. The ultimate products of these reactions are the disulfide of -SPh-o-NH2-p-CF3 and the S,S-bridged tetrameric complex [Ni4(nmp)4], a result of S-based redox activity. However, introduction of NO to 1 affords the green dimeric {NiNO}10 complex (Et4N)2[{Ni(κ2-SPh-o-NNO-p-CF3)(NO)}2] (2) via NO-induced loss of nmp2- as the disulfide and N-nitrosation of the aromatic thiolate. Complex 2 was characterized by X-ray crystallography and several spectroscopies. These measurements are in-line with other tetrahedral complexes in the {NiNO}10 classification. In contrast to the established stability of this metal-nitrosyl class, the Ni-NO bond of 2 is labile and release of NO from this unit was quantified by trapping the NO with a CoII-porphyrin (70-80% yield). In the process, the Ni ends up coordinated by two o-nitrosaminobenzenethiolato ligands to result in the structurally characterized trans-(Et4N)2[Ni(SPh-o-NNO-p-CF3)2] (3), likely by a disproportionation mechanism. The isolation and characterization of 2 and 3 suggest that: (i) the strongly donating thiolates dominate the electronic structure of Ni-nitrosyls that result in less covalent Ni-NO bonds, and (ii) superoxide undergoes disproportionation via an outer-sphere mechanism in NiSOD as complexes in the {NiNO}9/8 state have yet to be isolated.
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Affiliation(s)
- Phan T Truong
- Department of Chemistry , Center for Metalloenzyme Studies , The University of Georgia , Athens , Georgia 30602 , USA .
| | - Ellen P Broering
- Department of Chemistry , Center for Metalloenzyme Studies , The University of Georgia , Athens , Georgia 30602 , USA .
| | - Stephen P Dzul
- Departments of Pharmaceutical Sciences, Biochemistry, and Molecular Biology , Wayne State University , Detroit , Michigan 48201 , USA
| | - Indranil Chakraborty
- Department of Chemistry and Biochemistry , Florida International University , Miami , Florida 33199 , USA
| | - Timothy L Stemmler
- Departments of Pharmaceutical Sciences, Biochemistry, and Molecular Biology , Wayne State University , Detroit , Michigan 48201 , USA
| | - Todd C Harrop
- Department of Chemistry , Center for Metalloenzyme Studies , The University of Georgia , Athens , Georgia 30602 , USA .
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10
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Pettersson Rimgard B, Föhlinger J, Petersson J, Lundberg M, Zietz B, Woys AM, Miller SA, Wasielewski MR, Hammarström L. Ultrafast interligand electron transfer in cis-[Ru(4,4'-dicarboxylate-2,2'-bipyridine) 2(NCS) 2] 4- and implications for electron injection limitations in dye sensitized solar cells. Chem Sci 2018; 9:7958-7967. [PMID: 30430000 PMCID: PMC6201818 DOI: 10.1039/c8sc00274f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 08/13/2018] [Indexed: 11/22/2022] Open
Abstract
Interligand electron transfer (ILET) of the lowest metal-to-ligand charge transfer (MLCT) state of N712 (cis-[Ru(dcb)2(NCS)2]4-, where dcb = 4,4'-dicarboxylate-2,2'-bipyridine) in a deuterated acetonitrile solution has been studied by means of femtosecond transient absorption anisotropy in the mid-IR. Time-independent B3LYP density functional calculations were performed to assign vibrational bands and determine their respective transition dipole moments. The transient absorption spectral band at 1327 cm-1, assigned to a symmetric carboxylate stretch, showed significant anisotropy. A rapid anisotropy increase (τ 1 ≈ 2 ps) was tentatively assigned to vibrational and solvent relaxation, considering the excess energy available after the excited singlet-triplet conversion. Thereafter, the anisotropy decayed to zero with a time constant τ 2 ≈ 240 ps, which was assigned to the rotational correlation time of the complex in deuterated acetonitrile. No other distinctive changes to the anisotropy were observed and the amplitude of the slow component at time zero agrees well with that predicted for a random mixture of MLCT localization on either of the two dcb ligands. The results therefore suggest that MLCT randomization over the two dcb ligands occurs on the sub-ps time scale. This is much faster than proposed by previous reports on the related N3 complex [Benkö et al., J. Phys. Chem. B, 2004, 108, 2862, and Waterland et al., J. Phys. Chem. A, 2001, 105, 4019], but in agreement with that found by Wallin and co-workers [J. Phys. Chem. A, 2005, 109, 4697] for the [Ru(bpy)3]2+ (bpy = 2,2'-bipyridine) complex. This suggests that electron injection from the excited dye into TiO2 in dye-sensitized solar cells is not limited by ILET.
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Affiliation(s)
- Belinda Pettersson Rimgard
- Department of Chemistry - Ångström Laboratory , Uppsala University , Box 523 , SE75120 Uppsala , Sweden .
| | - Jens Föhlinger
- Department of Chemistry - Ångström Laboratory , Uppsala University , Box 523 , SE75120 Uppsala , Sweden .
| | - Jonas Petersson
- Department of Chemistry - Ångström Laboratory , Uppsala University , Box 523 , SE75120 Uppsala , Sweden .
| | - Marcus Lundberg
- Department of Chemistry - Ångström Laboratory , Uppsala University , Box 523 , SE75120 Uppsala , Sweden .
- Department of Biotechnology , Chemistry and Pharmacy , Università di Siena , Via A. Moro 2 , 53100 Siena , Italy
| | - Burkhard Zietz
- Department of Chemistry - Ångström Laboratory , Uppsala University , Box 523 , SE75120 Uppsala , Sweden .
| | - Ann Marie Woys
- Department of Chemistry , Argonne-Northwestern Solar Energy Research (ANSER) Center , Northwestern University , Evanston , Illinois 60208-3113 , USA .
| | - Stephen A Miller
- Department of Chemistry , Argonne-Northwestern Solar Energy Research (ANSER) Center , Northwestern University , Evanston , Illinois 60208-3113 , USA .
| | - Michael R Wasielewski
- Department of Chemistry , Argonne-Northwestern Solar Energy Research (ANSER) Center , Northwestern University , Evanston , Illinois 60208-3113 , USA .
| | - Leif Hammarström
- Department of Chemistry - Ångström Laboratory , Uppsala University , Box 523 , SE75120 Uppsala , Sweden .
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11
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Van Stappen C, Lehnert N. Mechanism of N–N Bond Formation by Transition Metal–Nitrosyl Complexes: Modeling Flavodiiron Nitric Oxide Reductases. Inorg Chem 2018; 57:4252-4269. [DOI: 10.1021/acs.inorgchem.7b02333] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Casey Van Stappen
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Nicolai Lehnert
- Department of Chemistry and Department of Biophysics, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
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12
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Soupart A, Dixon IM, Alary F, Heully JL. DFT rationalization of the room-temperature luminescence properties of Ru(bpy)
3
2+
and Ru(tpy)
2
2+
: 3MLCT–3MC minimum energy path from NEB calculations and emission spectra from VRES calculations. Theor Chem Acc 2018. [DOI: 10.1007/s00214-018-2216-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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13
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Sampaio RN, Müller AV, Polo AS, Meyer GJ. Correlation Between Charge Recombination and Lateral Hole-Hopping Kinetics in a Series of cis-Ru(phen')(dcb)(NCS) 2 Dye-Sensitized Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2017; 9:33446-33454. [PMID: 28471164 DOI: 10.1021/acsami.7b01542] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Four complexes of the general form cis-Ru(phen')(dcb)(NCS)2, where dcb is 4,4'-(CO2H)2-2,2'-bipyridine and phen' is 1,10-phenanthroline (phen), 4,7-(C6H5)2-phen (Ph2-phen), 4,7-(CH3)2-phen (Me2-phen), or 3,4,7,8-(CH3)4-phen (Me4-phen), were anchored to mesoporous TiO2 thin films for applications as sensitizers in dye-sensitized solar cells (DSSCs). The compounds displayed metal based reductions Eo(RuIII/II) = 1.01 ± 0.05 V vs NHE and were potent reductants competent of excited-state electron transfer to TiO2 with yields ϕinj ≥ 0.75 in acetonitrile electrolytes. Average charge recombination rate constants, kcr, abstracted from nanosecond transient absorption measurements, and the apparent diffusion coefficients for lateral hole-hopping, abstracted from chronabsorptometry measurements, showed the same sensitizer dependency: Ru(Me4-phen) > Ru(Ph2-phen) > Ru(Me2-phen) ≈ Ru(phen). When used in operational solar cells, Ru(Ph2-phen) was most optimal with an efficiency of (6.6 ± 0.5)% in ionic liquids under 1 sun illumination. The superior performance of Ru(Ph2-phen) was traced to a higher injection yield and more efficient regeneration due to an unusually small sensitivity of kcr to the number of injected electrons.
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Affiliation(s)
- Renato N Sampaio
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
| | - Andressa V Müller
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC-UFABC , Av dos Estados, 5001, 09210-580 Santo André, São Paulo, Brazil
| | - André S Polo
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC-UFABC , Av dos Estados, 5001, 09210-580 Santo André, São Paulo, Brazil
| | - Gerald J Meyer
- Department of Chemistry, University of North Carolina at Chapel Hill , Chapel Hill, North Carolina 27599, United States
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15
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Light-driven electron transfer in a modular assembly of a ruthenium(II) polypyridine sensitiser and a manganese(II) terpyridine unit separated by a redox active linkage. DFT analysis. CR CHIM 2017. [DOI: 10.1016/j.crci.2016.08.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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16
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17
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Sulzer D, Iuchi S, Yasuda K. A New Method To Evaluate Excited States Lifetimes Based on Green’s Function: Application to Dye-Sensitized Solar Cells. J Chem Theory Comput 2016; 12:3074-86. [DOI: 10.1021/acs.jctc.6b00181] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- David Sulzer
- Institute for
Molecular Science, 38 Nishigo-Naka,
Myodaiji, Okazaki, 444-8585, Japan
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18
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Soma S, Van Stappen C, Kiss M, Szilagyi RK, Lehnert N, Fujisawa K. Distorted tetrahedral nickel-nitrosyl complexes: spectroscopic characterization and electronic structure. J Biol Inorg Chem 2016; 21:757-75. [DOI: 10.1007/s00775-016-1366-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 06/01/2016] [Indexed: 10/21/2022]
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19
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Two-component relativistic time-dependent density functional theory study on spin-forbidden transitions for metal polypyridyl complexes. Chem Phys Lett 2015. [DOI: 10.1016/j.cplett.2015.06.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Mishima K, Kinoshita T, Hayashi M, Jono R, Segawa H, Yamashita K, Lin SH. Theoretical studies on the absorption spectra of cis-[Ru(4,4'-COO-2,2'-bpy)2(X)2](4-), (X = NCS, Cl) and panchromatic trans-terpyridyl Ru complexes including strong spin-orbit coupling. Phys Chem Chem Phys 2015; 17:12317-27. [PMID: 25896092 DOI: 10.1039/c5cp00984g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper, we theoretically and experimentally investigate the photophysical and chemical characteristics and absorption spectra of various ruthenium complexes in solution used as efficient dye-sensitized solar cells. The target molecules are two well-known complexes, cis-[Ru(4,4'-COO-2,2'-bpy)2(X)2](4-), (X = NCS, Cl) and trans-terpyridyl Ru. The experimental absorption spectra of these molecules, which show strong spin-orbit (SO) coupling, are simulated using first-order perturbation theory based on time-dependent density functional theory and quantum chemistry calculations. It turns out that the theory can simulate the experimental data very well, which indicates that SO coupling is very important and the mixing between singlet and triplet states is strong in these molecules because of the large SO coupling constant of the Ru atom. The exact absorption spectra can only be reproduced by including the perturbation by SO coupling. The physical and chemical differences between cis-[Ru(4,4'-COO-2,2'-bpy)2(X)2](4-), (X = NCS, Cl) and trans-terpyridyl Ru complexes are elucidated by natural bond orbital and natural transition orbital analyses. From these analyses, we have found that the two kinds of Ru complexes are quite different in terms of photoexcitation response and chemical bonding between the central Ru atom and the surrounding ligands.
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Affiliation(s)
- Kenji Mishima
- Department of Chemical System Engineering, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan.
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21
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Laurent AD, Adamo C, Jacquemin D. Dye chemistry with time-dependent density functional theory. Phys Chem Chem Phys 2015; 16:14334-56. [PMID: 24548975 DOI: 10.1039/c3cp55336a] [Citation(s) in RCA: 233] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
In this perspective, we present an overview of the determination of excited-state properties of "real-life" dyes, and notably of their optical absorption and emission spectra, performed during the last decade with time-dependent density functional theory (TD-DFT). We discuss the results obtained with both vertical and adiabatic (vibronic) approximations, choosing relevant examples for several series of dyes. These examples include reproducing absorption wavelengths of numerous families of coloured molecules, understanding the specific band shape of amino-anthraquinones, optimising the properties of dyes used in solar cells, mimicking the fluorescence wavelengths of fluorescent brighteners and BODIPY dyes, studying optically active biomolecules and photo-induced proton transfer, as well as improving the properties of photochromes.
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Affiliation(s)
- Adèle D Laurent
- Chimie Et Interdisciplinarité, Synthèse, Analyse, Modélisation (CEISAM), UMR CNRS no. 6230, BP 92208, Université de Nantes, 2, Rue de la Houssinière, 44322 Nantes, Cedex 3, France.
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22
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Fan W, Tan D, Zhang Q, Wang H. Computational study of diketopyrrolopyrrole-based organic dyes for dye sensitized solar cell applications. J Mol Graph Model 2015; 57:62-9. [DOI: 10.1016/j.jmgm.2015.01.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Revised: 01/07/2015] [Accepted: 01/14/2015] [Indexed: 12/17/2022]
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23
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Fedoseeva M, Delor M, Parker SC, Sazanovich IV, Towrie M, Parker AW, Weinstein JA. Vibrational energy transfer dynamics in ruthenium polypyridine transition metal complexes. Phys Chem Chem Phys 2015; 17:1688-96. [DOI: 10.1039/c4cp04166f] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Understanding vibrational energy propagation pathways during and following electron transfer in transition metal complexes, which are of interest for solar cell applications, can provide new insights on the interplay between electronic and vibrational movement within the molecule.
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Affiliation(s)
- Marina Fedoseeva
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
| | - Milan Delor
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
| | - Simon C. Parker
- Department of Chemistry
- University of Sheffield
- Sheffield S3 7HF
- UK
| | - Igor V. Sazanovich
- Central Laser Facility
- Research Complex at Harwell
- Rutherford Appleton Laboratory
- Harwell Science and Innovation Campus
- STFC
| | - Michael Towrie
- Central Laser Facility
- Research Complex at Harwell
- Rutherford Appleton Laboratory
- Harwell Science and Innovation Campus
- STFC
| | - Anthony W. Parker
- Central Laser Facility
- Research Complex at Harwell
- Rutherford Appleton Laboratory
- Harwell Science and Innovation Campus
- STFC
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24
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A computational approach to the electronic, optical and acid–base properties of Ru(II) dyes for photoelectrochemical solar cells applications. Polyhedron 2014. [DOI: 10.1016/j.poly.2014.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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25
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Dixon IM, Khan S, Alary F, Boggio-Pasqua M, Heully JL. Probing the photophysical capability of mono and bis(cyclometallated) Fe(ii) polypyridine complexes using inexpensive ground state DFT. Dalton Trans 2014; 43:15898-905. [DOI: 10.1039/c4dt01939c] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Towards the development of functionalized polypyridine ligands for Ru(II) complexes as photosensitizers in dye-sensitized solar cells (DSSCs). Molecules 2014; 19:12421-60. [PMID: 25153864 PMCID: PMC6271818 DOI: 10.3390/molecules190812421] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 08/04/2014] [Accepted: 08/12/2014] [Indexed: 11/24/2022] Open
Abstract
A number of novel ruthenium(II) polypyridine complexes have been designed and synthesized for use as photosensitizers in dye-sensitized solar cells (DSSCs) due to their rich photophysical properties such as intense absorption, long-lived lifetimes, high emission quantum yields and unique redox characteristics. Many of these complexes exhibit photophysical behavior that can be readily controlled through a careful choice of ligands and/or substituents. With this perspective, we review the design and general synthetic methods of some polypyridine ligands based on bipyridine, phenanthroline, terpyridine and quaterpyridine with/without anchoring groups with a view to correlate functionality of ligand structures with the observed photophysical, electroredox and power conversion efficiency of some examples of Ru(II) polypyridyl complexes that have been reported and particularly used in the DSSCs applications. The main interest, however, is focused on showing the development of new polypyridine ligand materials containing long-range electron transfer motifs such as the alkenyl, alkynyl and polyaromatic donor functionalities.
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Karthikeyan S, Lee JY. Benzotriazole-based dyes containing a low band gap for dye-sensitised solar cells: a theoretical study. Mol Phys 2014. [DOI: 10.1080/00268976.2014.931606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Pastore M, Selloni A, Fantacci S, De Angelis F. Electronic and Optical Properties of Dye-Sensitized TiO2 Interfaces. Top Curr Chem (Cham) 2014; 347:1-45. [DOI: 10.1007/128_2013_507] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Karthikeyan S, Lee JY. Zinc-porphyrin based dyes for dye-sensitized solar cells. J Phys Chem A 2013; 117:10973-9. [PMID: 24090130 DOI: 10.1021/jp408473k] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
We have designed seven efficient sensitizers based on the zinc-porphyrin structure for dye sensitized solar cells (DSSCs). The geometries, electronic properties, light harvesting efficiency (LHE), and electronic absorption spectra of these sensitizers are studied using density functional theory (DFT) and time-dependent density functional theory (TD-DFT) calculations. We found that the designed sensitizers have smaller HOMO-LUMO energy with broadened and red-shifted absorption bands (300-1100 nm) having high molar extinction coefficient compared to the so far known best sensitizer (YD2-o-C8). The position of HOMO-LUMO energy level of these sensitizers ensures a positive effect on the process of electron injection and dye regeneration. Our theoretical calculations reveal that the new sensitizer can be used as a potential sensitizer for DSSCs compared to YD2-o-C8.
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Affiliation(s)
- S Karthikeyan
- Department of Chemistry, Sungkyunkwan University , Suwon, 440-746 Korea
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30
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Zhang CR, Han LH, Zhe JW, Jin NZ, Wang DB, Wang X, Wu YZ, Chen YH, Liu ZJ, Chen HS. Tuning the electronic structures and related properties of Ruthenium-based dye sensitizers by ligands: A theoretical study and design. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.05.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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31
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Effect of the chemical modifications of thiophene-based N3 dyes on the performance of dye-sensitized solar cells: A density functional theory study. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.03.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Keniley LK, Dupont N, Ray L, Ding J, Kovnir K, Hoyt JM, Hauser A, Shatruk M. Complexes with redox-active ligands: synthesis, structure, and electrochemical and photophysical behavior of the Ru(II) complex with TTF-annulated phenanthroline. Inorg Chem 2013; 52:8040-52. [PMID: 23795598 DOI: 10.1021/ic4006949] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ru(II) complexes with chelating ligands, 4',5'-ethylenedithiotetrathiafulvenyl[4,5-f][1,10]phenanthroline (L1), 1,3-dithiole-2-thiono[4,5-f][1,10]phenanthroline (L2), and 1,3-dithiole-2-ono[4,5-f][1,10]phenanthroline (L3), have been prepared and their structural, electrochemical, and photophysical properties investigated. Density functional theory (DFT) calculations indicate that the highest occupied molecular orbital of [Ru(bpy)2(L1)](PF6)2 (1) is located on the tetrathiafulvalene (TTF) subunit and appears ~0.6 eV above the three Ru-centered d orbitals. In agreement with this finding, 1 exhibits three reversible oxidations: the two at lower potentials take place on the TTF subunit, and the one at higher potential is due to the Ru(3+)/Ru(2+) redox couple. Complexes [Ru(bpy)2(L2)](PF6)2 (2) and [Ru(bpy)2(L3)](PF6)2 (3) exhibit only the Ru(3+)/Ru(2+)-related oxidation. The optical absorption spectra of all complexes reveal a characteristic metal-to-ligand charge transfer (MLCT) band centered around 450 nm. In addition, in the spectrum of 1 the MLCT band is augmented by a low-energy tail that extends beyond 500 nm and is attributed to the intraligand charge transfer (ILCT) transition of L1, according to time-dependent DFT calculations. The substantial decrease in the luminescence quantum yield of 1 compared to those of 2 and 3 is attributed to the reductive quenching of the emissive state via electron transfer from the TTF subunit to the Ru(3+) center, thus allowing nonradiative relaxation to the ground state through the lower-lying ILCT state. In the presence of O2, complex 1 undergoes a photoinduced oxidative cleavage of the central C═C bond of the TTF fragment, resulting in complete transformation to 3. This photodegradation process was studied with (13)C NMR and optical absorption spectroscopy.
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Affiliation(s)
- Lawrence K Keniley
- Department of Chemistry and Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306, USA
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33
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Das S, Karmakar S, Saha D, Baitalik S. A Combined Experimental and DFT/TD-DFT Investigation of Structural, Electronic, and Cation-Induced Switching of Photophysical Properties of Bimetallic Ru(II) and Os(II) Complexes Derived from Imidazole-4,5-Dicarboxylic Acid and 2,2′-Bipyridine. Inorg Chem 2013; 52:6860-79. [DOI: 10.1021/ic302566p] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Shyamal Das
- Department of Chemistry, Inorganic
Chemistry Section, Jadavpur University,
Kolkata - 700 032, India
| | - Srikanta Karmakar
- Department of Chemistry, Inorganic
Chemistry Section, Jadavpur University,
Kolkata - 700 032, India
| | - Debasish Saha
- Department of Chemistry, Inorganic
Chemistry Section, Jadavpur University,
Kolkata - 700 032, India
| | - Sujoy Baitalik
- Department of Chemistry, Inorganic
Chemistry Section, Jadavpur University,
Kolkata - 700 032, India
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34
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Electronic structures and spectral properties of rhenium (I) tricarbonyl cyclopenta[b]dipyridine complexes containing different aromatic ring groups. J Organomet Chem 2013. [DOI: 10.1016/j.jorganchem.2012.12.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Santhanamoorthi N, Lo CM, Jiang JC. Molecular Design of Porphyrins for Dye-Sensitized Solar Cells: A DFT/TDDFT Study. J Phys Chem Lett 2013; 4:524-530. [PMID: 26281749 DOI: 10.1021/jz302101j] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
To design efficient sensitizers for dye-sensitized solar cells (DSSCs), a series of porphyrin sensitizers with different electron-donating and withdrawing substituents are investigated using the density functional theory (DFT) and time-dependent DFT approach. We found that the designed dyes have smaller highest occupied molecular orbital to lowest unoccupied molecular orbital (HOMO-LUMO) energy gap values, and the absorption bands are broadened and shifted to longer wavelengths compared to the so far best sensitizer (YD2-o-C8). Importantly, our designed dyes have larger contributions of the anchoring group to the LUMOs, which enhance the electron injection process. Our calculation results indicated that the new systems should have better performance than the existing efficient dyes due to their improved optical properties.
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Affiliation(s)
- N Santhanamoorthi
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan, R.O.C
| | - Chien-Min Lo
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan, R.O.C
| | - Jyh-Chiang Jiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan, R.O.C
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36
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Johnson PS, Cook PL, Zegkinoglou I, García-Lastra JM, Rubio A, Ruther RE, Hamers RJ, Himpsel FJ. Electronic structure of Fe- vs. Ru-based dye molecules. J Chem Phys 2013; 138:044709. [DOI: 10.1063/1.4788617] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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37
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O’Donnell RM, Johansson PG, Abrahamsson M, Meyer GJ. Excited-State Relaxation of Ruthenium Polypyridyl Compounds Relevant to Dye-Sensitized Solar Cells. Inorg Chem 2013; 52:6839-48. [DOI: 10.1021/ic302339a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ryan M. O’Donnell
- Departments
of Chemistry and
Materials Science and Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Patrik G. Johansson
- Departments
of Chemistry and
Materials Science and Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Maria Abrahamsson
- Department of Chemical and Biological
Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Gerald J. Meyer
- Departments
of Chemistry and
Materials Science and Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
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38
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Pastore M, De Angelis F. Modeling Materials and Processes in Dye-Sensitized Solar Cells: Understanding the Mechanism, Improving the Efficiency. Top Curr Chem (Cham) 2013; 352:151-236. [DOI: 10.1007/128_2013_468] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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39
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Labat F, Le Bahers T, Ciofini I, Adamo C. First-principles modeling of dye-sensitized solar cells: challenges and perspectives. Acc Chem Res 2012; 45:1268-77. [PMID: 22497694 DOI: 10.1021/ar200327w] [Citation(s) in RCA: 188] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Since dye-sensitized solar cells (DSSCs) appeared as a promising inexpensive alternative to the traditional silicon-based solar cells, DSSCs have attracted a considerable amount of experimental and theoretical interest. In contrast with silicon-based solar cells, DSSCs use different components for the light-harvesting and transport functions, which allow researchers to fine-tune each material and, under ideal conditions, to optimize their overall performance in assembled devices. Because of the variety of elementary components present in these cells and their multiple possible combinations, this task presents experimental challenges. The photoconversion efficiencies obtained up to this point are still low, despite the significant experimental efforts spent in their optimization. The development of a low-cost and efficient computational protocol that could qualitatively (or even quantitatively) identify the promising semiconductors, dyes, and electrolytes, as well as their assembly, could save substantial experimental time and resources. In this Account, we describe our computational approach that allows us to understand and predict the different elementary mechanisms involved in DSSC working principles. We use this computational framework to propose an in silico route for the ab initio design of these materials. Our approach relies on a unique density functional theory (DFT) based model, which allows for an accurate and balanced treatment of electronic and spectroscopic properties in different phases (such as gas, solution, or interfaces) and avoids or minimizes spurious computational effects. Using this tool, we reproduced and predicted the properties of the isolated components of the DSSC assemblies. We accessed the microscopic measurable characteristics of the cells such as the short circuit current (J(sc)) or the open circuit voltage (V(oc)), which define the overall photoconversion efficiency of the cell. The absence of empirical or material-related parameters in our approach should allow for its wide application to the optimization of existing devices or the design of new ones.
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Affiliation(s)
- Frédéric Labat
- LECIME, Laboratoire d’Electrochimie, Chimie des Interfaces et Modélisation pour l’Energie, UMR 7575 CNRS, Ecole Nationale Supérieure de Chimie de Paris − Chimie ParisTech, 11 rue P. et M. Curie, 75231 Paris Cedex 05, France
- Institut Universitaire de France, 103 Boulevard Saint Michel, F-75005 Paris, France
| | - Tangui Le Bahers
- LECIME, Laboratoire d’Electrochimie, Chimie des Interfaces et Modélisation pour l’Energie, UMR 7575 CNRS, Ecole Nationale Supérieure de Chimie de Paris − Chimie ParisTech, 11 rue P. et M. Curie, 75231 Paris Cedex 05, France
- Institut Universitaire de France, 103 Boulevard Saint Michel, F-75005 Paris, France
| | - Ilaria Ciofini
- LECIME, Laboratoire d’Electrochimie, Chimie des Interfaces et Modélisation pour l’Energie, UMR 7575 CNRS, Ecole Nationale Supérieure de Chimie de Paris − Chimie ParisTech, 11 rue P. et M. Curie, 75231 Paris Cedex 05, France
- Institut Universitaire de France, 103 Boulevard Saint Michel, F-75005 Paris, France
| | - Carlo Adamo
- LECIME, Laboratoire d’Electrochimie, Chimie des Interfaces et Modélisation pour l’Energie, UMR 7575 CNRS, Ecole Nationale Supérieure de Chimie de Paris − Chimie ParisTech, 11 rue P. et M. Curie, 75231 Paris Cedex 05, France
- Institut Universitaire de France, 103 Boulevard Saint Michel, F-75005 Paris, France
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Das S, Saha D, Karmakar S, Baitalik S. Effect of pH on the Photophysical and Redox Properties of a Ruthenium(II) Mixed Chelate Derived from Imidazole-4,5-dicarboxylic Acid and 2,2′-Bipyridine: An Experimental and Theoretical Investigation. J Phys Chem A 2012; 116:5216-26. [DOI: 10.1021/jp300820p] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Shyamal Das
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
| | - Debasish Saha
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
| | - Srikanta Karmakar
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
| | - Sujoy Baitalik
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
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41
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Kämper S, Paretzki A, Fiedler J, Záliš S, Kaim W. Solar Cell Sensitizer Models [Ru(bpy-R)2(NCS)2] Probed by Spectroelectrochemistry. Inorg Chem 2012; 51:2097-104. [DOI: 10.1021/ic201825h] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sara Kämper
- Institut für
Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550 Stuttgart, Germany
| | - Alexa Paretzki
- Institut für
Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550 Stuttgart, Germany
| | - Jan Fiedler
- J. Heyrovský Institute
of Physical Chemistry, v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, CZ-18223 Prague,
Czech Republic
| | - Stanislav Záliš
- J. Heyrovský Institute
of Physical Chemistry, v.v.i., Academy of Sciences of the Czech Republic, Dolejškova 3, CZ-18223 Prague,
Czech Republic
| | - Wolfgang Kaim
- Institut für
Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70550 Stuttgart, Germany
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42
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Dong H, Zhou X, Jiang C. Molecular design and theoretical investigation on novel porphyrin derivatives for dye-sensitized solar cells. Theor Chem Acc 2012. [DOI: 10.1007/s00214-012-1102-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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43
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Jia C, Wan Z, Zhang J, Li Z, Yao X, Shi Y. Theoretical study of carbazole-triphenylamine-based dyes for dye-sensitized solar cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 86:387-391. [PMID: 22093522 DOI: 10.1016/j.saa.2011.10.053] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2011] [Revised: 09/28/2011] [Accepted: 10/23/2011] [Indexed: 05/31/2023]
Abstract
Three carbazole-triphenylamine-based dyes (D1, D2, D3) are designed. The geometries, electronic structures, and electronic absorption spectra of these dyes are studied by DFT and TD-DFT. The calculated geometries indicate that these dyes are all noncoplanar, which can help to inhibit the close intermolecular π-π aggregation effectively. The LUMO and HOMO energy levels of these dyes can be ensuring positive effect on the process of electron injection and dye regeneration. The trend of the calculated HOMO-LUMO gaps nicely compares with the spectral data. The calculated results of these dyes demonstrate that these dyes can be used as potential sensitizers for TiO(2) nanocrystalline solar cells.
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Affiliation(s)
- Chunyang Jia
- State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Microelectronics and Solid-State Electronics, University of Electronic Science and Technology of China, Chengdu 610054, PR China.
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Österman T, Abrahamsson M, Becker HC, Hammarström L, Persson P. Influence of Triplet State Multidimensionality on Excited State Lifetimes of Bis-tridentate RuII Complexes: A Computational Study. J Phys Chem A 2012; 116:1041-50. [DOI: 10.1021/jp207044a] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Tomas Österman
- Chemistry Department, Lund University, Box 124, SE-22100 Lund, Sweden
| | - Maria Abrahamsson
- Physical Chemistry, Department of Chemical and Biological Engineering, Chalmers University of Technology, SE-41296 Göteborg, Sweden
| | - Hans-Christian Becker
- Physical Chemistry, Department of Chemical and Biological Engineering, Chalmers University of Technology, SE-41296 Göteborg, Sweden
| | - Leif Hammarström
- Chemical Physics, Department of Photochemistry and Molecular Science, Uppsala University, Box 532, SE-75120 Uppsala, Sweden
| | - Petter Persson
- Chemistry Department, Lund University, Box 124, SE-22100 Lund, Sweden
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Das S, Saha D, Mardanya S, Baitalik S. A combined experimental and DFT/TDDFT investigation of structural, electronic, and pH-induced tuning of photophysical and redox properties of osmium(ii) mixed-chelates derived from imidazole-4,5-dicarboxylic acid and 2,2′-bipyridine. Dalton Trans 2012; 41:12296-310. [DOI: 10.1039/c2dt31321a] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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A computational approach to the electronic and optical properties of Ru(II) and Ir(III) polypyridyl complexes: Applications to DSC, OLED and NLO. Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2011.03.008] [Citation(s) in RCA: 151] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Jacquemin D, Mennucci B, Adamo C. Excited-state calculations with TD-DFT: from benchmarks to simulations in complex environments. Phys Chem Chem Phys 2011; 13:16987-98. [PMID: 21881657 DOI: 10.1039/c1cp22144b] [Citation(s) in RCA: 248] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In this perspective, we present an overview of recent progress on Time-Dependent Density Functional Theory (TD-DFT) with a specific focus on its accuracy and on models able to take into account environmental effects, including complex media. To this end, we first summarise recent benchmarks and define an average TD-DFT accuracy in reproducing excitation energies when a conventional approach is used. Next, coupling of TD-DFT with models able to account for different kinds of interactions between a central chromophore and nearby chemical objects (solvent, organic cage, metal as well as semi-conducting surface) is investigated. Examples of application to excitation properties are presented, allowing to briefly describe several recent computational strategies. In addition, an extension of TD-DFT to describe a phenomenon involving interacting chromophores, e.g. the electronic energy transfer (EET), is presented to illustrate that this methodology can be applied to processes beyond the vertical excitation. This perspective therefore aims to provide to non-specialists a flavour of recent trends in the field of simulations of excited states in "realistic" situations.
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Affiliation(s)
- Denis Jacquemin
- Chimie et Interdisciplinarité, Synthèse, Analyse, Modélisation (CEISAM), UMR CNRS no. 6230, BP 92208, Université de Nantes, 2, Rue de la Houssinière, 44322 Nantes Cedex 3, France.
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Andreiadis ES, Imbert D, Pécaut J, Calborean A, Ciofini I, Adamo C, Demadrille R, Mazzanti M. Phosphorescent Binuclear Iridium Complexes Based on Terpyridine–Carboxylate: An Experimental and Theoretical Study. Inorg Chem 2011; 50:8197-206. [DOI: 10.1021/ic200704s] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Eugen S. Andreiadis
- Laboratoire de Reconnaissance Ionique et Chimie de Coordination, SCIB, UMR-E 3 CEA/UJF-Grenoble 1, INAC, Grenoble, F-38054, France
| | - Daniel Imbert
- Laboratoire de Reconnaissance Ionique et Chimie de Coordination, SCIB, UMR-E 3 CEA/UJF-Grenoble 1, INAC, Grenoble, F-38054, France
| | - Jacques Pécaut
- Laboratoire de Reconnaissance Ionique et Chimie de Coordination, SCIB, UMR-E 3 CEA/UJF-Grenoble 1, INAC, Grenoble, F-38054, France
| | - Adrian Calborean
- Laboratoire d’Electrochimie, Chimie des Interfaces et Modélisation pour l′Energie (UMR CNRS 7575), Ecole Nationale Supérieure de Chimie de Paris, Chimie-ParisTech, 75231 Paris, France
| | - Ilaria Ciofini
- Laboratoire d’Electrochimie, Chimie des Interfaces et Modélisation pour l′Energie (UMR CNRS 7575), Ecole Nationale Supérieure de Chimie de Paris, Chimie-ParisTech, 75231 Paris, France
| | - Carlo Adamo
- Laboratoire d’Electrochimie, Chimie des Interfaces et Modélisation pour l′Energie (UMR CNRS 7575), Ecole Nationale Supérieure de Chimie de Paris, Chimie-ParisTech, 75231 Paris, France
| | - Renaud Demadrille
- Laboratoire d’Electronique Moléculaire Organique et Hybride, UMR5819-SPrAM, CEA-CNRS-University Grenoble I, INAC, CEA-Grenoble, 38054 Grenoble, France
| | - Marinella Mazzanti
- Laboratoire de Reconnaissance Ionique et Chimie de Coordination, SCIB, UMR-E 3 CEA/UJF-Grenoble 1, INAC, Grenoble, F-38054, France
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Minaev B, Minaeva V, Baryshnikov G, Girtu M, Agren H. IR, Raman and UV–vis spectra of the Ru(II) cyano complexes studied by DFT. MOLECULAR SIMULATION 2011. [DOI: 10.1080/08927022.2010.497921] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Ruthenium polypyridine complexes as sensitizers in NiO based p-type dye-sensitized solar cells: Effects of the anchoring groups. J Photochem Photobiol A Chem 2011. [DOI: 10.1016/j.jphotochem.2011.02.025] [Citation(s) in RCA: 108] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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