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Caricato M. A Perspective on the Simulation of Electronic Circular Dichroism and Circularly Polarized Luminescence Spectra in Chiral Solid Materials. J Phys Chem A 2024; 128:1197-1206. [PMID: 38295762 DOI: 10.1021/acs.jpca.3c08095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Chiral materials have shown tremendous potential for many technological applications, such as optoelectronics, sensing, magnetism, information technology, and imaging. Characterization of these materials is mostly based on chiroptical spectroscopies, such as electronic circular dichroism (ECD) and circularly polarized luminescence (CPL). These experimental measurements would greatly benefit from theoretical simulations for interpretation of the spectra as well as predictions on new materials. While ECD and CPL simulations are well established for molecular systems, they are not for materials. In this Perspective, we describe the theoretical quantities necessary to simulate ECD and CPL spectra in oriented systems. Then, we discuss the approximate strategies currently used to perform these calculations, what computational machinery is already available to develop more general approaches, and some of the open challenges for the simulation of ECD and CPL spectra in solid materials. When methods that are as reliable and computationally efficient as those for molecules are developed, these simulations will provide invaluable insight and guidance for the rational design of optically active materials.
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Affiliation(s)
- Marco Caricato
- Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, Kansas 66045, United States
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Tomar R, Bernasconi L, Fazzi D, Bredow T. Theoretical Study on the Optoelectronic Properties of Merocyanine-Dyes. J Phys Chem A 2023; 127:9661-9671. [PMID: 37962297 DOI: 10.1021/acs.jpca.3c04226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Merocyanines, as prototypes of highly polar π-conjugated molecules, have been intensively investigated for their self-assembly and optoelectronic properties, both experimentally and theoretically. However, an accurate description of their structural and electronic properties remains challenging for quantum-chemical methods. We assessed several theoretical approaches, TD-DFT, GW-BSE, STEOM-DLPNO-CCSD, and CASSCF/NEVPT2-FIC for their reliability in reproducing optoelectronic properties of a series of donor/acceptor (D/A) merocyanines, focusing on the first excitation energy. Additionally, we tested an all-electron perturbative method based on time-dependent coupled-perturbed density functional theory, denoted as TDCP-DFT. Particular focus was set on direct and indirect solvent effects, which affect excited-state energies by electrostatic interaction and molecular geometry. The molecular configuration space was sampled at the semiempirical tight-binding level. Our results corroborate previous investigations, showing that the S0 - S1 excitation energy strongly depends on the merocyanine molecular structure and the dielectric constant of the solvent. We found significant effects of the polar solution environment on the geometry of the merocyanines, which strongly affect the calculated excitation energies. Taking these effects into account, the best agreement between calculated and measured excitation energies was obtained with TDCP-DFT and GW-BSE. We also calculated excitation energies of molecular crystals at the TDCP-DFT level and compared the results to the corresponding monomers.
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Affiliation(s)
- Ritu Tomar
- Mulliken Center for Theoretical Chemistry, Clausius-Institut Für Physikalische und Theoretische Chemie, Universität Bonn, Beringstraße 4, Bonn 53115, Germany
| | - Leonardo Bernasconi
- Center for Research Computing and Department of Chemistry, University of Pittsburgh, 312, Schenley Place, 4420 Bayard Street, Pittsburgh, Pennsylvania 15260, United States
| | - Daniele Fazzi
- Dipartimento di Chimica "Giacomo Ciamician", Universitá di Bologna, Via F. Selmi 2, Bologna 40126, Italy
- Department of Chemistry, University of Cologne, Greinstrasse 4-6, 50939, Köln, Germany
| | - Thomas Bredow
- Mulliken Center for Theoretical Chemistry, Clausius-Institut Für Physikalische und Theoretische Chemie, Universität Bonn, Beringstraße 4, Bonn 53115, Germany
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Sun HY, Li SX, Jiang H. Pros and cons of the time-dependent hybrid density functional approach for calculating the optical spectra of solids: a case study of CeO 2. Phys Chem Chem Phys 2021; 23:16296-16306. [PMID: 34312647 DOI: 10.1039/d1cp02049h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The prediction of optical spectra of complex solids remains a great challenge for first-principles calculations due to the huge computational cost of the state-of-the-art many-body perturbation theory based GW-Bethe Salpeter equation (BSE) approach. An alternative method is the time-dependent density-functional theory (TDDFT) based on hybrid exchange-correlation functionals, which involves the essential ingredients of electron-hole interactions in its formalism in contrast to its local/semi-local functional counterparts. In this work, we investigate the optical absorption spectra of ceria (CeO2), a prototypical lanthanide oxide with a 4f0 configuration, utilizing TDDFT based on four well-established hybrid functionals for ground state DFT calculations. All four functionals reproduce well the excitonic features of the experimental optical spectra, in spite of the significant differences in their band structures arising from different hybridization parameters (i.e. the fraction of the Hartree-Fock exchange and the screening parameter). It is demonstrated that the apparently weak dependence of the resulting optical spectra on the employed functionals is quite universal and applies to simple semiconductors such as Si and GaAs and insulator LiF as well. This study highlights the feasibility of TDDFT based on existing hybrids to describe optical spectra of solids, and also, points out the difficulty of obtaining accurate exciton binding energies using these hybrid functionals due to the strong functional dependence of quasi-particle band structures.
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Affiliation(s)
- Huai-Yang Sun
- Beijing National Laboratory for Molecular Sciences, Institute of Theoretical and Computational Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
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Bartel CJ, Clary JM, Sutton C, Vigil-Fowler D, Goldsmith BR, Holder AM, Musgrave CB. Inorganic Halide Double Perovskites with Optoelectronic Properties Modulated by Sublattice Mixing. J Am Chem Soc 2020; 142:5135-5145. [PMID: 32088953 DOI: 10.1021/jacs.9b12440] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
All-inorganic halide double perovskites have emerged as a promising class of materials that are potentially more stable and less toxic than lead-containing hybrid organic-inorganic perovskite optoelectronic materials. In this work, 311 cesium chloride double perovskites (Cs2BB'Cl6) were selected from a set of 903 compounds as likely being stable on the basis of a statistically learned tolerance factor (τ) for perovskite stability. First-principles calculations on these 311 double perovskites were then performed to assess their stability and identify candidates with band gaps appropriate for optoelectronic applications. We predict that 261 of the 311 Cs2BB'Cl6 compounds are likely synthesizable on the basis of a thermodynamic analysis of their decomposition to competing compounds (decomposition enthalpy <0.05 eV/atom). Of these 261 likely synthesizable compounds, 47 contain no toxic elements and have direct or nearly direct (within 100 meV) band gaps between 1 and 3 eV, as computed with hybrid density functional theory (HSE06). Within this set, we identify the triple-alkali perovskites Cs2[Alk]+[TM]3+Cl6, where Alk is a group 1 alkali cation and TM is a transition-metal cation, as a class of Cs2BB'Cl6 double perovskites with remarkable optical properties, including large and tunable exciton binding energies as computed by the GW-Bethe-Salpeter equation (GW-BSE) method. We attribute the unusual electronic structure of these compounds to the mixing of the Alk-Cl and TM-Cl sublattices, leading to materials with small band gaps, large exciton binding energies, and absorption spectra that are strongly influenced by the identity of the transition metal. The role of the double-perovskite structure in enabling these unique properties is probed through an analysis of the electronic structures and chemical bonding of these compounds in comparison with other transition-metal and alkali transition-metal halides.
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Affiliation(s)
- Christopher J Bartel
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Jacob M Clary
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Christopher Sutton
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin, Germany
| | - Derek Vigil-Fowler
- Materials and Chemical Science and Technology Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Bryan R Goldsmith
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Aaron M Holder
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States.,Materials and Chemical Science and Technology Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States
| | - Charles B Musgrave
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States.,Materials and Chemical Science and Technology Center, National Renewable Energy Laboratory, Golden, Colorado 80401, United States.,Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States.,Renewable and Sustainable Energy Institute, University of Colorado Boulder, Boulder, Colorado 80309, United States.,Materials Science and Engineering Program, University of Colorado Boulder, Boulder, Colorado 80309, United States
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Fantuzzi F, Oliveira RR, Henkes AV, Rubayo-Soneira J, Nascimento MAC. Mechanistic Insights into the Formation of Lithium Fluoride Nanotubes. Chemistry 2019; 25:5269-5279. [PMID: 30868682 DOI: 10.1002/chem.201805991] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/14/2019] [Indexed: 12/07/2022]
Abstract
Born-Oppenheimer molecular dynamics (BOMD) and periodic density functional theory (DFT) calculations have been applied for describing the mechanism of formation of lithium fluoride (LiF) nanotubes with cubic, hexagonal, octagonal, decagonal, dodecagonal, and tetradecagonal cross-sections. It has been shown that high energy structures, such as nanowires, nanorings, nanosheets, and nanopolyhedra are transient species for the formation of stable nanotubes. Unprecedented (LiF)n clusters (n≤12) were also identified, some of them lying less than 10 kcal mol-[1] above their respective global minima. Such findings indicate that stochastic synthetic techniques, such as laser ablation and chemical vapor deposition, should be combined with a template-driven procedure in order to generate the nanotubes with adequate efficiency. Apart from the stepwise growth of LiF units, the formation of nanotubes was also studied by rolling up a planar square sheet monolayer, which could be hypothetically produced from the exfoliation of the FCC crystal structure. It was shown that both pathways could lead to the formation of alkali halide nanotubes, a still unprecedented set of one-dimensional materials.
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Affiliation(s)
- Felipe Fantuzzi
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos 149, 21941-909, Rio de Janeiro, Brazil.,Current Address: Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Ricardo R Oliveira
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos 149, 21941-909, Rio de Janeiro, Brazil
| | - Aline V Henkes
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos 149, 21941-909, Rio de Janeiro, Brazil
| | - Jesús Rubayo-Soneira
- Instituto Superior de Tecnologías y Ciencias Aplicadas (InSTEC), Universidad de La Habana, Ave. Salvador Allende No. 1110, Quinta de los Molinos, 10400, La Habana, Cuba
| | - Marco Antonio Chaer Nascimento
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Av. Athos da Silveira Ramos 149, 21941-909, Rio de Janeiro, Brazil
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Arhangelskis M, Jochym DB, Bernasconi L, Friščić T, Morris AJ, Jones W. Time-Dependent Density-Functional Theory for Modeling Solid-State Fluorescence Emission of Organic Multicomponent Crystals. J Phys Chem A 2018; 122:7514-7521. [DOI: 10.1021/acs.jpca.8b03481] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mihails Arhangelskis
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
- Department of Chemistry, McGill University, 801 Sherbrooke Street W., Montreal H3A 0B8, Québec, Canada
| | - Dominik B. Jochym
- STFC Rutherford Appleton Laboratory, Didcot OX11 0QX, United Kingdom
| | | | - Tomislav Friščić
- Department of Chemistry, McGill University, 801 Sherbrooke Street W., Montreal H3A 0B8, Québec, Canada
| | - Andrew J. Morris
- School of Metallurgy and Materials, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - William Jones
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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Bernasconi L, Brandao-Neto J. Radiation damage in X-ray crystallography: a quantum-mechanical study of photoinduced defect formation in beeswax-analogue n-eicosane crystals. Theor Chem Acc 2016. [DOI: 10.1007/s00214-015-1779-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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