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Brush-like Polyaniline with Optical and Electroactive Properties at Neutral pH and High Temperature. Int J Mol Sci 2022; 23:ijms23158085. [PMID: 35897666 PMCID: PMC9330365 DOI: 10.3390/ijms23158085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/14/2022] [Accepted: 07/19/2022] [Indexed: 02/06/2023] Open
Abstract
In this research, a brush-like polyaniline (poly(2-acrylamide-2-methyl-1-propanesulfonate)-g-polyaniline)-b-poly(N-vinylcarbazole) (BL PAni) was developed as a strategy to overcome the limited processability and dedoping above pH 4 of conventional polyaniline (PAni). For the BL PAni synthesis, RAFT polymerization (homopolymer), RAFT-mediated surfactant-free emulsion polymerization (block copolymer), and interfacial oxidative polymerization were applied to graft the PAni chains. NMR and FT-IR spectroscopies were performed to confirm the structural elucidation of the reaction pathways, while the thermal properties were analyzed by TGA and DSC. Notably, the BL PAni presents absorption throughout the visible region and up to the near-infrared, showing dedoping resistance at up to 80 °C and at a neutral pH. The absorption range of the BL PAni, block copolymer, and homopolymer were studied by UV–Vis spectroscopy in solid-state and dispersion/solution, highlighting BL PAni and poly(anilinium 2-acrylamide-2-methyl-1-propanesulfonate)-b-poly(N-vinylcarbazole) (PAAMP-b-PVK) due to the π-stacking between the anilinium and carbazole groups. The cyclic voltammetry confirmed the persistence of electroactivity at a pH near 7.
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2
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Direct ionization-driven observational approaches for radical cation formation in solution for pulse radiolysis. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Nishiuchi T, Sotome H, Shimizu K, Miyasaka H, Kubo T. 1,2,3-Tri(9-anthryl)benzene: Photophysical Properties and Solid State Intermolecular Interactions of Radially Arranged, Congested Aromatic π-Planes. Chemistry 2021; 28:e202104245. [PMID: 34910331 DOI: 10.1002/chem.202104245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Indexed: 11/12/2022]
Abstract
We report the Negishi coupling based synthesis of 1,2,3-tri(9-anthryl)benzene derivatives, containing three radially arranged anthracenes in a π-cluster. In the crystalline state of the unsubstituted derivative, intermolecular π-π and CH-π interactions between the anthracene units drive the formation of a two-dimensional packing structure. Owing to though-space π-conjugation between anthracene units, the substances have unique electronic properties. The excited state dynamic behavior occurring between the three radially arranged anthracene moieties, such as exciton localization/delocalization, was elucidated by means of transient absorption measurements and quantum chemical calculations. Interestingly, even though the three anthracenes are closely oriented with a ca. 3.0 Å distances between their C-9 positions, exciton localization on two anthracene units is energetically favorable because of the flexible nature of the radially arranged aromatic rings.
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Affiliation(s)
- Tomohiko Nishiuchi
- Osaka University, Department of Chemistry, 1-1 Machikaneyama, Toyonaka, 560-0043, Osaka, JAPAN
| | - Hikaru Sotome
- Osaka University: Osaka Daigaku, Graduate School of Engineering Science, 1-3 Machikaneyama, 560-8531, Toyonaka, JAPAN
| | - Kazuto Shimizu
- Osaka University School of Science Graduate School of Science: Osaka Daigaku Daigakuin Rigaku Kenkyuka Rigakubu, Chemistry, 1-1 Machikaneyama, 560-0043, Toyonaka, JAPAN
| | - Hiroshi Miyasaka
- Osaka University - Toyonaka Campus: Osaka Daigaku - Toyonaka Campus, Graduate School of Engineering Science, 560-8531, Toyonaka, JAPAN
| | - Takashi Kubo
- Osaka University School of Science Graduate School of Science: Osaka Daigaku Daigakuin Rigaku Kenkyuka Rigakubu, Chemistry, 1-1 Machikaneyama, 560-0043, Toyonaka, JAPAN
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Takaya T, Oda T, Shibazaki Y, Hayashi Y, Shimomoto H, Ihara E, Ishibashi Y, Asahi T, Iwata K. Excited-State Dynamics of Pyrene Incorporated into Poly(substituted methylene)s: Effects of Dense Packing of Pyrenes on Excimer Formation. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01060] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Tomohisa Takaya
- Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan
| | - Tatsuya Oda
- Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Yuki Shibazaki
- Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Yumiko Hayashi
- Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Hiroaki Shimomoto
- Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Eiji Ihara
- Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Yukihide Ishibashi
- Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Tsuyoshi Asahi
- Department of Materials Science and Biotechnology, Graduate School of Science and Engineering, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan
| | - Koichi Iwata
- Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588, Japan
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Ivanov MV, Reilly N, Uhler B, Kokkin D, Rathore R, Reid SA. Cofacially Arrayed Polyfluorenes: Spontaneous Formation of π-Stacked Assemblies in the Gas Phase. J Phys Chem Lett 2017; 8:5272-5276. [PMID: 29020769 DOI: 10.1021/acs.jpclett.7b02627] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Understanding geometrical and size dependencies of through-space charge delocalization in multichromophoric systems is critical to model electron transfer and transport in materials and biomolecules. In this work, we examine the size evolution of hole delocalization in van der Waals clusters of fluorene (i.e., (F)n), where a range of geometries are possible, reflecting both π-stacking and C-H/π interactions. Using mass-selected two-color resonant two-photon ionization spectroscopy (2CR2PI), we measure electronic spectra and vertical ionization potentials (IPs) in the gas phase. Results are compared with model covalently linked assemblies (denoted Fn), exhibiting a sterically enforced cofacial (i.e., π-stacked) orientation of chromophores. For both systems, an inverse size dependence (i.e., 1/n) of IP vs cluster size is found. Surprisingly, the values for the two sets fall on the same line! This trend is examined via theory, which emphasizes the important role of π-stacking, and its geometrical dependencies, in the process of hole delocalization in multichromophoric assemblies.
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Affiliation(s)
- Maxim V Ivanov
- Department of Chemistry, Marquette University , Milwaukee, Wisconsin 53233, United States
| | - Neil Reilly
- Department of Chemistry, Marquette University , Milwaukee, Wisconsin 53233, United States
| | - Brandon Uhler
- Department of Chemistry, Marquette University , Milwaukee, Wisconsin 53233, United States
| | - Damian Kokkin
- Department of Chemistry, Marquette University , Milwaukee, Wisconsin 53233, United States
| | - Rajendra Rathore
- Department of Chemistry, Marquette University , Milwaukee, Wisconsin 53233, United States
| | - Scott A Reid
- Department of Chemistry, Marquette University , Milwaukee, Wisconsin 53233, United States
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Mishra AK, Young RM, Wasielewski MR, Lewis FD. Wirelike Charge Transport Dynamics for DNA–Lipid Complexes in Chloroform. J Am Chem Soc 2014; 136:15792-7. [DOI: 10.1021/ja509456q] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ashutosh Kumar Mishra
- Department of Chemistry and
Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
| | - Ryan M. Young
- 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
| | - Frederick D. Lewis
- Department of Chemistry and
Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern University, Evanston, Illinois 60208-3113, United States
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Direct detection of electron transfer processes in photoconductive poly(N-vinylcarbazole) solid film doped with electron acceptors: Temperature dependence of femtosecond to microsecond dynamics. J Photochem Photobiol A Chem 2012. [DOI: 10.1016/j.jphotochem.2012.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Katayama T, Ishibashi Y, Morii Y, Ley C, Brazard J, Lacombat F, Plaza P, Martin MM, Miyasaka H. Ultrafast delocalization of cationic states in poly(N-vinylcarbazole) solid leading to carrier photogeneration. Phys Chem Chem Phys 2010; 12:4560-3. [PMID: 20428534 DOI: 10.1039/b925461g] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Femtosecond measurements of the transient dichroism and near-IR time-resolved spectra revealed the ultrafast delocalization of the cationic state in poly(N-vinylcarbazole), leading to carrier photogeneration.
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Affiliation(s)
- Tetsuro Katayama
- Division of Frontier Materials Science, Graduate School of Engineering Science, Osaka University and CREST, JST Toyonaka, 560-8531, Osaka, Japan
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Song HE, Taniguchi M, Kirmaier C, Bocian DF, Lindsey JS, Holten D. Probing Ground-state Hole Transfer Between Equivalent, Electrochemically Inaccessible States in Multiporphyrin Arrays Using Time-resolved Optical Spectroscopy. Photochem Photobiol 2009; 85:693-704. [DOI: 10.1111/j.1751-1097.2008.00471.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Nakato T, Yamada Y, Miyamoto N. Photoinduced Charge Separation in a Colloidal System of Exfoliated Layered Semiconductor Controlled by Coexisting Aluminosilicate Clay. J Phys Chem B 2009; 113:1323-31. [DOI: 10.1021/jp807214w] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Teruyuki Nakato
- Division of Bio-Applications and Systems Engineering (BASE), Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei-shi, Tokyo 184-8588, Japan, and Department of Life, Environment, and Materials Science, Faculty of Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka-shi, Fukuoka 811-0295, Japan
| | - Yoshimi Yamada
- Division of Bio-Applications and Systems Engineering (BASE), Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei-shi, Tokyo 184-8588, Japan, and Department of Life, Environment, and Materials Science, Faculty of Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka-shi, Fukuoka 811-0295, Japan
| | - Nobuyoshi Miyamoto
- Division of Bio-Applications and Systems Engineering (BASE), Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei-shi, Tokyo 184-8588, Japan, and Department of Life, Environment, and Materials Science, Faculty of Engineering, Fukuoka Institute of Technology, 3-30-1 Wajiro-higashi, Higashi-ku, Fukuoka-shi, Fukuoka 811-0295, Japan
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Song HE, Kirmaier C, Taniguchi M, Diers JR, Bocian DF, Lindsey JS, Holten D. Determination of Ground-State Hole-Transfer Rates Between Equivalent Sites in Oxidized Multiporphyrin Arrays Using Time-Resolved Optical Spectroscopy. J Am Chem Soc 2008; 130:15636-48. [DOI: 10.1021/ja805673m] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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
| | - 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
| | - 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
| | - 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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Zeidan TA, Wang Q, Fiebig T, Lewis FD. Molecular Wire Behavior in π-Stacked Donor-Bridge-Acceptor Tertiary Arylureas. J Am Chem Soc 2007; 129:9848-9. [PMID: 17658811 DOI: 10.1021/ja073219n] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tarek A Zeidan
- Department of Chemistry, Northwestern University, Evanston, IL 60208-3113, USA
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Pulse radiolysis of polystyrene in cyclohexane – Effect of carbon tetrachloride on kinetic dynamics of dimer radical cation−. Chem Phys Lett 2006. [DOI: 10.1016/j.cplett.2006.05.115] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Hara M, Samori S, Cai X, Tojo S, Arai T, Momotake A, Hayakawa J, Uda M, Kawai K, Endo M, Fujitsuka M, Majima T. Inhibition of the Formation and Decay of Stilbene Core Radical Cations by the Dendron during the Photoinduced Electron Transfer. J Phys Chem B 2004; 109:973-6. [PMID: 16866467 DOI: 10.1021/jp045777j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Formation and decay processes of stilbene core radical cation (ST*+) during the photoinduced electron transfer have been studied for a series of stilbene bearing benzyl ether-type dendrons (D). ST*+ and the radical cation of peripheral dendron (D*+) were generated by intermolecular hole transfer from biphenyl radical cation, which was generated from photoinduced electron transfer from biphenyl to the singlet-excited 9,10-dicyanoanthracene in a mixture of acetonitrile and 1,2-dichloroethane (3:1). An intramolecular dimer radical cation of benzyl groups at the terminal of stilbene dendrimer was indicated as a hole trapping site. Subsequent hole transfer from the trapping site to the core ST generated ST*+. The shielding effects of D depending on the dendrimer generation on the growth and decay of ST*+ were observed. It was revealed for the first time that D acts as the hole trapping site and the hole conductor on the way of the exothermic hole transfer from the terminal of D to the central core ST. We also found that D inhibits the charge recombination with 9,10-dicyanoanthracene radical anion because of the steric hindrance.
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Affiliation(s)
- Michihiro Hara
- The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
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Hara M, Samori S, Cai X, Tojo S, Arai T, Momotake A, Hayakawa J, Uda M, Kawai K, Endo M, Fujitsuka M, Majima T. Effects of Benzyl Ether Type Dendrons as Hole-Harvesting Antennas, and Shielding for the Neutralization of Stilbene Core Radical Cations with Chloride Ion during Two-Photon Ionization of Stilbene Dendrimers Having Stilbene Core and Benzyl Ether Type Dendrons. J Am Chem Soc 2004; 126:14217-23. [PMID: 15506788 DOI: 10.1021/ja046650a] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The two-photon ionization (TPI) process (308 and 266 nm) of stilbene dendrimers having a stilbene core and benzyl ether type dendrons has been investigated in an acetonitrile and 1,2-dichloroethane mixture (3:1) in order to elucidate the dendrimer effects. The quantum yield of the formation of stilbene core radical cation during the 308-nm TPI was independent of the dendron generation of the dendrimers, whereas a generation dependence of the quantum yield of the radical cation was observed during the 266-nm TPI, where both the stilbene core and benzyl ether type dendron were ionized, suggesting that the subsequent hole transfer occurs from the dendron to the stilbene core, and that the dendron acts as a hole-harvesting antenna. The neutralization rate of the stilbene core radical cation with the chloride ion, generated from the dissociative electron capture by 1,2-dichloroethane, decreased with the increase in the dendrimer generation, suggesting that the dendron is an effective shield of the stilbene core radical cation against the chloride ion.
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Affiliation(s)
- Michihiro Hara
- The Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan
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