A comprehensive review on poly(3-alkylthiophene)-based crystalline structures, protocols and electronic applications

Agbolaghi, Samira; Zenoozi, Sahar

doi:10.1016/j.orgel.2017.09.038

Cited by 91 publications

(101 citation statements)

References 694 publications

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“…S11). This is common for thiophene‐based polymers due to the facile π‐stacking of the thiophene moieties, and as a result these materials are typically alkylated when used in organic semiconductors, with poly(3‐hexylthiophene) the most widely known such material . These properties may be advantageous for applications in self‐assembled materials, however, in which block copolymer micelles with a soluble corona and an insoluble core are desired.…”

Section: Resultsmentioning

confidence: 99%

“…This is common for thiophene-based polymers due to the facile π-stacking of the thiophene moieties, and as a result these materials are typically alkylated when used in organic semiconductors, with poly(3-hexylthiophene) the most widely known such material. 44 These properties may be advantageous for applications in self-assembled materials, however, in which block copolymer micelles with a soluble corona and an insoluble core are desired. Indeed, the self-assembly of thiophenecontaining block copolymers has been used to create many complex nanostructured materials, including fluorescent nanobeads, 45,46 micellar fibers of controlled length, 47 and "block co-micelles" by crystallization-driven self-assembly.…”

Section: Resultsmentioning

confidence: 99%

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Synthesis of polymeric organic semiconductors using semifluorinated polymer precursors

Paisley

Tonge

Sauvé

et al. 2018

J. Polym. Sci. Part A: Polym. Chem.

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The transesterification of 1,1,1,3,3,3‐hexafluoroisopropyl acrylate (HFIPA) homopolymers and block copolymers with methyl acrylate (MA) or n‐butyl acrylate (n‐BuA) were investigated for the efficient synthesis of p‐type and n‐type organic semiconductor acrylates. HFIPA, MA, and n‐BuA are readily prepared in a one‐pot synthesis by Cu(0) reversible deactivation radical polymerization in high yield with low dispersity to give poly(HFIPA)100, PMA100‐b‐poly(HFIPA)x, and PnBuA100‐b‐poly(HFIPA)x (x = 100, 50,25). The transesterification of poly(HFIPA)100 was also studied using 19F NMR spectroscopy. Based on this method, a series of eight homopolymers and three copolymers based on semiconductor motifs commonly found in organic light‐emitting diodes, organic thin‐film transistors, and organic photovoltaics were synthesized with narrow dispersity and conversions up to 99%. These experiments demonstrate that poly(HFIPA) can provide a useful building block in the synthesis of organic electronic materials, providing a simpler route to complex materials which may be challenging to access directly via controlled radical polymerization. © 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2018, 56, 2183–2191

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Synthesis of polymeric organic semiconductors using semifluorinated polymer precursors

Paisley

Tonge

Sauvé

et al. 2018

J. Polym. Sci. Part A: Polym. Chem.

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confidence: 99%

“…Conjugated semiconducting polymers have been extensively investigated owing to their technological advancements that range from biomedical applications to solar energy conversion, charge transport and storage . These materials have emerged with the promise for cleaner and cost‐effective manipulation while maintaining relatively high carrier mobilities . Significant improvements in the performance of organic semiconductors have been achieved over the past two decades through the design of new molecular structures and preparation methods .…”

mentioning

confidence: 99%

“…These materials have emerged with the promise for cleaner and cost‐effective manipulation while maintaining relatively high carrier mobilities . Significant improvements in the performance of organic semiconductors have been achieved over the past two decades through the design of new molecular structures and preparation methods . The natural tendency of these conjugated polymers to self‐organize into ordered aggregates results in crystalline domains embedded in an amorphous environment that were shown to control the overall electrical and optical properties of these materials …”

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confidence: 99%

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Photoinduced Self‐Assembled Nanostructures and Permanent Polaron Formation in Regioregular Poly(3‐hexylthiophene)

et al. 2018

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Solution processing of conjugated polymers into ordered self-assembled precursors has attracted great interest in the past years owing to the ability to manipulate their structural and physical properties. Regioregular poly(3-hexylthiophene) (P3HT) has become the benchmark polymer in this scenario, where ordered lamellar structures significantly improve carrier mobility of the thin films due to increased crystallinity, extended intrachain conjugation, and ordered interchain π-stacking. Here, a new photoinduced approach is presented for the generation of highly ordered P3HT aggregate structures that is amenable to the use of visible light to control the aggregate formation. Strong intra- and interchain interactions in the solution precursors allow for permanent formation of localized and delocalized polarons that are stable for months. Spin-coated thin films are found to preserve, in part, the morphological and physical properties of the aggregated P3HT solution precursors with high degree of crystallinity and short π-stack interchain distances.

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Manipulation of Stem Cells Fates: The Master and Multifaceted Roles of Biophysical Cues of Biomaterials

Wan

Liu

2021

Adv Funct Materials

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Owing to their self‐renewal and differentiation ability, stem cells are conducive for repairing injured tissues, making them a promising source of seed cells for tissue engineering. The extracellular microenvironment (ECM) is under dynamic mechanical control, which is closely related to stem cell behaviors. During the design and fabrication of biomaterials for regenerative medicine, the physiochemical properties of the natural ECM should be closely mimicked, which can reinforce stem cell lineage choice and tissue engineering. By reproducing the biophysical stimulations that stem cells may experience in vivo, many studies have highlighted the key role of biophysical cues in regulation of cell fate. Optimization of biophysical factors leads to desirable stem cell functions, which can maximize the effectiveness of regenerative treatment. In this review, the main biophysical cues of biomaterials, including stiffness, topography, mechanical force, and external physical fields are summarized, and their individual and synergistic influence on stem cell behavior is discussed. Subsequently, the current progress in tissue regeneration using biomaterials is presented, which directs the design and fabrication of functional biomaterial. The mechanisms via which biophysical cues activate cellular responses are also analyzed. Finally, the challenges in basic research as well as for clinical translation in this field are discussed.

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A comprehensive review on poly(3-alkylthiophene)-based crystalline structures, protocols and electronic applications

Cited by 91 publications

References 694 publications

Synthesis of polymeric organic semiconductors using semifluorinated polymer precursors

Synthesis of polymeric organic semiconductors using semifluorinated polymer precursors

Photoinduced Self‐Assembled Nanostructures and Permanent Polaron Formation in Regioregular Poly(3‐hexylthiophene)

Manipulation of Stem Cells Fates: The Master and Multifaceted Roles of Biophysical Cues of Biomaterials

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