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Hao L, Dong C, Yu D. Polypyrrole Derivatives: Preparation, Properties and Application. Polymers (Basel) 2024; 16:2233. [PMID: 39204453 PMCID: PMC11360100 DOI: 10.3390/polym16162233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 07/14/2024] [Accepted: 07/29/2024] [Indexed: 09/04/2024] Open
Abstract
Polypyrrole (PPy) has attracted widespread attention due to its excellent environmental stability, high conductivity, simple synthesis, good biocompatibility, and reversible redox properties. PPy derivatives not only inherit the advantages of polypyrrole, but also have some unique properties. The side and N-site substitution of PPy can not only yield polymers with good solubility, but it also endows polymers with special functionalities by controlling the introduced functional groups. The performance of copolymers can also be adjusted by the type of monomer or polymerization ratio. In this review, an overview of the different types, main preparation methods, and the application prospects of PPy derivatives reported to date are summarized and presented. The current challenges and future opportunities in this research area are also prospected.
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Affiliation(s)
- Lu Hao
- State Key Laboratory of Electrical Insulation and Power Equipments, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China; (L.H.); (C.D.)
- Department of Materials Engineering, Shaanxi Polytechnic Institute, No. 12 Wenhui West Road, Xianyang 712000, China
| | - Changyi Dong
- State Key Laboratory of Electrical Insulation and Power Equipments, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China; (L.H.); (C.D.)
| | - Demei Yu
- State Key Laboratory of Electrical Insulation and Power Equipments, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, School of Chemistry, Xi’an Jiaotong University, No. 28 Xianning West Road, Xi’an 710049, China; (L.H.); (C.D.)
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Chen M, Chen Y, Li Y, Lin Y, Wu Y. Efficient orange and red thermally activated delayed fluorescence materials based on 1,8-naphthalimide derivatives. RSC Adv 2024; 14:6494-6500. [PMID: 38390502 PMCID: PMC10879845 DOI: 10.1039/d3ra08969j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 02/12/2024] [Indexed: 02/24/2024] Open
Abstract
Thermally activated delayed fluorescence (TADF) molecules have emerged as a promising class of third-generation organic light-emitting diode (OLED) emitters that can achieve 100% internal quantum efficiency without the use of noble metals. However, the design of high-efficiency red TADF materials has been challenging due to limitations imposed by the energy-gap law. To overcome this challenge, two new TADF emitters, namely, 6-(4-(diphenylamino)phenyl)-2-phenyl-1H-benzo[de]isoquinoline-1,3(2H)-dione (NI-TPA) and 6-(10H-phenothiazin-10-yl)-2-phenyl-1H-benzo[de]-isoquinoline-1,3(2H)-dione (NI-Pz), have been synthesized and characterized. These compounds exhibit strong TADF characteristics with a small energy gap (ΔEST) between the lowest excited singlet and triplet states, short delayed fluorescence lifetimes, high thermal stability, and high photoluminescence quantum yields. The OLED devices fabricated using NI-TPA and NI-Pz as emitters show orange and red electroluminescence with emission peaks at 593 nm and 665 nm, respectively, and maximum external quantum efficiencies (EQEs) of 11.3% and 7.6%, respectively. Furthermore, applying NI-TPA to cell imaging yielded excellent imaging results, indicating the potential of red TADF materials in the field of biological imaging.
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Affiliation(s)
- Meiling Chen
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center Guangzhou 510060 China
- Department of Nuclear Medicine, Sun Yat-sen University Cancer Center Guangzhou 510060 China
| | - Yuzhuo Chen
- Department of Ultrasound, The Fifth Affiliated Hospital, Sun Yat-sen University Zhuhai 519000 China
- Department of Interventional Medicine, Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University Zhuhai 519000 China
| | - Yan Li
- State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center Guangzhou 510060 China
- Department of Pathology, Sun Yat-sen University Cancer Center Guangzhou 510060 P. R. China
| | - Yuhong Lin
- Department of Ultrasound, The Fifth Affiliated Hospital, Sun Yat-sen University Zhuhai 519000 China
| | - Yunan Wu
- School of Chemistry, Sun Yat-sen University Guangzhou 510275 China
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Ledwon P, Lapkowski M. The Role of Electrochemical and Spectroelectrochemical Techniques in the Preparation and Characterization of Conjugated Polymers: From Polyaniline to Modern Organic Semiconductors. Polymers (Basel) 2022; 14:polym14194173. [PMID: 36236121 PMCID: PMC9570781 DOI: 10.3390/polym14194173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/27/2022] [Accepted: 09/27/2022] [Indexed: 11/16/2022] Open
Abstract
This review article presents different electrochemical and spectroelectrochemical techniques used to investigate conjugated polymers. The development of this research area is presented from an over 40-year perspective-the period of research carried out by Professor Mieczyslaw Lapkowski. Initial research involved polymers derived from simple aromatic compounds, such as polyaniline. Since then, scientific advances in the field of conductive polymers have led to the development of so-called organic electronics. Electrochemical and spectroelectrochemical methods have a great influence in the development of organic semiconductors. Their potential for explaining many phenomena is discussed and the most relevant examples are provided.
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Affiliation(s)
- Przemyslaw Ledwon
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland
| | - Mieczyslaw Lapkowski
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland
- Centre for Organic and Nanohybrid Electronics, Silesian University of Technology, Konarskiego 22B, 44-100 Gliwice, Poland
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie-Sklodowskiej 34, 41-819 Zabrze, Poland
- Correspondence:
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Texidó R, Borrós S. Allylamine PECVD Modification of PDMS as Simple Method to Obtain Conductive Flexible Polypyrrole Thin Films. Polymers (Basel) 2019; 11:E2108. [PMID: 31847507 PMCID: PMC6960888 DOI: 10.3390/polym11122108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 12/01/2019] [Accepted: 12/09/2019] [Indexed: 01/09/2023] Open
Abstract
In this paper, we report a one-step method to obtain conductive polypyrrole thin films on flexible substrates. To do this, substrates were modified through allylamine plasma grafting to create a high amount of reactive amine groups on PDMS surface. These groups are used during polypyrrole particle synthesis as anchoring points to immobilize the polymeric chains on the substrate during polymerization. Surface morphology of polypyrrole thin films are modified, tailoring the polyelectrolyte used in the polypyrrole synthesis obtaining different shapes of nanoparticles that conform to the film. Depending on the polyelectrolyte molecular weight, the shape of polypyrrole particles go from globular (500 nm diameter) to a more constructed and elongated shape. The films obtained with this methodology reflected great stability under simple bending as well as good conductivity values (between 2.2 ± 0.7 S/m to 5.6 ± 0.2 S/cm).
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Affiliation(s)
| | - Salvador Borrós
- Grup d’Enginyeria de Materials (GEMAT), Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta, 390, 08017 Barcelona, Spain;
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Drewniak A, Tomczyk MD, Knop K, Walczak KZ, Ledwon P. Multiple Redox States and Multielectrochromism of Donor–Acceptor Conjugated Polymers with Aromatic Diimide Pendant Groups. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01069] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Anna Drewniak
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, ul. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Mateusz D. Tomczyk
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, ul. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Karol Knop
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, ul. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Krzysztof Z. Walczak
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, ul. Krzywoustego 4, 44-100 Gliwice, Poland
| | - Przemyslaw Ledwon
- Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, ul. Strzody 9, 44-100 Gliwice, Poland
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Extended 2,2'-Bipyrroles: New Monomers for Conjugated Polymers with Tailored Processability. Polymers (Basel) 2019; 11:polym11061068. [PMID: 31226800 PMCID: PMC6630584 DOI: 10.3390/polym11061068] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/14/2019] [Accepted: 06/16/2019] [Indexed: 11/29/2022] Open
Abstract
The synthesis of 2,2′-bipyrroles substituted at positions 5,5′ with pyrrolyl, N-methyl-pyrrolyl and thienyl groups and their application in the preparation of conducting polymers is reported herein. The preparation of these monomers consisted of two synthetic steps from a functionalized 2,2′-bipyrrole: Bromination of the corresponding 2,2′-bipyrrole followed by Suzuki or Stille couplings. These monomers display low oxidation potential compared to pyrrole because of the extended length of their conjugation pathway. The resulting monomers can be polymerized through oxidative/electropolymerization. Electrical conductivity and electrochromic properties of the electrodeposited polymeric films were evaluated using 4-point probe measurements and cyclic voltammetry to evaluate their applicability in electronics.
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Sova S, Kelly LA. Enzyme Modification and Oxidative Cross-linking Using Carboxylate-, Phenol- and Catechol-Conjugated 1,8-Naphthalimides. Photochem Photobiol 2019; 95:1169-1178. [PMID: 30993721 DOI: 10.1111/php.13110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 04/10/2019] [Indexed: 11/27/2022]
Abstract
The ground- and excited-state interactions of β-alanine, tyrosine and l-dopa substituted 1,8 naphthalimides (NI-Ala, NI-Tyr and NI-Dopa) with lysozyme and mushroom tyrosinase were evaluated to understand the mechanism of oxidative modification. Photooxidative cross-linking of lysozyme was observed for all three conjugates. The yield was significantly reduced for NI-Tyr and NI-Dopa due to intramolecular electron transfer to the excited singlet state of the 1,8-naphthalimide. Incubation of NI-Tyr and NI-Dopa with mushroom tyrosinase resulted in an increased fluorescence from the naphthalimide, suggesting that the phenol and catechol portion of the conjugates are oxidized by the enzyme. This result demonstrates that the compounds bind in the active site of mushroom tyrosinase. The catalytic activity of mushroom tyrosinase to oxidize both tyrosine (monophenolase) and l-dopa (diphenolase) was modified by NI-Tyr and NI-Dopa. Monophenolase activity was inhibited, and the diphenolase activity was enhanced in the presence of these conjugates. Detailed Michaelis-Menten studies show that both Vmax and Km are modified, consistent with a mixed inhibition mechanism. Collectively, the results show that the compounds interact in the enzyme's active site, but also modify the distribution of the enzyme's oxidation states that are responsible for catalysis.
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Affiliation(s)
- Stacey Sova
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD
| | - Lisa A Kelly
- Department of Chemistry and Biochemistry, University of Maryland, Baltimore County, Baltimore, MD
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Branowska D, Olender E, Wysocki W, Karczmarzyk Z, Bancerz I, Ledwon P, Lapkowski M, Mirosław B, Urbańczyk-Lipkowska Z, Kalicki P. Synthesis and electrochemical characterization of oligothiophenes with 1,2,4-triazine and 5,5′-bi-1,2,4-triazine as strong electron acceptor units. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.08.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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