1
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Duan K, Wang D, Yang M, Liu Z, Wang C, Tsuboi T, Deng C, Zhang Q. Weakly Conjugated Phosphine Oxide Hosts for Efficient Blue Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes. ACS APPLIED MATERIALS & INTERFACES 2020; 12:30591-30599. [PMID: 32459084 DOI: 10.1021/acsami.0c02800] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The development of host materials with high first-triplet state (T1) energy and high charge mobility is a key to achieve efficient true-blue organic light-emitting diodes (OLEDs), employing phosphorescence and thermally activated delayed fluorescence (TADF). An ether-bridged double triphenylphosphine oxide (TPPO) compound, bis(2-(diphenylphosphino)phenyl)ether oxide (DPEPO), was reported to have a very high T1 energy of 3.3 eV but suffers from poor charge mobility. Here, five bridge-controlled multi-TPPO derivatives were studied through a combination of experiments and theory. We demonstrate that the push-pull electron capability of the bridge group governs the T1 energy and electron mobility of these materials. Replacing the ether bridge by a bis(trifluoromethyl)methylene group can reduce the energy barrier for intramolecular electron exchange and consequently enhance the electron mobility by two orders of magnitude without lowering the T1 energy. A blue TADF OLED employing this bis(trifluoromethyl)methylene-bridged compound achieves the same high external quantum efficiency but a much higher current density compared to the control device employing DPEPO. In contrast, a bridge group with strong electron-withdrawing capability, such as phosphine oxygen or sulfone, lowers the T1 energy of the compound by enhancing the electronic coupling between TPPO subunits and inhibits intermolecular electron transfer by trapping the electron charge around the bridge.
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Affiliation(s)
- Ke Duan
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Dan Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Ming Yang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Ziyang Liu
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry and Center for Flexible Electronics Technology, Tsinghua University, Beijing 100084, China
| | - Chao Wang
- Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore
| | - Taiju Tsuboi
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chao Deng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Qisheng Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
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2
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Luo Y, Wächtler M, Barthelmes K, Winter A, Schubert US, Dietzek B. Superexchange in the fast lane - intramolecular electron transfer in a molecular triad occurs by conformationally gated superexchange. Chem Commun (Camb) 2019; 55:5251-5254. [PMID: 30990492 DOI: 10.1039/c9cc01886g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoinduced electron transfer via hopping is generally considered to have a stronger temperature dependence than electron transfer via superexchange. However, in this work, an opposite trend of the temperature dependence is observed. This unexpected result is rationalized by considering the specific geometrical and electronic structure of the Ru-bis(terpyridine) photosensitizer.
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Affiliation(s)
- Yusen Luo
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-University Jena, Helmholtzweg 4, 07743 Jena, Germany and Department Functional Interfaces, Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Straβe 9, 07745 Jena, Germany.
| | - Maria Wächtler
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-University Jena, Helmholtzweg 4, 07743 Jena, Germany and Department Functional Interfaces, Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Straβe 9, 07745 Jena, Germany.
| | - Kevin Barthelmes
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstraβe 10, 07743 Jena, Germany and Center for Energy and Environmental Chemistry Jena (CEEC Jena), Philosophenweg 7a, 07743 Jena, Germany
| | - Andreas Winter
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstraβe 10, 07743 Jena, Germany and Center for Energy and Environmental Chemistry Jena (CEEC Jena), Philosophenweg 7a, 07743 Jena, Germany
| | - Ulrich S Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Humboldtstraβe 10, 07743 Jena, Germany and Center for Energy and Environmental Chemistry Jena (CEEC Jena), Philosophenweg 7a, 07743 Jena, Germany
| | - Benjamin Dietzek
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-University Jena, Helmholtzweg 4, 07743 Jena, Germany and Department Functional Interfaces, Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Straβe 9, 07745 Jena, Germany. and Center for Energy and Environmental Chemistry Jena (CEEC Jena), Philosophenweg 7a, 07743 Jena, Germany
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3
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Luo Y, Tran JH, Wächtler M, Schulz M, Barthelmes K, Winter A, Rau S, Schubert US, Dietzek B. Remote control of electronic coupling – modification of excited-state electron-transfer rates in Ru(tpy)2-based donor–acceptor systems by remote ligand design. Chem Commun (Camb) 2019; 55:2273-2276. [DOI: 10.1039/c8cc10075f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Electronic coupling (HDA) underlying the electron transfer (ET) can be tuned by the remote substituents R.
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Affiliation(s)
- Yusen Luo
- Institute of Physical Chemistry and Abbe Center of Photonics
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Department Functional Interfaces
| | - Jens H. Tran
- Institute of Physical Chemistry and Abbe Center of Photonics
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
| | - Maria Wächtler
- Institute of Physical Chemistry and Abbe Center of Photonics
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Department Functional Interfaces
| | - Martin Schulz
- Institute of Physical Chemistry and Abbe Center of Photonics
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
| | - Kevin Barthelmes
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)
| | - Andreas Winter
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)
| | - Sven Rau
- Institute for Inorganic Chemistry I
- Ulm University
- 89081 Ulm
- Germany
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)
| | - Benjamin Dietzek
- Institute of Physical Chemistry and Abbe Center of Photonics
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Department Functional Interfaces
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4
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Christensen JA, Phelan BT, Chaudhuri S, Acharya A, Batista VS, Wasielewski MR. Phenothiazine Radical Cation Excited States as Super-oxidants for Energy-Demanding Reactions. J Am Chem Soc 2018; 140:5290-5299. [DOI: 10.1021/jacs.8b01778] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Joseph A. Christensen
- Department of Chemistry and Argonne−Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Brian T. Phelan
- Department of Chemistry and Argonne−Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Subhajyoti Chaudhuri
- Department of Chemistry and Argonne−Northwestern Solar Energy Research (ANSER) Center, Yale University, New Haven, Connecticut 06520, United States
| | - Atanu Acharya
- Department of Chemistry and Argonne−Northwestern Solar Energy Research (ANSER) Center, Yale University, New Haven, Connecticut 06520, United States
| | - Victor S. Batista
- Department of Chemistry and Argonne−Northwestern Solar Energy Research (ANSER) Center, Yale University, New Haven, Connecticut 06520, United States
| | - Michael R. Wasielewski
- Department of Chemistry and Argonne−Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
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5
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Li X, Markandeya N, Jonusauskas G, McClenaghan ND, Maurizot V, Denisov SA, Huc I. Photoinduced Electron Transfer and Hole Migration in Nanosized Helical Aromatic Oligoamide Foldamers. J Am Chem Soc 2016; 138:13568-13578. [DOI: 10.1021/jacs.6b05668] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Xuesong Li
- Univ. de Bordeaux, CBMN (UMR 5248), Institut Européen
de Chimie et Biologie, 2 rue Robert Escarpit, 33600 Pessac, France
- CNRS, CBMN (UMR 5248), Institut Européen
de Chimie et Biologie, 2 rue Robert Escarpit, 33600 Pessac, France
| | - Nagula Markandeya
- Univ. de Bordeaux, CBMN (UMR 5248), Institut Européen
de Chimie et Biologie, 2 rue Robert Escarpit, 33600 Pessac, France
- CNRS, CBMN (UMR 5248), Institut Européen
de Chimie et Biologie, 2 rue Robert Escarpit, 33600 Pessac, France
| | - Gediminas Jonusauskas
- Univ. de Bordeaux, Laboratoire Ondes et Matières
d’Aquitaine (UMR5798), 351 cours de la Libération, 33405 Talence cedex, France
| | - Nathan D. McClenaghan
- Univ. de Bordeaux, Institut des Sciences Moléculaires
(UMR5255), 351 cours de
la Libération, 33405 Talence cedex, France
| | - Victor Maurizot
- CNRS, CBMN (UMR 5248), Institut Européen
de Chimie et Biologie, 2 rue Robert Escarpit, 33600 Pessac, France
| | - Sergey A. Denisov
- Univ. de Bordeaux, Institut des Sciences Moléculaires
(UMR5255), 351 cours de
la Libération, 33405 Talence cedex, France
| | - Ivan Huc
- CNRS, CBMN (UMR 5248), Institut Européen
de Chimie et Biologie, 2 rue Robert Escarpit, 33600 Pessac, France
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6
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Kilgour M, Segal D. Charge transport in molecular junctions: From tunneling to hopping with the probe technique. J Chem Phys 2016; 143:024111. [PMID: 26178094 DOI: 10.1063/1.4926395] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
We demonstrate that a simple phenomenological approach can be used to simulate electronic conduction in molecular wires under thermal effects induced by the surrounding environment. This "Landauer-Büttiker's probe technique" can properly replicate different transport mechanisms, phase coherent nonresonant tunneling, ballistic behavior, and hopping conduction. Specifically, our simulations with the probe method recover the following central characteristics of charge transfer in molecular wires: (i) the electrical conductance of short wires falls off exponentially with molecular length, a manifestation of the tunneling (superexchange) mechanism. Hopping dynamics overtakes superexchange in long wires demonstrating an ohmic-like behavior. (ii) In off-resonance situations, weak dephasing effects facilitate charge transfer, but under large dephasing, the electrical conductance is suppressed. (iii) At high enough temperatures, kBT/ϵB > 1/25, with ϵB as the molecular-barrier height, the current is enhanced by a thermal activation (Arrhenius) factor. However, this enhancement takes place for both coherent and incoherent electrons and it does not readily indicate on the underlying mechanism. (iv) At finite-bias, dephasing effects may impede conduction in resonant situations. We further show that memory (non-Markovian) effects can be implemented within the Landauer-Büttiker's probe technique to model the interaction of electrons with a structured environment. Finally, we examine experimental results of electron transfer in conjugated molecular wires and show that our computational approach can reasonably reproduce reported values to provide mechanistic information.
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Affiliation(s)
- Michael Kilgour
- Chemical Physics Theory Group, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Dvira Segal
- Chemical Physics Theory Group, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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7
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Gilbert Gatty M, Kahnt A, Esdaile LJ, Hutin M, Anderson HL, Albinsson B. Hopping versus Tunneling Mechanism for Long-Range Electron Transfer in Porphyrin Oligomer Bridged Donor–Acceptor Systems. J Phys Chem B 2015; 119:7598-611. [DOI: 10.1021/jp5115064] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Mélina Gilbert Gatty
- Department
of Chemistry and Chemical Engineering/Physical Chemistry, Chalmers University of Technology, 412 96 Göteborg, Sweden
| | - Axel Kahnt
- Department
of Chemistry and Chemical Engineering/Physical Chemistry, Chalmers University of Technology, 412 96 Göteborg, Sweden
| | - Louisa J. Esdaile
- Department
of Chemistry, Oxford University, Chemistry Research Laboratory, 12
Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Marie Hutin
- Department
of Chemistry, Oxford University, Chemistry Research Laboratory, 12
Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Harry L. Anderson
- Department
of Chemistry, Oxford University, Chemistry Research Laboratory, 12
Mansfield Road, Oxford OX1 3TA, United Kingdom
| | - Bo Albinsson
- Department
of Chemistry and Chemical Engineering/Physical Chemistry, Chalmers University of Technology, 412 96 Göteborg, Sweden
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8
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Wohlgamuth CH, McWilliams MA, Slinker JD. DNA as a molecular wire: distance and sequence dependence. Anal Chem 2013; 85:8634-40. [PMID: 23964773 DOI: 10.1021/ac401229q] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Functional nanowires and nanoelectronics are sought for their use in next generation integrated circuits, but several challenges limit the use of most nanoscale devices on large scales. DNA has great potential for use as a molecular wire due to high yield synthesis, near-unity purification, and nanoscale self-organization. Nonetheless, a thorough understanding of ground state DNA charge transport (CT) in electronic configurations under biologically relevant conditions, where the fully base-paired, double-helical structure is preserved, is lacking. Here, we explore the fundamentals of CT through double-stranded DNA monolayers on gold by assessing 17 base pair bridges at discrete points with a redox active probe conjugated to a modified thymine. This assessment is performed under temperature-controlled and biologically relevant conditions with cyclic and square wave voltammetry, and redox peaks are analyzed to assess transfer rate and yield. We demonstrate that the yield of transport is strongly tied to the stability of the duplex, linearly correlating with the melting temperature. Transfer rate is found to be temperature-activated and to follow an inverse distance dependence, consistent with a hopping mechanism of transport. These results establish the governing factors of charge transfer speed and throughput in DNA molecular wires for device configurations, guiding subsequent application for nanoscale electronics.
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Affiliation(s)
- Chris H Wohlgamuth
- Department of Physics, The University of Texas at Dallas , 800 W. Campbell Rd., EC 36, Richardson, Texas 75080, United States
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9
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Zamadar M, Cook AR, Lewandowska-Andralojc A, Holroyd R, Jiang Y, Bikalis J, Miller JR. Electron Transfer by Excited Benzoquinone Anions: Slow Rates for Two-Electron Transitions. J Phys Chem A 2013; 117:8360-7. [DOI: 10.1021/jp403113u] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Matibur Zamadar
- Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973-5000,
United States
| | - Andrew R. Cook
- Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973-5000,
United States
| | | | - Richard Holroyd
- Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973-5000,
United States
| | - Yan Jiang
- Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973-5000,
United States
| | - Jin Bikalis
- Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973-5000,
United States
| | - John R. Miller
- Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973-5000,
United States
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10
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Tsuchiya T, Jakubikova E. Role of Noncoplanar Conformation in Facilitating Ground State Hole Transfer in Oxidized Porphyrin Dyads. J Phys Chem A 2012; 116:10107-14. [DOI: 10.1021/jp307285z] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takashi Tsuchiya
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695, United
States
| | - Elena Jakubikova
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695, United
States
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11
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Ricks AB, Brown KE, Wenninger M, Karlen SD, Berlin YA, Co DT, Wasielewski MR. Exponential distance dependence of photoinitiated stepwise electron transfer in donor-bridge-acceptor molecules: implications for wirelike behavior. J Am Chem Soc 2012; 134:4581-8. [PMID: 22335614 DOI: 10.1021/ja205913q] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Donor-bridge-acceptor (D-B-A) systems in which a 3,5-dimethyl-4-(9-anthracenyl)julolidine (DMJ-An) chromophore and a naphthalene-1,8:4,5-bis(dicarboximide) (NI) acceptor are linked by oligomeric 2,7-fluorenone (FN(n)) bridges (n = 1-3) have been synthesized. Selective photoexcitation of DMJ-An quantitatively produces DMJ(+•)-An(-•), and An(-•) acts as a high-potential electron donor. Femtosecond transient absorption spectroscopy in the visible and mid-IR regions showed that electron transfer occurs quantitatively in the sequence: DMJ(+•)-An(-•)-FN(n)-NI → DMJ(+•)-An-FN(n)(-•)-NI → DMJ(+•)-An-FN(n)-NI(-•). The charge-shift reaction from An(-•) to NI(-•) exhibits an exponential distance dependence in the nonpolar solvent toluene with an attenuation factor (β) of 0.34 Å(-1), which would normally be attributed to electron tunneling by the superexchange mechanism. However, the FN(n)(-•) radical anion was directly observed spectroscopically as an intermediate in the charge-separation mechanism, thereby demonstrating conclusively that the overall charge separation involves the incoherent hopping (stepwise) mechanism. Kinetic modeling of the data showed that the observed exponential distance dependence is largely due to electron injection onto the first FN unit followed by charge hopping between the FN units of the bridge biased by the distance-dependent electrostatic attraction of the two charges in D(+•)-B(-•)-A. This work shows that wirelike behavior does not necessarily result from building a stepwise, energetically downhill redox gradient into a D-B-A molecule.
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Affiliation(s)
- Annie Butler Ricks
- Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
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12
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Voityuk AA. Long-Range Electron Transfer in Biomolecules. Tunneling or Hopping? J Phys Chem B 2011; 115:12202-7. [DOI: 10.1021/jp2054876] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Alexander A. Voityuk
- Institució Catalana de Recerca i Estudis Avançats (ICREA) and Institute of Computational Chemistry, Universitat de Girona, Spain
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13
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Kahnt A, Kärnbratt J, Esdaile LJ, Hutin M, Sawada K, Anderson HL, Albinsson B. Temperature dependence of charge separation and recombination in porphyrin oligomer-fullerene donor-acceptor systems. J Am Chem Soc 2011; 133:9863-71. [PMID: 21595470 PMCID: PMC3119959 DOI: 10.1021/ja2019367] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2011] [Indexed: 01/12/2023]
Abstract
Electron-transfer reactions are fundamental to many practical devices, but because of their complexity, it is often very difficult to interpret measurements done on the complete device. Therefore, studies of model systems are crucial. Here the rates of charge separation and recombination in donor-acceptor systems consisting of a series of butadiyne-linked porphyrin oligomers (n = 1-4, 6) appended to C(60) were investigated. At room temperature, excitation of the porphyrin oligomer led to fast (5-25 ps) electron transfer to C(60) followed by slower (200-650 ps) recombination. The temperature dependence of the charge-separation reaction revealed a complex process for the longer oligomers, in which a combination of (i) direct charge separation and (ii) migration of excitation energy along the oligomer followed by charge separation explained the observed fluorescence decay kinetics. The energy migration is controlled by the temperature-dependent conformational dynamics of the longer oligomers and thereby limits the quantum yield for charge separation. Charge recombination was also studied as a function of temperature through measurements of femtosecond transient absorption. The temperature dependence of the electron-transfer reactions could be successfully modeled using the Marcus equation through optimization of the electronic coupling (V) and the reorganization energy (λ). For the charge-separation rate, all of the donor-acceptor systems could be successfully described by a common electronic coupling, supporting a model in which energy migration is followed by charge separation. In this respect, the C(60)-appended porphyrin oligomers are suitable model systems for practical charge-separation devices such as bulk-heterojunction solar cells, where conformational disorder strongly influences the electron-transfer reactions and performance of the device.
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Affiliation(s)
- Axel Kahnt
- Physical Chemistry, Department of Chemical and Biological Engineering, Chalmers University of Technology, Kemivägen 3, 412 96 Göteborg, Sweden
| | - Joakim Kärnbratt
- Physical Chemistry, Department of Chemical and Biological Engineering, Chalmers University of Technology, Kemivägen 3, 412 96 Göteborg, Sweden
| | - Louisa J. Esdaile
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Marie Hutin
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Katsutoshi Sawada
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Harry L. Anderson
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Bo Albinsson
- Physical Chemistry, Department of Chemical and Biological Engineering, Chalmers University of Technology, Kemivägen 3, 412 96 Göteborg, Sweden
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14
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Genereux JC, Wuerth SM, Barton JK. Single-step charge transport through DNA over long distances. J Am Chem Soc 2011; 133:3863-8. [PMID: 21348520 DOI: 10.1021/ja107033v] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Quantum yields for charge transport across adenine tracts of increasing length have been measured by monitoring hole transport in synthetic oligonucleotides between photoexcited 2-aminopurine, a fluorescent analogue of adenine, and N(2)-cyclopropyl guanine. Using fluorescence quenching, a measure of hole injection, and hole trapping by the cyclopropyl guanine derivative, we separate the individual contributions of single- and multistep channels to DNA charge transport and find that with 7 or 8 intervening adenines the charge transport is a coherent, single-step process. Moreover, a transition occurs from multistep to single-step charge transport with increasing donor/acceptor separation, opposite to that generally observed in molecular wires. These results establish that coherent transport through DNA occurs preferentially across 10 base pairs, favored by delocalization over a full turn of the helix.
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Affiliation(s)
- Joseph C Genereux
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
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15
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Scott AM, Wasielewski MR. Temperature Dependence of Spin-Selective Charge Transfer Pathways in Donor−Bridge−Acceptor Molecules with Oligomeric Fluorenone and p-Phenylethynylene Bridges. J Am Chem Soc 2011; 133:3005-13. [DOI: 10.1021/ja1095649] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Amy M. Scott
- Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Michael R. Wasielewski
- Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
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16
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Miura T, Wasielewski MR. Manipulating Photogenerated Radical Ion Pair Lifetimes in Wirelike Molecules Using Microwave Pulses: Molecular Spintronic Gates. J Am Chem Soc 2011; 133:2844-7. [DOI: 10.1021/ja110789q] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tomoaki Miura
- Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Michael R. Wasielewski
- Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
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17
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Walther ME, Grilj J, Hanss D, Vauthey E, Wenger OS. Photoinduced Processes in Fluorene-Bridged Rhenium-Phenothiazine Dyads - Comparison of Electron Transfer Across Fluorene, Phenylene, and Xylene Bridges. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000645] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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18
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Diers JR, Taniguchi M, Holten D, Lindsey JS, Bocian DF. Probing the Rate of Hole Transfer in Oxidized Porphyrin Dyads Using Thallium Hyperfine Clocks. J Am Chem Soc 2010; 132:12121-32. [DOI: 10.1021/ja105082d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- James R. Diers
- Departments of Chemistry, University of California, Riverside, California 92521-0403, North Carolina State University, Raleigh, North Carolina 27695-8204, and Washington University, St. Louis, Missouri 63130-4889
| | - Masahiko Taniguchi
- Departments of Chemistry, University of California, Riverside, California 92521-0403, North Carolina State University, Raleigh, North Carolina 27695-8204, and Washington University, St. Louis, Missouri 63130-4889
| | - Dewey Holten
- Departments of Chemistry, University of California, Riverside, California 92521-0403, North Carolina State University, Raleigh, North Carolina 27695-8204, and Washington University, St. Louis, Missouri 63130-4889
| | - Jonathan S. Lindsey
- Departments of Chemistry, University of California, Riverside, California 92521-0403, North Carolina State University, Raleigh, North Carolina 27695-8204, and Washington University, St. Louis, Missouri 63130-4889
| | - David F. Bocian
- Departments of Chemistry, University of California, Riverside, California 92521-0403, North Carolina State University, Raleigh, North Carolina 27695-8204, and Washington University, St. Louis, Missouri 63130-4889
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Hines T, Diez-Perez I, Hihath J, Liu H, Wang ZS, Zhao J, Zhou G, Müllen K, Tao N. Transition from Tunneling to Hopping in Single Molecular Junctions by Measuring Length and Temperature Dependence. J Am Chem Soc 2010; 132:11658-64. [DOI: 10.1021/ja1040946] [Citation(s) in RCA: 165] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thomas Hines
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Ismael Diez-Perez
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Joshua Hihath
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Hongmei Liu
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Zhong-Sheng Wang
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Jianwei Zhao
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Gang Zhou
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Klaus Müllen
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Nongjian Tao
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, Arizona 85287, Key Laboratory of Analytical Chemistry for Life Science (MOE), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210008, China, Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China, and Max-Planck-Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
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Liao C, Yarnell JE, Glusac KD, Schanze KS. Photoinduced Charge Separation in Platinum Acetylide Oligomers. J Phys Chem B 2010; 114:14763-71. [DOI: 10.1021/jp103531y] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Chen Liao
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, and Department of Chemistry, Bowling Green State University, Bowling Green, Ohio 43403
| | - James E. Yarnell
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, and Department of Chemistry, Bowling Green State University, Bowling Green, Ohio 43403
| | - Ksenija D. Glusac
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, and Department of Chemistry, Bowling Green State University, Bowling Green, Ohio 43403
| | - Kirk S. Schanze
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, and Department of Chemistry, Bowling Green State University, Bowling Green, Ohio 43403
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Affiliation(s)
- Joseph C. Genereux
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125
| | - Jacqueline K. Barton
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125
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Pålsson LO, Wang C, Batsanov A, King S, Beeby A, Monkman A, Bryce M. Efficient Intramolecular Charge Transfer in Oligoyne-Linked Donor-π-Acceptor Molecules. Chemistry 2010; 16:1470-9. [DOI: 10.1002/chem.200902099] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Bravaya KB, Kostko O, Ahmed M, Krylov AI. The effect of π-stacking, H-bonding, and electrostatic interactions on the ionization energies of nucleic acid bases: adenine–adenine, thymine–thymine and adenine–thymine dimers. Phys Chem Chem Phys 2010; 12:2292-307. [DOI: 10.1039/b919930f] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Saito K, Sumi H. Unified expression for the rate constant of the bridged electron transfer derived by renormalization. J Chem Phys 2009; 131:134101. [PMID: 19814537 DOI: 10.1063/1.3223280] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Electron transfer (ET) from a donor to an acceptor through an energetically close intermediary state on a midway molecule is a process found often in natural and artificial solar-energy capturing systems such as photosynthesis. This process has often been thought of in terms of opposing "superexchange" and "sequential or hopping" mechanisms, and the recent theory of Sumi and Kakitani (SK) [J. Phys. Chem. B 105, 9603 (2001)] has shown an interpolation between these mechanisms. In their theory, however, dynamics governing the most interesting intermediary region between them has artificially been introduced by phenomenologies. The dynamics is played by decoherence among electronic states, their decay, and thermalization of phonons in the medium. The present work clarifies the dynamics on a microscopic basis by means of renormalization in electronic coupling among the states, and gives a complete unified expression of the rate constant of the ET. It merges to that given by the SK theory in the semiclassical approximation for phonons interacting with an electron transferred.
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Affiliation(s)
- Keisuke Saito
- Institute of Materials Science, University of Tsukuba, Tsukuba 305-8573, Japan.
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Song HE, Taniguchi M, Diers JR, Kirmaier C, Bocian DF, Lindsey JS, Holten D. Linker Dependence of Energy and Hole Transfer in Neutral and Oxidized Multiporphyrin Arrays. J Phys Chem B 2009; 113:16483-93. [DOI: 10.1021/jp9072558] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hee-eun Song
- Department of Chemistry, Washington University, St. Louis, Missouri 63130-4889, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, and Department of Chemistry, University of California Riverside, Riverside, California 92521-0403
| | - Masahiko Taniguchi
- Department of Chemistry, Washington University, St. Louis, Missouri 63130-4889, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, and Department of Chemistry, University of California Riverside, Riverside, California 92521-0403
| | - James R. Diers
- Department of Chemistry, Washington University, St. Louis, Missouri 63130-4889, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, and Department of Chemistry, University of California Riverside, Riverside, California 92521-0403
| | - Christine Kirmaier
- Department of Chemistry, Washington University, St. Louis, Missouri 63130-4889, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, and Department of Chemistry, University of California Riverside, Riverside, California 92521-0403
| | - David F. Bocian
- Department of Chemistry, Washington University, St. Louis, Missouri 63130-4889, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, and Department of Chemistry, University of California Riverside, Riverside, California 92521-0403
| | - Jonathan S. Lindsey
- Department of Chemistry, Washington University, St. Louis, Missouri 63130-4889, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, and Department of Chemistry, University of California Riverside, Riverside, California 92521-0403
| | - Dewey Holten
- Department of Chemistry, Washington University, St. Louis, Missouri 63130-4889, Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695-8204, and Department of Chemistry, University of California Riverside, Riverside, California 92521-0403
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26
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Hanss D, Wenger OS. Conformational Effects on Long-Range Electron Transfer: Comparison of Oligo-p-phenylene and Oligo-p-xylene Bridges. Eur J Inorg Chem 2009. [DOI: 10.1002/ejic.200900396] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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27
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An Z, Odom SA, Kelley RF, Huang C, Zhang X, Barlow S, Padilha LA, Fu J, Webster S, Hagan DJ, Van Stryland EW, Wasielewski MR, Marder SR. Synthesis and Photophysical Properties of Donor- and Acceptor-Substituted 1,7-Bis(arylalkynyl)perylene-3,4:9,10-bis(dicarboximide)s. J Phys Chem A 2009; 113:5585-93. [DOI: 10.1021/jp900152r] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zesheng An
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Susan A. Odom
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Richard F. Kelley
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Chun Huang
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Xuan Zhang
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Stephen Barlow
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Lazaro A. Padilha
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Jie Fu
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Scott Webster
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - David J. Hagan
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Eric W. Van Stryland
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Michael R. Wasielewski
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
| | - Seth R. Marder
- School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, Atlanta, Georgia 30332-0400, Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, and CREOL & FPCE, The College of Optics and Photonics and Department of Physics, University of Central Florida, Orlando, Florida 32816-2700
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Guo J, Liang Y, Xiao S, Szarko JM, Sprung M, Mukhopadhyay MK, Wang J, Yu L, Chen LX. Structure and dynamics correlations of photoinduced charge separation in rigid conjugated linear donor–acceptor dyads towards photovoltaic applications. NEW J CHEM 2009. [DOI: 10.1039/b821941a] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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