1
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Rimmele M, Sukpoonprom P, Marsh AV, Aniés F, Yazmaciyan A, Harrison G, Fatayer S, Pattanasattayavong P, Gasparini N, Panidi J, Heeney M. Influence of Selenium on the Optoelectronic Properties of a Series of Structurally Simple p-type Polymers for Organic Thin-Film Transistors. Macromol Rapid Commun 2025:e2500059. [PMID: 40307167 DOI: 10.1002/marc.202500059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2025] [Revised: 03/25/2025] [Indexed: 05/02/2025]
Abstract
Tremendous efforts have been dedicated to improving the performance of organic thin-film transistors (OTFTs) through careful polymer design. Sulfur-containing polymers have been studied in-depth; however, their selenium-containing analogs remain rarer. Herein, a series of polymers of low synthetic complexity with systematically increasing selenium content are presented. Three novel polymers FO6-Se, FO6-BS-T, and FO6-BS-Se are synthesized using a facile two-step protocol, combining combinations of selenophene, thiophene, benzothiadiazole (BT), and benzoselenadiazole (BS) units. The optical, electrochemical, and morphological properties of these polymers are comprehensively analyzed, revealing interesting structure-property relationships. Results show a significant bathochromic shift in absorption and emission spectra upon increasing Se content. Charge transport properties are evaluated in OTFTs, with FO6-BS-T exhibiting the highest hole mobility of 0.038 cm2V-1s-1 when annealed at 100 °C. Grazing-incidence wide-angle X-ray scattering (GIWAXS) studies reveal reduced crystallinity upon BS incorporation and density functional theory (DFT) calculations indicate increased backbone twisting upon BS inclusion compared to BT. This work demonstrates how systematic selenium incorporation alters polymer properties, particularly frontier molecular levels, and morphology, contributing to the understanding of selenium-containing scalable polymers for potential application in organic thin-film transistors.
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Affiliation(s)
- Martina Rimmele
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Patipan Sukpoonprom
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, 21210, Thailand
| | - Adam V Marsh
- Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Filip Aniés
- Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Aren Yazmaciyan
- Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - George Harrison
- Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Shadi Fatayer
- Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Pichaya Pattanasattayavong
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, 21210, Thailand
| | - Nicola Gasparini
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Julianna Panidi
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Martin Heeney
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
- Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
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2
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Xue YJ, Liu HH, Huang KH, Cheng KY, Tsai CL, Wu CS, Cheng YJ. Regioregular Alternating Polychalcogenophenes-Block-Poly(3-hexylthiophene): Synthesis, Structural Characterizations, Molecular Properties, and Transistors. Chem Asian J 2025:e202500277. [PMID: 40207658 DOI: 10.1002/asia.202500277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2025] [Revised: 03/23/2025] [Accepted: 03/25/2025] [Indexed: 04/11/2025]
Abstract
Sequence-controlled polychalcogenophenes have attracted considerable attention in polymer science, particularly in terms of their synthesis, structure, and functionality. In this work, we designed a new series of alternating block conjugated copolymers, denoted as poly(alt-AB)b(3HT), where one block consists of an alternating copolymer and the other is poly(3-hexylthiophene) (P3HT). To construct three sequence-controlled polychalcogenophenes, we utilized 3-hexylthiophene (S), 3-hexylselenophene (Se), and 3-hexyltellurophene (Te) as A and B units, yielding P(SSe)b(3HT), P(STe)b(3HT), and P(SeTe)b(3HT), respectively. These polymers were synthesized via nickel-catalyzed Kumada polymerization by sequentially introducing two different Grignard monomers. Through catalyst-transfer polycondensation (CTP), we achieved precise control over molecular weight, dispersity, block length, and main chain sequence. The polymer structures with high side chain regioregularity in both blocks were definitively confirmed using ¹H and ¹3C NMR analyses. Grazing-incidence wide-angle X-ray scattering (GIWAXS) revealed that all polymers predominantly adopt an edge-on orientation in the solid state. In organic field-effect transistor (OFET) measurements, P(SSe)b(3HT) exhibited the highest hole mobility of 4.4 × 10⁻2 cm2 V⁻¹ s⁻¹, attributed to its highly ordered molecular packing in thin films. Notably, P(STe)b(3HT) achieved a hole mobility of 2.9 × 10⁻2 cm2 V⁻¹ s⁻¹, among the highest reported for tellurophene-containing polychalcogenophenes.
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Affiliation(s)
- Yung-Jing Xue
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Huai-Hsuan Liu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Kuo-Hsiu Huang
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Kuang-Yi Cheng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Chia-Lin Tsai
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Chia-Shing Wu
- Taiwan Space Agency, 8F, 9 Prosperity 1st Road, Hsinchu Science Park, Hsinchu City 300, 30010, Taiwan
| | - Yen-Ju Cheng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
- Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
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3
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Hamblin RL, Zhang Z, DuBay KH. Characteristic System Time Scales Can Influence the Collective Sequence Development of Nematically Ordered Copolymers. Macromolecules 2024; 57:9984-9998. [PMID: 39552814 PMCID: PMC11562797 DOI: 10.1021/acs.macromol.4c01047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 08/30/2024] [Accepted: 09/30/2024] [Indexed: 11/19/2024]
Abstract
The sequence of copolymers is of significant importance to their material properties, yet controlling the copolymer sequence remains a challenge. Previously, we have shown that polymer chains with sufficient stiffness and intermolecular attractions can undergo an emergent, polymerization-driven nematic alignment of nascent oligomers during a step-growth polymerization process. Both the extent of alignment and the point in the reaction at which it occurs impact the kinetics and the sequence development of the growing polymer. Of particular interest is the emergence of a characteristic block length in the ensemble of sequences, resulting in unusually peaked block length distributions. Here we explore the emergence of this characteristic block length over time and investigate how changes in activation energy, solution viscosity, and monomer density influence the sequence and block length distributions of stiff copolymers undergoing step-growth polymerization. We find that emergent aggregation and nematic ordering restrict the availability of longer chains to form bonds, thereby altering the propensity of chains to react in a length dependent fashion, which changes as the reaction progresses, and promoting the formation of chains and blocks of a characteristic length. Further, we demonstrate that the characteristic length scale which emerges is sensitive to the relative time scales of reaction kinetics and reactant diffusion, shifting in response to changes in the activation energy of the reaction and the viscosity of the solvent. Our observations suggest the potential for biasing characteristic lengths of sequence repeats in stiff and semiflexible copolymer systems by targeting specific nonbonded interactions and reaction kinetics through the informed adjustment of reaction conditions and the selection or chemical modification of monomer species.
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Affiliation(s)
- Ryan L. Hamblin
- Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22903, United States
| | - Zhongmin Zhang
- Department
of Chemistry, University of North Carolina
at Chapel Hill, Chapel
Hill, North Carolina 27599, United States
| | - Kateri H. DuBay
- Department
of Chemistry, University of Virginia, Charlottesville, Virginia 22903, United States
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4
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Huang KH, Liu HH, Cheng KY, Tsai CL, Cheng YJ. Sequence-controlled alternating block polychalcogenophenes: synthesis, structural characterization, molecular properties, and transistors for bromine detection. Chem Sci 2023; 14:8552-8563. [PMID: 37592995 PMCID: PMC10430600 DOI: 10.1039/d3sc02289g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 07/13/2023] [Indexed: 08/19/2023] Open
Abstract
Sequence-controlled polychalcogenophenes have attracted much interest in terms of synthesis, structure and function in polymer science. For the first time, we developed a new class of alternating block conjugated copolymers denoted as poly(alt-AB)x-b-(alt-AC)y where both blocks are constituted by an alternating copolymer. 3-Hexylthiophene (S), 3-hexylselenophene (Se) and 3-hexyltellurophene (Te) are used as A, B and C units to assemble three sequence-controlled polychalcogenophenes P(SSe)b(STe), P(SSe)b(SeTe) and P(STe)b(SeTe) which are prepared by adding two different Grignard monomers in sequence to carry out Ni(dppp)Cl2-catalyzed Kumada polymerization. The molecular weight, dispersity, and length of each block (x = y) and main-chain sequence can be synthetically controlled via the catalyst transfer polycondensation mechanism. The polymer structures, i.e. alternating block main chain with high side-chain regioregularity, are unambiguously confirmed by 1H-NMR and 13C-NMR. The optical and electrochemical properties of the polymers can be systematically fine-tuned by the composition and ratio of the chalcogenophenes. From GIWAXS measurements, all the polymers exhibited predominantly edge-on orientations, indicating that the packing behaviors of the alternating block polychalcogenophenes with high regioregularity are inherited from the highly crystalline P3HT. P(SSe)b(STe) exhibited a hole OFET mobility of 1.4 × 10-2 cm2 V-1 s-1, which represents one of the highest values among the tellurophene-containing polychalcogenophenes. The tellurophene units in the polymers can undergo Br2 addition to form the oxidized TeBr2 species which results in dramatically red-shifted absorption due to the alternating arrangement to induce strong charge transfer character. The OFET devices using the tellurophene-containing polychalcogenophenes can be applied for Br2 detection, showing high sensitivity, selectivity and reversibility.
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Affiliation(s)
- Kuo-Hsiu Huang
- Department of Applied Chemistry, National Yang Ming Chiao Tung University 1001 University Road Hsinchu 30010 Taiwan China
| | - Huai-Hsuan Liu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University 1001 University Road Hsinchu 30010 Taiwan China
| | - Kuang-Yi Cheng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University 1001 University Road Hsinchu 30010 Taiwan China
| | - Chia-Lin Tsai
- Department of Applied Chemistry, National Yang Ming Chiao Tung University 1001 University Road Hsinchu 30010 Taiwan China
| | - Yen-Ju Cheng
- Department of Applied Chemistry, National Yang Ming Chiao Tung University 1001 University Road Hsinchu 30010 Taiwan China
- Center for Emergent Functional Matter Science, National Chiao Tung University 1001 University Road Hsinchu 30010 Taiwan China
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5
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Han X, Xue C, Zhao Z, Peng M, Wang Q, Liu H, Yu N, Pu C, Ren Y. Synthesis and Characterizations of Polythiophene Networks with Nonplanar BN Lewis Pair Building Blocks. ACS Macro Lett 2023:961-967. [PMID: 37384854 DOI: 10.1021/acsmacrolett.3c00307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
Doping the boron (B) element endowed organic π-conjugated polymers (OCPs) with intriguing optoelectronic properties. Herein, we introduce a new series of thienylborane-pyridine (BN) Lewis pairs via the facile reactions between thienylborane and various pyridine derivatives. Particularly, we developed a "one-pot" synthetic protocol to access BN2 with an unstable 4-bromopyridine moiety. Polycondensations between the BN Lewis pairs and distannylated thiophene afforded a new series of BN-cross-linked polythiophenes (BN-PTs). Experiments revealed that BN-PTs exhibited highly uniform chemical structures, particularly the uniform chemical environment of B-centers. BN-PTs showed good stability in the solid state. PBN2 even maintained the uniform B-center under high temperature or moisture conditions. The studies further suggested that the presence of topological BN structures endowed the polymers with strong intramolecular charge separation character. As a proof of concept, a representative BN-PT was tested as the catalyst for photocatalytic hydrogen evolution.
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Affiliation(s)
- Xue Han
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Cece Xue
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Zhuo Zhao
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Min Peng
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Qing Wang
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Haiming Liu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Na Yu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Chaodan Pu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Yi Ren
- School of Physical Science and Technology, ShanghaiTech University, Shanghai 201210, China
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6
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Lee J, Ryu H, Park S, Cho M, Choi TL. Living Suzuki-Miyaura Catalyst-Transfer Polymerization for Precision Synthesis of Length-Controlled Armchair Graphene Nanoribbons and Their Block Copolymers. J Am Chem Soc 2023. [PMID: 37376993 DOI: 10.1021/jacs.3c04130] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
The bottom-up synthesis of graphene nanoribbons (GNRs) offers a promising approach for designing atomically precise GNRs with tuneable photophysical properties, but controlling their length remains a challenge. Herein, we report an efficient synthetic protocol for producing length-controlled armchair GNRs (AGNRs) through living Suzuki-Miyaura catalyst-transfer polymerization (SCTP) using RuPhos-Pd catalyst and mild graphitization methods. Initially, SCTP of a dialkynylphenylene monomer was optimized by modifying boronates and halide moieties on the monomers, affording poly(2,5-dialkynyl-p-phenylene) (PDAPP) with controlled molecular weight (Mn up to 29.8k) and narrow dispersity (Đ = 1.14-1.39) in excellent yield (>85%). Subsequently, we successfully obtained N = 5 AGNRs by employing a mild alkyne benzannulation reaction on the PDAPP precursor and confirmed their length retention by size-exclusion chromatography. In addition, photophysical characterization revealed that a molar absorptivity was directly proportional to the length of the AGNR, while its highest occupied molecular orbital (HOMO) energy level remained constant within the given AGNR length. Furthermore, we prepared, for the very first time, N = 5 AGNR block copolymers with widely used donor or acceptor-conjugated polymers by taking advantage of the living SCTP. Finally, we achieved the lateral extension of AGNRs from N = 5 to 11 by oxidative cyclodehydrogenation in solution and confirmed their chemical structure and low band gap by various spectroscopic analyses.
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Affiliation(s)
- Jaeho Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Hanseul Ryu
- Department of Materials, ETH Zürich, Zurich 8093, Switzerland
| | - Songyee Park
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Minyoung Cho
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Tae-Lim Choi
- Department of Materials, ETH Zürich, Zurich 8093, Switzerland
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7
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Zhang Z, Zhang B, Han X, Chen H, Xue C, Peng M, Ma G, Ren Y. Stille type P-C coupling polycondensation towards phosphorus-crosslinked polythiophenes with P-regulated photocatalytic hydrogen evolution. Chem Sci 2023; 14:2990-2998. [PMID: 36937600 PMCID: PMC10016342 DOI: 10.1039/d2sc06702a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/13/2023] [Indexed: 02/16/2023] Open
Abstract
Recently, exploring new type polymerization protocols has been a major driving force in advancing organic polymers into highly functional materials. Herein we report a new polycondensation protocol to implant the phosphorus (P) atom in the main backbone of crosslinked polythiophenes. The polycondensation harnesses a Stille phosphorus-carbon (P-C) coupling reaction between phosphorus halides and aryl stannanes that has not been reported previously. Mechanistic studies uncovered that the P-electrophile makes the reactivity of a catalytic Pd-center highly sensitive towards the chemical structures of aryl stannanes, which is distinct from the typical Stille carbon-carbon coupling reaction. The efficient P-C polycondensation afforded a series of P-crosslinked polythiophenes (PC-PTs). Leveraging on the direct P-crosslinking polymerization, solid-state 31P NMR studies revealed highly uniform crosslinking environments. Efficient post-polymerization P-chemistry was also applied to the PC-PTs, which readily yielded the polymers with various P-environments. As a proof of concept, new PC-PTs were applied as the photocatalysts for H2 evolution under visible light irradiation. PC-PTs with an ionic P(Me)-center exhibit a H2 evolution rate up to 2050 μmol h-1 g-1, which is much higher than those of PC-PTs with a P(O)-center (900 μmol h-1 g-1) and P(iii)-center (155 μmol h-1 g-1). For the first time, the studies reveal that regulating P-center environments can be an effective strategy for fine tuning the photocatalytic H2 evolution performance of organic polymers.
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Affiliation(s)
- Zhikai Zhang
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Boyang Zhang
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Xue Han
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Hongyi Chen
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Cece Xue
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Min Peng
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Guijun Ma
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Yi Ren
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
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8
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Amin A, Qadir T, Sharma PK, Jeelani I, Abe H. A Review on The Medicinal And Industrial Applications of N-Containing Heterocycles. THE OPEN MEDICINAL CHEMISTRY JOURNAL 2022. [DOI: 10.2174/18741045-v16-e2209010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Nitrogen-containing heterocycles constitute an important division of organic chemistry. The structural and functional diversity in nitrogen-containing heterocyclic compounds emanates from the presence and nature of the heteroatom that optimizes the compound for a specific application. Nitrogen heterocycles have been found to mimic various endogenous metabolites and natural products, highlighting their pivotal role in current drug design. Their applications are manifold and are predominantly used as pharmaceuticals, corrosion inhibitors, polymers, agrochemicals, dyes, developers, etc. Additionally, their catalytic behavior has rendered these compounds notable precursors in synthesizing various important organic compounds. The rate at which nitrogen heterocycles are synthesized explains this organic chemistry domain's vitality and usefulness. The present review article focuses on nitrogen-containing heterocycles as a versatile scaffold for current applications of organic chemistry.
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9
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Xu H, Ye S, Zhao R, Seferos DS. Homogeneous Synthesis of Monodisperse Sequence‐Defined Conjugated Oligomers by Temperature Cycling. Angew Chem Int Ed Engl 2022; 61:e202210340. [DOI: 10.1002/anie.202210340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Hao Xu
- Department of Chemistry University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Shuyang Ye
- Department of Chemistry University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Ruyan Zhao
- Department of Chemistry University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Dwight S. Seferos
- Department of Chemistry University of Toronto 80 St. George Street Toronto Ontario M5S 3H6 Canada
- Department of Chemical Engineering and Applied Chemistry University of Toronto 200 College Street Toronto Ontario M5S 3E5 Canada
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10
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Sabuj MA, Muoh O, Huda MM, Rai N. Non-Aufbau orbital ordering and spin density modulation in high-spin donor-acceptor conjugated polymers. Phys Chem Chem Phys 2022; 24:23699-23711. [PMID: 36148814 DOI: 10.1039/d2cp02355e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
High-spin ground-state organic materials with unique spin topology can significantly impact molecular magnetism, spintronics, and quantum computing devices. However, strategies to control the spin topology and alignment of the unpaired spins in different molecular orbitals are not well understood. Here, we report modulating spin distribution along the molecular backbone in high-spin ground-state donor-acceptor (D-A) conjugated polymers. Density functional theory calculations indicate that substitution of different heteroatoms (such as C, Si, N, and Se) alters the aromatic character in the thiadiazole unit of the benzobisthiadiazole (BBT) acceptor and modulates the oligomer length to result in high-spin triplet ground-state, orbital and spin topology. The C, Si, and Se atom substituted polymers show a localized spin density at the two opposite ends of the polymers. However, a delocalized spin distribution is observed in the N substituted polymer. We find that the hybridization (sp3vs. sp2) of the substituent atom plays an important role in controlling the electronic structure of these materials. This study shows that atomistic engineering is an efficient technique to tune the spin topologies and electronic configurations in the high-spin ground-state donor-acceptor conjugated polymers, compelling synthetic targets for room-temperature magnetic materials.
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Affiliation(s)
- Md Abdus Sabuj
- Dave C Swalm School of Chemical Engineering, and Center for Advanced Vehicular Systems, Mississippi State University, Mississippi State, Mississippi, 39762, USA.
| | - Obinna Muoh
- Dave C Swalm School of Chemical Engineering, and Center for Advanced Vehicular Systems, Mississippi State University, Mississippi State, Mississippi, 39762, USA.
| | - Md Masrul Huda
- Dave C Swalm School of Chemical Engineering, and Center for Advanced Vehicular Systems, Mississippi State University, Mississippi State, Mississippi, 39762, USA.
| | - Neeraj Rai
- Dave C Swalm School of Chemical Engineering, and Center for Advanced Vehicular Systems, Mississippi State University, Mississippi State, Mississippi, 39762, USA.
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11
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Li L, Zhan H, Chen S, Zhao Q, Peng J. Interrogating the Effect of Block Sequence on Cocrystallization, Microphase Separation, and Charge Transport in All-Conjugated Triblock Copolymers. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lixin Li
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Hao Zhan
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Shuwen Chen
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Qingqing Zhao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Juan Peng
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
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12
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Xu H, Ye S, Zhao R, Seferos DS. Homogeneous Synthesis of Monodisperse Sequence‐Defined Conjugated Oligomers by Temperature Cycling. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hao Xu
- University of Toronto - St George Campus: University of Toronto Chemistry CANADA
| | - Shuyang Ye
- University of Toronto - St George Campus: University of Toronto Chemistry CANADA
| | - Ruyan Zhao
- University of Toronto - St George Campus: University of Toronto Chemistry CANADA
| | - Dwight S. Seferos
- University of Toronto Chemistry 80 St. George Street M5S 3H6 Toronto CANADA
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13
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Ye S, Lotocki V, Xu H, Seferos DS. Group 16 conjugated polymers based on furan, thiophene, selenophene, and tellurophene. Chem Soc Rev 2022; 51:6442-6474. [PMID: 35843215 DOI: 10.1039/d2cs00139j] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Five-membered aromatic rings containing Group 16 elements (O, S, Se, and Te), also referred as chalcogenophenes, are ubiquitous building blocks for π-conjugated polymers (CPs). Among these, polythiophenes have been established as a model system to study the interplay between molecular structure, solid-state organization, and electronic performance. The judicious substitution of alternative heteroatoms into polythiophenes is a promising strategy for tuning their properties and improving the performance of derived organic electronic devices, thus leading to the recent abundance of CPs containing furan, selenophene, and tellurophene. In this review, we first discuss the current status of Kumada, Negishi, Murahashi, Suzuki-Miyaura, and direct arylation polymerizations, representing the best routes to access well-defined chalcogenophene-containing homopolymers and copolymers. The self-assembly, optical, solid-state, and electronic properties of these polymers and their influence on device performance are then summarized. In addition, we highlight post-polymerization modifications as effective methods to transform polychalcogenophene backbones or side chains in ways that are unobtainable by direct polymerization. Finally, the major challenges and future outlook in this field are presented.
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Affiliation(s)
- Shuyang Ye
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.
| | - Victor Lotocki
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.
| | - Hao Xu
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.
| | - Dwight S Seferos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada. .,Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
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Luppi BT, Muralidharan AV, Ostermann N, Cheong IT, Ferguson MJ, Siewert I, Rivard E. Redox‐Active Heteroatom‐Functionalized Polyacetylenes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Bruno T. Luppi
- Department of Chemistry University of Alberta 11227 Saskatchewan Dr Edmonton Alberta T6G 2G2 Canada
| | - Abhishek V. Muralidharan
- Department of Chemistry University of Alberta 11227 Saskatchewan Dr Edmonton Alberta T6G 2G2 Canada
| | - Nils Ostermann
- University of Goettingen Institute of Inorganic Chemistry Tammannstrasse 4 37077 Goettingen Germany
| | - I T. Cheong
- Department of Chemistry University of Alberta 11227 Saskatchewan Dr Edmonton Alberta T6G 2G2 Canada
| | - Michael J. Ferguson
- Department of Chemistry University of Alberta 11227 Saskatchewan Dr Edmonton Alberta T6G 2G2 Canada
| | - Inke Siewert
- University of Goettingen Institute of Inorganic Chemistry Tammannstrasse 4 37077 Goettingen Germany
| | - Eric Rivard
- Department of Chemistry University of Alberta 11227 Saskatchewan Dr Edmonton Alberta T6G 2G2 Canada
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15
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Luppi BT, Muralidharan AV, Ostermann N, Cheong IT, Ferguson MJ, Siewert I, Rivard E. Redox-Active Heteroatom-Functionalized Polyacetylenes. Angew Chem Int Ed Engl 2021; 61:e202114586. [PMID: 34826183 DOI: 10.1002/anie.202114586] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Indexed: 11/11/2022]
Abstract
The discovery of metallic conductivity in polyacetylene [-HC=CH-]n upon doping represents a landmark achievement. However, the insolubility of polyacetylene and a dearth of methods for its chemical modification have limited its widespread use. Here, we employ a ring-opening metathesis polymerization (ROMP) protocol to prepare functionalized polyacetylenes (fPAs) bearing: (1) electron-deficient boryl (-BR2 ) and phosphoryl (-P(O)R2 ) side chains; (2) electron-donating amino (-NR2 ) groups, and (3) ring-fused 1,2,3-triazolium units via strain-promoted Click chemistry. These functional groups render most of the fPAs soluble and can lead to intense light absorption across the visible to near-IR region. Also, the presence of redox-active boryl and amino groups leads to opposing near-IR optical responses upon (electro)chemical reduction or oxidation. Some of the resulting fPAs show greatly enhanced air stability when compared to known polyacetylenes. Lastly, these fPAs can be cross-linked to yield network materials with the full retention of optical properties.
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Affiliation(s)
- Bruno T Luppi
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr, Edmonton, Alberta, T6G 2G2, Canada
| | - Abhishek V Muralidharan
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr, Edmonton, Alberta, T6G 2G2, Canada
| | - Nils Ostermann
- University of Goettingen, Institute of Inorganic Chemistry, Tammannstrasse 4, 37077, Goettingen, Germany
| | - I T Cheong
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr, Edmonton, Alberta, T6G 2G2, Canada
| | - Michael J Ferguson
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr, Edmonton, Alberta, T6G 2G2, Canada
| | - Inke Siewert
- University of Goettingen, Institute of Inorganic Chemistry, Tammannstrasse 4, 37077, Goettingen, Germany
| | - Eric Rivard
- Department of Chemistry, University of Alberta, 11227 Saskatchewan Dr, Edmonton, Alberta, T6G 2G2, Canada
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16
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Cheng S, Zhao R, Seferos DS. Precision Synthesis of Conjugated Polymers Using the Kumada Methodology. Acc Chem Res 2021; 54:4203-4214. [PMID: 34726058 DOI: 10.1021/acs.accounts.1c00556] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Since the discovery of conductive poly(acetylene), the study of conjugated polymers has remained an active and interdisciplinary frontier between polymer chemistry, polymer physics, computation, and device engineering. One of the ultimate goals of polymer science is to reliably synthesize structures, similar to small molecule synthesis. Kumada catalyst-transfer polymerization (KCTP) is a powerful tool for synthesizing conjugated polymers with predictable molecular weights, narrow dispersities, specific end groups, and complex backbone architectures. However, expanding the monomer scope beyond the well-studied 3-alkylthiophenes to include electron-deficient and complex heterocycles has been difficult. Revisiting the successful applications of KCTP can help us gain new insight into the CTP mechanisms and thus inspire breakthroughs in the controlled polymerization of challenging π-conjugated monomers.In this Account, we highlight our efforts over the past decade to achieve controlled synthesis of homopolymers (p-type and n-type), copolymers (diblock and statistical), and monodisperse high oligomers. We first give a brief introduction of the mechanism and state-of-the-art of KCTP. Since the extent of polymerization control is determined by steric and electronic effects of both the catalyst and monomer, the polymerization can be optimized by modifying monomer and catalyst structures, as well as finding a well-matched monomer-catalyst system. We discuss the effects of side-chain steric hindrance and halogens in the context of heavy atom substituted monomers. By moving the side-chain branch point one carbon atom away from the heterocycle to alleviate steric crowding and stabilize the catalyst resting state, we were able to successfully control the polymerization of new tellurophene monomers. Inspired by innocent role of the sterically encumbered 2-transmetalated 3-alkylthiophene monomer, we introduce the treatment of hygroscopic monomers with a bulky Grignard compound as a water-scavenger for the improved synthesis of water-soluble conjugated polymers. For challenging electron-deficient monomers, we discuss the design of new Ni(II)diimine catalysts with electron-donating character which enhance the stability of the association complex between the catalyst and the growing polymer chain, resulting in the quasi-living synthesis of n-type polymers. Beyond n-type homopolymers, the Ni(II)diimine catalysts are also capable of producing electron-rich and electron-deficient diblock and statistical copolymers. We discuss how density functional theory (DFT) calculations elucidate the role of catalyst steric and electronic effects in controlling the synthesis of π-conjugated polymers. Moreover, we demonstrate the synthesis of monodisperse high oligomers by temperature cycling, which takes full advantage of the unique character of KCTP in that it proceeds through distinct intermediates that are not reactive. The insight we gained thus far leads to the first example of isolated living conjugated polymer chains prepared by a standard KCTP procedure, with general applicability to different monomers and catalytic systems. In summarizing a decade of innovation in KCTP, we hope this Account will inspire future development in the field to overcome key challenges including the controlled synthesis of electron-deficient heterocycles, complex and high-performance systems, and degradable and recyclable materials as well as cutting-edge catalyst design.
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Affiliation(s)
- Susan Cheng
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Ruyan Zhao
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Dwight S. Seferos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario M5S 3E5, Canada
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Elyashberg M, Argyropoulos D. Computer Assisted Structure Elucidation (CASE): Current and future perspectives. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2021; 59:669-690. [PMID: 33197069 DOI: 10.1002/mrc.5115] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/31/2020] [Accepted: 11/08/2020] [Indexed: 06/11/2023]
Abstract
The first efforts for the development of methods for Computer-Assisted Structure Elucidation (CASE) were published more than 50 years ago. CASE expert systems based on one-dimensional (1D) and two-dimensional (2D) Nuclear Magnetic Resonance (NMR) data have matured considerably by now. The structures of a great number of complex natural products have been elucidated and/or revised using such programs. In this article, we discuss the most likely directions in which CASE will evolve. We act on the premise that a synergistic interaction exists between CASE, new NMR experiments, and methods of computational chemistry, which are continuously being improved. The new developments in NMR experiments (long-range correlation experiments, pure-shift methods, coupling constants measurement and prediction, residual dipolar couplings [RDCs]), and residual chemical shift anisotropies [RCSAs], evolution of density functional theory (DFT), and machine learning algorithms will have an influence on CASE systems and vice versa. This is true also for new techniques for chemical analysis (Atomic Force Microscopy [AFM], "crystalline sponge" X-ray analysis, and micro-Electron Diffraction [micro-ED]), which will be used in combination with expert systems. We foresee that CASE will be utilized widely and become a routine tool for NMR spectroscopists and analysts in academic and industrial laboratories. We believe that the "golden age" of CASE is still in the future.
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18
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Huang D, Peng J. Correlating crystalline structure with charge mobility in conjugated statistical copolymers for field-effect transistors. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Dhiman A, Giribabu L, Trivedi R. π-Conjugated Materials Derived From Boron-Chalcogenophene Combination. A Brief Description of Synthetic Routes and Optoelectronic Applications. CHEM REC 2021; 21:1738-1770. [PMID: 33844422 DOI: 10.1002/tcr.202100039] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/19/2021] [Accepted: 03/29/2021] [Indexed: 12/12/2022]
Abstract
Functional materials composed of Boron-chalcogenophene conjugates have emerged as promising ensemble featuring commendable optoelectronic properties. This review describes the categories, synthetic routes and optoelectronic applications of a range of boron-chalcogenophene conjugates. Conjugation and linking of different types of tri- and tetra-coordinated boron moieties with chalcogenophenes have remained an important strategy for constructing a range of functional materials. Synthetic protocols have been devised to efficiently prepare such chemically robust conjugates, often exhibiting a myriad of photophysical properties, redox capabilities and also solid-state behaviors. Tin-boron and silicon-boron exchange protocols have been efficiently adapted to access these boron-chalcogenophenes. Few other commonly used methods namely, hydroboration of alkynes as well as electrophilic borylations are also mentioned. The chemical and electronic properties of such boron-chalcogenophene conjugates are directly influenced by the strong Lewis acid character of trivalent boranes which can further alter the intra- and inter- molecular Lewis acid-base interactions. Apart from the synthetic protocols, recent advances in the application of these boron-chalcogenophene conjugates towards analyte sensing, organic electronics, molecular switches and several other aspects will be discussed in this review.
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Affiliation(s)
- Ankita Dhiman
- Catalysis and Fine Chemicals Department, CSIR-Indian Institute of Chemical Technology, Hyderabad, Uppal Road, Tarnaka, Hyderabad,, 500007, Telangana, India
| | - Lingamallu Giribabu
- Polymers and Functional Materials Department, CSIR-Indian Institute of Chemical Technology, Hyderabad, Uppal Road, Tarnaka, Hyderabad, 500007, Telangana, India.,Professor (AcSIR), Academy of Scientific and Innovative Research, AcSIR Headquarters, CSIR-HRDC campus Sector 19, Kamala Nehru Nagar, Ghaziabad, U.P., 201 002, India
| | - Rajiv Trivedi
- Catalysis and Fine Chemicals Department, CSIR-Indian Institute of Chemical Technology, Hyderabad, Uppal Road, Tarnaka, Hyderabad,, 500007, Telangana, India.,Professor (AcSIR), Academy of Scientific and Innovative Research, AcSIR Headquarters, CSIR-HRDC campus Sector 19, Kamala Nehru Nagar, Ghaziabad, U.P., 201 002, India
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20
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A convenient synthesis and physicochemical properties of diselenopheno[3,2-b:2′,3′-d]thiophenes. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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21
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Ousaka N, Endo T. One-Pot Nonisocyanate Synthesis of Sequence-Controlled Poly(hydroxy urethane)s from a Bis(six-membered cyclic carbonate) and Two Different Diamines. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Naoki Ousaka
- Molecular Engineering Institute, Kyushu Institute of Technology, Tobata-ku, Kitakyushu 804-8550, Japan
| | - Takeshi Endo
- Molecular Engineering Institute, Kyushu Institute of Technology, Tobata-ku, Kitakyushu 804-8550, Japan
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22
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Yang C, Wu KB, Deng Y, Yuan J, Niu J. Geared Toward Applications: A Perspective on Functional Sequence-Controlled Polymers. ACS Macro Lett 2021; 10:243-257. [PMID: 34336395 PMCID: PMC8320758 DOI: 10.1021/acsmacrolett.0c00855] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sequence-controlled polymers are an emerging class of synthetic polymers with a regulated sequence of monomers. In the past decade, tremendous progress has been made in the synthesis of polymers with the sophisticated sequence control approaching the level manifested in biopolymers. In contrast, the exploration of novel functions that can be achieved by controlling synthetic polymer sequences represents an emerging focus in polymer science. This Viewpoint will survey recent advances in the functional applications of sequence-controlled polymers and provide a perspective on the challenges and outlook for pursuing future applications of this fascinating class of macromolecules.
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Affiliation(s)
- Cangjie Yang
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Kevin B. Wu
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Yu Deng
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Jingsong Yuan
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
| | - Jia Niu
- Department of Chemistry, Boston College, Chestnut Hill, Massachusetts 02467, United States
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23
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Xie Z, Wei Q, Shan T, Zheng X, Zhang Y, Zhong H. Preparing polythiophene derivative with alternating alkyl and thioalkyl side chains via Kumada coupling for efficient organic solar cells. Polym Chem 2021. [DOI: 10.1039/d1py01051d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A polythiophene, namely PTST with alternating alkyl and thioalkyl side chains, is prepared by Kumada catalyst-transfer polycondensation. PTST can hierarchically pre-aggregate in solution, and then form a favorable morphology in organic solar cells.
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Affiliation(s)
- Ziyi Xie
- School of Chemistry and Chemical Engineering, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Qingyun Wei
- School of Chemistry and Chemical Engineering, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Tong Shan
- School of Chemistry and Chemical Engineering, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaoyang Zheng
- School of Chemistry and Chemical Engineering, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yi Zhang
- School of Chemistry and Chemical Engineering, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hongliang Zhong
- School of Chemistry and Chemical Engineering, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai 200240, China
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24
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Kraikin VA, Fatykhov AA, Gileva NG, Kravchenko AA, Salazkin SN. NMR study of dyadic and triadic splitting in copoly(arylene)phthalides based on diphenyl oxide and diphenyl sulfide. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2021; 59:61-73. [PMID: 32702159 DOI: 10.1002/mrc.5079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 07/15/2020] [Accepted: 07/17/2020] [Indexed: 06/11/2023]
Abstract
All 13 C NMR signals of the poly(arylene) polymers, O-1, S-7, OS-4, OOS-3, OOOS-2, SSO-5, and SSSO-6 (where O is a diphenyleneoxiphthalide unit and S is a diphenylenethiophthalide unit) in dyads and triads were assigned unequivocally with two-dimensional NMR techniques (ge-2D [1 H-1 H] COSY, ge-2D [1 H-13 C] HSQC, and ge-2D [1 H-13 C] HMBC), and for each atom, the increments of the shifts are determined. For structurally similar carbon atoms of the phthalide cycle and heteroaromatic fragments of the skeletal chain, additive signal splitting schemes in phthalide centered dyads and in diphenylene oxide and in diphenylene sulfide centered triads are considered, based on taking into account the contributions to their shielding of adjacent and distant substituents. It was shown that the nature of the splitting of the signals of each of the 20 carbon atoms in 3,3-bisphenylphthalide fragments is determined by the type of carbon atom (tertiary or quaternary, even or odd), the type of heteroatoms in adjacent heteroaromatic fragments, their distance from the identified carbon nucleus, and their polyad symmetry. The results obtained in this article will greatly facilitate our further studies and, in particular, will allow us to study the microstructure of statistical copolymers based on the asymmetric OS monomer at the dyad and triad levels.
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Affiliation(s)
| | - Akhnef A Fatykhov
- Ufa Institute of Chemistry, Russian Academy of Sciences, Ufa, Russia
| | - Natalya G Gileva
- Ufa Institute of Chemistry, Russian Academy of Sciences, Ufa, Russia
| | | | - Sergey N Salazkin
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
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25
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Elacqua E, Koehler SJ, Hu J. Electronically Governed ROMP: Expanding Sequence Control for Donor–Acceptor Conjugated Polymers. Synlett 2020. [DOI: 10.1055/s-0040-1707180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Controlling the primary sequence of synthetic polymers remains a grand challenge in chemistry. A variety of methods that exert control over monomer sequence have been realized wherein differential reactivity, pre-organization, and stimuli-response have been key factors in programming sequence. Whereas much has been established in nonconjugated systems, π-extended frameworks remain systems wherein subtle structural changes influence bulk properties. The recent introduction of electronically biased ring-opening metathesis polymerization (ROMP) extends the repertoire of feasible approaches to prescribe donor–acceptor sequences in conjugated polymers, by enabling a system to achieve both low dispersity and controlled polymer sequences. Herein, we discuss recent advances in obtaining well-defined (i.e., low dispersity) polymers featuring donor–acceptor sequence control, and present our design of an electronically ambiguous (4-methoxy-1-(2-ethylhexyloxy) and benzothiadiazole-(donor–acceptor-)based [2.2]paracyclophanediene monomer that undergoes electronically dictated ROMP. The resultant donor–acceptor polymers were well-defined (Đ = 1.2, Mn > 20 k) and exhibited lower energy excitation and emission in comparison to ‘sequence-ill-defined’ polymers. Electronically driven ROMP expands on prior synthetic methods to attain sequence control, while providing a promising platform for further interrogation of polymer sequence and resultant properties.1 Introduction to Sequence Control2 Sequence Control in Polymers3 Multistep-Synthesis-Driven Sequence Control4 Catalyst-Dictated Sequence Control5 Electronically Governed Sequence Control6 Conclusions
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26
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Jarrett-Wilkins CN, Pollit AA, Seferos DS. Polymerization Catalysts Take a Walk on the Wild Side. TRENDS IN CHEMISTRY 2020. [DOI: 10.1016/j.trechm.2020.03.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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27
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Lee J, Park H, Hwang SH, Lee IH, Choi TL. RuPhos Pd Precatalyst and MIDA Boronate as an Effective Combination for the Precision Synthesis of Poly(3-hexylthiophene): Systematic Investigation of the Effects of Boronates, Halides, and Ligands. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00137] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Jaeho Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyunwoo Park
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Soon-Hyeok Hwang
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - In-Hwan Lee
- Department of Chemistry, Ajou University, Suwon16499, Republic of Korea
| | - Tae-Lim Choi
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
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28
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Liu HH, Liang WW, Lai YY, Su YC, Yang HR, Cheng KY, Huang SC, Cheng YJ. Synthesis of side-chain regioregular and main-chain alternating poly(bichalcogenophene)s and an ABC-type periodic poly(terchalcogenophene). Chem Sci 2020; 11:3836-3844. [PMID: 34122851 PMCID: PMC8152668 DOI: 10.1039/d0sc00404a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 03/09/2020] [Indexed: 01/08/2023] Open
Abstract
Three unsymmetrical diiodobichalcogenophenes SSeI2, STeI2, and SeTeI2 and a diiodoterchalcogenophene SSeTeI2 were prepared. Grignard metathesis of SSeI2, STeI2, SeTeI2, and SSeTeI2 occurred regioselectively at the lighter chalcogenophene site because of its relatively lower electron density and less steric bulk. Nickel-catalyzed Kumada catalyst-transfer polycondensation of these Mg species provided a new class of side-chain regioregular and main-chain AB-type alternating poly(bichalcogenophene)s-PSSe, PSTe, and PSeTe-through a chain-growth mechanism. The ring-walking of the Ni catalyst from the lighter to the heavier chalcogenophene facilitated subsequent oxidative addition, thereby suppressing the possibility of chain-transfer or chain-termination. More significantly, the Ni catalyst could walk over the distance of three rings (ca. 1 nm)-from a thiophene unit via a selenophene unit to a tellurophene unit-to form PSSeTe, the first ABC-type regioregular and periodic poly(terchalcogenophene) comprising three different types of 3-hexylchalcogenophenes.
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Affiliation(s)
- Huai-Hsuan Liu
- Department of Applied Chemistry, National Chiao Tung University 1001 University Road Hsin-Chu Taiwan
| | - Wei-Wei Liang
- Department of Applied Chemistry, National Chiao Tung University 1001 University Road Hsin-Chu Taiwan
| | - Yu-Ying Lai
- Institute of Polymer Science and Engineering, National Taiwan University Taipei 10617 Taiwan
| | - Yen-Chen Su
- Department of Applied Chemistry, National Chiao Tung University 1001 University Road Hsin-Chu Taiwan
| | - Hau-Ren Yang
- Institute of Polymer Science and Engineering, National Taiwan University Taipei 10617 Taiwan
| | - Kuang-Yi Cheng
- Department of Applied Chemistry, National Chiao Tung University 1001 University Road Hsin-Chu Taiwan
| | - Sheng-Cih Huang
- Department of Applied Chemistry, National Chiao Tung University 1001 University Road Hsin-Chu Taiwan
| | - Yen-Ju Cheng
- Department of Applied Chemistry, National Chiao Tung University 1001 University Road Hsin-Chu Taiwan
- Center for Emergent Functional Matter Science, National Chiao Tung University 1001 University Road Hsinchu 30010 Taiwan
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29
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Amna B, Siddiqi HM, Hassan A, Ozturk T. Recent developments in the synthesis of regioregular thiophene-based conjugated polymers for electronic and optoelectronic applications using nickel and palladium-based catalytic systems. RSC Adv 2020; 10:4322-4396. [PMID: 35495258 PMCID: PMC9049189 DOI: 10.1039/c9ra09712k] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 01/06/2020] [Indexed: 12/18/2022] Open
Abstract
Thiophene-based conjugated polymers are important conjugated polymers due to their exceptional optical and conductive properties, over the past few decades many researchers have designed novel strategies to reach more efficient materials for electronic applications.
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Affiliation(s)
- Bibi Amna
- Department of Chemistry
- Quaid-i-Azam University
- Islamabad 45320
- Pakistan
- Istanbul Technical University
| | | | - Abbas Hassan
- Department of Chemistry
- Quaid-i-Azam University
- Islamabad 45320
- Pakistan
| | - Turan Ozturk
- Istanbul Technical University
- Department of Chemistry
- 34469 Maslak
- Turkey
- TUBITAK-UME
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30
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Nowalk JA, Swisher JH, Meyer TY. Influence of Short-Range Scrambling of Monomer Order on the Hydrolysis Behaviors of Sequenced Degradable Polyesters. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00480] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jamie A. Nowalk
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Jordan H. Swisher
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Tara Y. Meyer
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania 15219, United States
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31
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Varni AJ, Fortney A, Baker MA, Worch JC, Qiu Y, Yaron D, Bernhard S, Noonan KJT, Kowalewski T. Photostable Helical Polyfurans. J Am Chem Soc 2019; 141:8858-8867. [DOI: 10.1021/jacs.9b01567] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Anthony J. Varni
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - Andria Fortney
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - Matthew A. Baker
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - Joshua C. Worch
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - Yunyan Qiu
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - David Yaron
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - Stefan Bernhard
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - Kevin J. T. Noonan
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
| | - Tomasz Kowalewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2617, United States
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32
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Nowalk JA, Fang C, Short AL, Weiss RM, Swisher JH, Liu P, Meyer TY. Sequence-Controlled Polymers Through Entropy-Driven Ring-Opening Metathesis Polymerization: Theory, Molecular Weight Control, and Monomer Design. J Am Chem Soc 2019; 141:5741-5752. [PMID: 30714723 PMCID: PMC6685222 DOI: 10.1021/jacs.8b13120] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The bulk properties of a copolymer are directly affected by monomer sequence, yet efficient, scalable, and controllable syntheses of sequenced copolymers remain a defining challenge in polymer science. We have previously demonstrated, using polymers prepared by a step-growth synthesis, that hydrolytic degradation of poly(lactic- co-glycolic acid)s is dramatically affected by sequence. While much was learned, the step-growth mechanism gave no molecular weight control, unpredictable yields, and meager scalability. Herein, we describe the synthesis of closely related sequenced polyesters prepared by entropy-driven ring-opening metathesis polymerization (ED-ROMP) of strainless macromonomers with imbedded monomer sequences of lactic, glycolic, 6-hydroxy hexanoic, and syringic acids. The incorporation of ethylene glycol and metathesis linkers facilitated synthesis and provided the olefin functionality needed for ED-ROMP. Ring-closing to prepare the cyclic macromonomers was demonstrated using both ring-closing metathesis and macrolactonization reactions. Polymerization produced macromolecules with controlled molecular weights on a multigram scale. To further enhance molecular weight control, the macromonomers were prepared with cis-olefins in the metathesis-active segment. Under these selectivity-enhanced (SEED-ROMP) conditions, first-order kinetics and narrow dispersities were observed and the effect of catalyst initiation rate on the polymerization was investigated. Enhanced living character was further demonstrated through the preparation of block copolymers. Computational analysis suggested that the enhanced polymerization kinetics were due to the cis-macrocyclic olefin being less flexible and having a larger population of metathesis-reactive conformers. Although used for polyesters in this investigation, SEED-ROMP represents a general method for incorporation of sequenced segments into molecular weight-controlled polymers.
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Affiliation(s)
- Jamie A. Nowalk
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Cheng Fang
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
- Computational Modeling & Simulation Program, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260
| | - Amy L. Short
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Ryan M. Weiss
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Jordan H. Swisher
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Tara Yvonne Meyer
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, 15219, United States
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33
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Vidal F, Jäkle F. Functional Polymeric Materials Based on Main‐Group Elements. Angew Chem Int Ed Engl 2019; 58:5846-5870. [DOI: 10.1002/anie.201810611] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Fernando Vidal
- Department of Chemistry Rutgers University—Newark 73 Warren Street Newark NJ 07102 USA
| | - Frieder Jäkle
- Department of Chemistry Rutgers University—Newark 73 Warren Street Newark NJ 07102 USA
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34
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Vidal F, Jäkle F. Funktionelle polymere Materialien auf der Basis von Hauptgruppen‐Elementen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201810611] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Fernando Vidal
- Department of Chemistry Rutgers University—Newark 73 Warren Street Newark NJ 07102 USA
| | - Frieder Jäkle
- Department of Chemistry Rutgers University—Newark 73 Warren Street Newark NJ 07102 USA
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35
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Abstract
Poly(selenylene vinylene) (PSV) is a close analog to the extensively studied poly(thienylene vinylene) (PTV) polymers, and possesses unique properties originating from the larger, more polarizable Se atoms.
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Affiliation(s)
- Zhen Zhang
- Department of Chemistry & Chemical Biology
- University of New Mexico
- Albuquerque
- USA
| | - Yang Qin
- Department of Chemistry & Chemical Biology
- University of New Mexico
- Albuquerque
- USA
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36
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Swisher JH, Nowalk JA, Meyer TY. Property impact of common linker segments in sequence-controlled polyesters. Polym Chem 2019. [DOI: 10.1039/c8py01443d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Linker segments in sequence controlled polyester backbones significantly affect thermal, mechanical and degradation properties.
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Affiliation(s)
| | - Jamie A. Nowalk
- Department of Chemistry
- University of Pittsburgh
- Pittsburgh
- USA
| | - Tara Y. Meyer
- Department of Chemistry
- University of Pittsburgh
- Pittsburgh
- USA
- McGowan Center for Regenerative Medicine
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37
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Lutz JP, Hannigan MD, McNeil AJ. Polymers synthesized via catalyst-transfer polymerization and their applications. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.07.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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38
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Fortney A, Tsai CH, Banerjee M, Yaron D, Kowalewski T, Noonan KJT. Impact of Precise Control over Microstructure in Thiophene–Selenophene Copolymers. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01434] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Andria Fortney
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Chia-Hua Tsai
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Manali Banerjee
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - David Yaron
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Tomasz Kowalewski
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
| | - Kevin J. T. Noonan
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States
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39
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Van Den Eede MP, De Winter J, Gerbaux P, Koeckelberghs G. Controlled Polymerization of a Cyclopentadithiophene–Phenylene Alternating Copolymer. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01820] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Julien De Winter
- Organic Synthesis and Mass Spectrometry Laboratory, Interdisciplinary Center for Mass Spectrometry, University of Mons-UMONS, 23 Place du Parc, 7000 Mons, Belgium
| | - Pascal Gerbaux
- Organic Synthesis and Mass Spectrometry Laboratory, Interdisciplinary Center for Mass Spectrometry, University of Mons-UMONS, 23 Place du Parc, 7000 Mons, Belgium
| | - Guy Koeckelberghs
- Laboratory for Polymer Synthesis, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
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40
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Ye S, Janasz L, Zajaczkowski W, Manion JG, Mondal A, Marszalek T, Andrienko D, Müllen K, Pisula W, Seferos DS. Self-Organization and Charge Transport Properties of Selenium and Tellurium Analogues of Polythiophene. Macromol Rapid Commun 2018; 40:e1800596. [PMID: 30417480 DOI: 10.1002/marc.201800596] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 10/03/2018] [Indexed: 11/10/2022]
Abstract
A series of conjugated polymers comprising polythiophene, polyselenophene, and polytellurophene with branched 3,7-dimethyloctyl side chains, well-matched molecular weight, dispersity, and regioregularity is synthesized. The ionization potential is found to vary from 5.14 to 5.32 eV, with polytellurophene having the lowest potential. Field-effect transistors based on these materials exhibit distinct hole transport mobility that varies by nearly three orders of magnitude, with polytellurophene having the highest mobility (2.5 × 10-2 cm² V-1 s-1 ). The large difference in mobility demonstrates the significant impact of heteroatom substitution. Although the series of polymers are very similar in structure, their solid-state properties are different. While the thin film microstructure of polythiophene and polyselenophene is identical, polytellurophene reveals globular features in the film topography. Polytellurophenes also appear to be the least crystalline, even though their charge transport properties are superior to other samples. The torsional barrier and degree of planarity between repeat units increase as one moves down group-16 elements. These studies show how a single atom in a polymer chain can have a substantial influence on the bulk properties of a material, and that heavy group-16 atoms have a positive influence on charge transport properties when all other variables are kept unchanged.
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Affiliation(s)
- Shuyang Ye
- Lash Miller Chemical Laboratory, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Lukasz Janasz
- Department of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116,, 90-924, Lodz, Poland
| | | | - Joseph G Manion
- Lash Miller Chemical Laboratory, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Anirban Mondal
- Max Planck Institute for Polymer Research, Ackermannweg 10,, 55128, Mainz, Germany
| | - Tomasz Marszalek
- Department of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116,, 90-924, Lodz, Poland.,Max Planck Institute for Polymer Research, Ackermannweg 10,, 55128, Mainz, Germany
| | - Denis Andrienko
- Max Planck Institute for Polymer Research, Ackermannweg 10,, 55128, Mainz, Germany
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10,, 55128, Mainz, Germany
| | - Wojciech Pisula
- Department of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116,, 90-924, Lodz, Poland.,Max Planck Institute for Polymer Research, Ackermannweg 10,, 55128, Mainz, Germany
| | - Dwight S Seferos
- Lash Miller Chemical Laboratory, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada.,Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5, Canada
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41
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Van Den Eede MP, Van Gestel L, Koeckelberghs G. Expression of Chirality in Tailor-Made Conjugated Polymers. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b01380] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Lore Van Gestel
- Laboratory for Polymer Synthesis, KU Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium
| | - Guy Koeckelberghs
- Laboratory for Polymer Synthesis, KU Leuven, Celestijnenlaan 200F, B-3001 Heverlee, Belgium
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42
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Baker MA, Tsai C, Noonan KJT. Diversifying Cross‐Coupling Strategies, Catalysts and Monomers for the Controlled Synthesis of Conjugated Polymers. Chemistry 2018; 24:13078-13088. [DOI: 10.1002/chem.201706102] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Matthew A. Baker
- Department of Chemistry Carnegie Mellon University 4400 Fifth Ave Pittsburgh PA 15213 USA
| | - Chia‐Hua Tsai
- Department of Chemistry Carnegie Mellon University 4400 Fifth Ave Pittsburgh PA 15213 USA
| | - Kevin J. T. Noonan
- Department of Chemistry Carnegie Mellon University 4400 Fifth Ave Pittsburgh PA 15213 USA
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43
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Leone AK, Goldberg PK, McNeil AJ. Ring-Walking in Catalyst-Transfer Polymerization. J Am Chem Soc 2018; 140:7846-7850. [DOI: 10.1021/jacs.8b02469] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Amanda K. Leone
- Department of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Peter K. Goldberg
- Department of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Anne J. McNeil
- Department of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
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44
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Lik A, Jenthra S, Fritze L, Müller L, Truong KN, Helten H. From Monodisperse Thienyl- and Furylborane Oligomers to Polymers: Modulating the Optical Properties through the Hetarene Ratio. Chemistry 2018. [PMID: 29543358 DOI: 10.1002/chem.201706124] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The application of our newly developed B-C coupling method by catalytic Si/B exchange is demonstrated for the synthesis of a series of triarylboranes (1), monodisperse thienyl- and furylborane dimers (2) and trimers (9), extended oligomers (3) and polymers (3'), as well as mixed (oligo)thienyl-/furylboranes. The structures of 1 aaTip , 1 bbTip , and 2 bbbMes* , determined by X-ray crystallography, reveal largely coplanar hetarene rings and BR3 environments, which are most pronounced in the furylborane species. Photophysical investigations, supported by TD-DFT calculations, revealed pronounced π-electron delocalization over the hetarene backbones including the boron centers. With an extended series of derivatives of varying chain lengths available, we were able to determine the effective conjugation lengths (ECL) of poly(thienylborane)s and poly(furylborane)s, which have been reached with the highest-molecular-weight derivatives of our study. Through variation of the furan-to-thiophene ratio, the photophysical properties of these materials are effectively modulated. Significantly, higher furan contents lead to considerably increased fluorescence intensities. Compounds 1 aaTip , 1 bbTip , and 3 aTip showed the ability to bind fluoride anions. The binding process is signaled by a distinct change in their optical absorption characteristics, thus rendering these materials attractive targets for sensory applications.
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Affiliation(s)
- Artur Lik
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056, Aachen, Germany
| | - Sangeth Jenthra
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056, Aachen, Germany
| | - Lars Fritze
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056, Aachen, Germany
| | - Lars Müller
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056, Aachen, Germany
| | - Khai-Nghi Truong
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056, Aachen, Germany
| | - Holger Helten
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, 52056, Aachen, Germany
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45
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Obhi NK, Peda DM, Kynaston EL, Seferos DS. Exploring the Graft-To Synthesis of All-Conjugated Comb Copolymers Using Azide–Alkyne Click Chemistry. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00138] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Nimrat K. Obhi
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Denise M. Peda
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Emily L. Kynaston
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Dwight S. Seferos
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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46
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Riensch NA, Fritze L, Schindler T, Kremer M, Helten H. Difuryl(supermesityl)borane: a versatile building block for extended π-conjugated materials. Dalton Trans 2018; 47:10399-10403. [DOI: 10.1039/c8dt01716f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
B-Doping of oligo(hetarene)s led to very robust, air-stable π-conjugated materials that are strong electron-acceptors and blue light emitters.
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Affiliation(s)
- Nicolas A. Riensch
- Institute of Inorganic Chemistry
- RWTH Aachen University
- 52056 Aachen
- Germany
| | - Lars Fritze
- Institute of Inorganic Chemistry
- RWTH Aachen University
- 52056 Aachen
- Germany
| | - Tobias Schindler
- Institute of Inorganic Chemistry
- RWTH Aachen University
- 52056 Aachen
- Germany
| | - Marius Kremer
- Institute of Inorganic Chemistry
- RWTH Aachen University
- 52056 Aachen
- Germany
| | - Holger Helten
- Institute of Inorganic Chemistry
- RWTH Aachen University
- 52056 Aachen
- Germany
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47
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Zhang HH, Zhu YX, Wang W, Zhu J, Bonnesen PV, Hong K. Controlled synthesis of ortho, para-alternating linked polyarenes via catalyst-transfer Suzuki coupling polymerization. Polym Chem 2018. [DOI: 10.1039/c8py00070k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel class of ortho, para-alternating linked polyarenes is synthesized via catalyst-transfer Suzuki coupling polymerization with Pd2(dba)3/t-Bu3P/p-BrC6H4COPh as initiator.
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Affiliation(s)
- Hong-Hai Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing Tech University (Nanjing Tech)
- Nanjing 211816
- P.R. China
| | - Yu-Xing Zhu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing Tech University (Nanjing Tech)
- Nanjing 211816
- P.R. China
| | - Weiyu Wang
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Jiahua Zhu
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Peter V. Bonnesen
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Kunlun Hong
- Center for Nanophase Materials Sciences
- Oak Ridge National Laboratory
- Oak Ridge
- USA
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48
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Hameury S, Gourlaouen C, Sommer M. Balancing steric and electronic effects of bidentate, mixed P,N ligands to control Kumada catalyst transfer polycondensation of a sterically hindered thiophene. Polym Chem 2018. [DOI: 10.1039/c8py00452h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Screening various P,N ligands to control KCTP of a sterically hindered thiophene reveals an oxazoline-based ligand most effective.
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Affiliation(s)
- S. Hameury
- Universität Freiburg
- Makromolekulare Chemie
- 79104 Freiburg
- Germany
- Freiburger Materialforschungszentrum
| | - C. Gourlaouen
- Laboratoire de Chimie Quantique
- Institut de Chimie
- UMR 7177 CNRS-Université de Strasbourg
- 67008 Strasbourg
- France
| | - M. Sommer
- Universität Freiburg
- Makromolekulare Chemie
- 79104 Freiburg
- Germany
- Freiburger Materialforschungszentrum
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49
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Wang HC, Li QY, Yin HB, Ren X, Yao K, Zheng Y, Xu YX. Synergistic Effects of Selenophene and Extended Ladder-Type Donor Units for Efficient Polymer Solar Cells. Macromol Rapid Commun 2017; 39. [PMID: 29215760 DOI: 10.1002/marc.201700483] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2017] [Revised: 10/08/2017] [Indexed: 11/11/2022]
Abstract
Two pairs of polymer donor materials based on indacenodithiophene (IDT) and indacenodithieno[3,2-b]thiophene (IDTT) as the donor units are synthesized. Thiophene or selenophene is introduced as the π-bridge units and electron-deficient fluorine-substituted quinoxaline is used as acceptor unit. Selenophene-containing polymers PIDT-DFQ-Se and PIDTT-DFQ-Se show redshifted absorption and narrower bandgaps. Combined with IDTT donor unit, PIDTT-DFQ-Se shows the highest absorption coefficient. Both the IDTT unit and selenophene unit have positive effects on the hole mobilities, making PIDTT-DFQ-Se the highest one. The best power conversion efficiency of 7.4% is obtained from devices based on PIDTT-DFQ-Se:[6,6]-phenyl C71 butyric acid methyl ester (PC71 BM) with a Jsc of 12.6 mA cm-2 , a Voc of 0.89 V, and a fill factor (FF) of 0.66.
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Affiliation(s)
- Hua-Chun Wang
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Qing-Ya Li
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Hong-Bo Yin
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Xiancheng Ren
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
| | - Kai Yao
- Institute of Photovoltaics, Nanchang University, Nanchang, 330031, China
| | - Yonghao Zheng
- School of Optoelectronic Information, Center for Applied Chemistry, University of Electronic Science and Technology of China (UESTC), Chengdu, 610054, China
| | - Yun-Xiang Xu
- College of Polymer Science & Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China
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50
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Leone AK, Souther KD, Vitek AK, LaPointe AM, Coates GW, Zimmerman PM, McNeil AJ. Mechanistic Insight into Thiophene Catalyst-Transfer Polymerization Mediated by Nickel Diimine Catalysts. Macromolecules 2017. [DOI: 10.1021/acs.macromol.7b02271] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Amanda K. Leone
- Department
of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Kendra D. Souther
- Department
of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Andrew K. Vitek
- Department
of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Anne M. LaPointe
- Department
of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Geoffrey W. Coates
- Department
of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Paul M. Zimmerman
- Department
of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - Anne J. McNeil
- Department
of Chemistry and Macromolecular Science and Engineering Program, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
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