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Dispersion of Few-Layer Black Phosphorus in Binary Polymer Blend and Block Copolymer Matrices.

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Title: Dispersion of Few-Layer Black Phosphorus in Binary Polymer Blend and Block Copolymer Matrices.
Authors: Coiai, Serena1 (AUTHOR) elisa.passaglia@pi.iccom.cnr.it, Passaglia, Elisa1 (AUTHOR) simop93@hotmail.it, Pinna, Simone1 (AUTHOR) stefano.legnaioli@pi.iccom.cnr.it, Legnaioli, Stefano1 (AUTHOR) silvia.borsacchi@pi.iccom.cnr.it, Borsacchi, Silvia1,2 (AUTHOR) francesca.cicogna@pi.iccom.cnr.it, Dinelli, Franco3 (AUTHOR) franco.dinelli@ino.cnr.it, Ferretti, Anna Maria4 (AUTHOR) anna.ferretti@scitec.cnr.it, Caporali, Maria5 (AUTHOR) maria.caporali@iccom.cnr.it, Serrano-Ruiz, Manuel5 (AUTHOR) manuel.serrano@iccom.cnr.it, Peruzzini, Maurizio5 (AUTHOR) maurizio.peruzzini@iccom.cnr.it, Cicogna, Francesca1 (AUTHOR)
Source: Nanomaterials (2079-4991). Aug2021, Vol. 11 Issue 8, p1996. 1p.
Subjects: Polymer blends, Block copolymers, Methyl methacrylate, Atomic force microscopy, Dispersion (Chemistry), Phosphorus
Abstract: Exfoliated black phosphorus (bP) embedded into a polymer is preserved from oxidation, is stable to air, light, and humidity, and can be further processed into devices without degrading its properties. Most of the examples of exfoliated bP/polymer composites involve a single polymer matrix. Herein, we report the preparation of biphasic polystyrene/poly(methyl methacrylate) (50/50 wt.%) composites containing few-layer black phosphorus (fl-bP) (0.6–1 wt.%) produced by sonicated-assisted liquid-phase exfoliation. Micro-Raman spectroscopy confirmed the integrity of fl-bP, while scanning electron microscopy evidenced the influence of fl-bP into the coalescence of polymeric phases. Furthermore, the topography of thin films analyzed by atomic force microscopy confirmed the effect of fl-bP into the PS dewetting, and the selective PS etching of thin films revealed the presence of fl-bP flakes. Finally, a block copolymer/fl-bP composite (1.2 wt.%) was prepared via in situ reversible addition–fragmentation chain transfer (RAFT) polymerization by sonication-assisted exfoliation of bP into styrene. For this sample, 31P solid-state NMR and Raman spectroscopy confirmed an excellent preservation of bP structure. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Dispersion of Few-Layer Black Phosphorus in Binary Polymer Blend and Block Copolymer Matrices.
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  Data: <searchLink fieldCode="AR" term="%22Coiai%2C+Serena%22">Coiai, Serena</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> elisa.passaglia@pi.iccom.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Passaglia%2C+Elisa%22">Passaglia, Elisa</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> simop93@hotmail.it</i><br /><searchLink fieldCode="AR" term="%22Pinna%2C+Simone%22">Pinna, Simone</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> stefano.legnaioli@pi.iccom.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Legnaioli%2C+Stefano%22">Legnaioli, Stefano</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> silvia.borsacchi@pi.iccom.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Borsacchi%2C+Silvia%22">Borsacchi, Silvia</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> francesca.cicogna@pi.iccom.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Dinelli%2C+Franco%22">Dinelli, Franco</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> franco.dinelli@ino.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Ferretti%2C+Anna+Maria%22">Ferretti, Anna Maria</searchLink><relatesTo>4</relatesTo> (AUTHOR)<i> anna.ferretti@scitec.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Caporali%2C+Maria%22">Caporali, Maria</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> maria.caporali@iccom.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Serrano-Ruiz%2C+Manuel%22">Serrano-Ruiz, Manuel</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> manuel.serrano@iccom.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Peruzzini%2C+Maurizio%22">Peruzzini, Maurizio</searchLink><relatesTo>5</relatesTo> (AUTHOR)<i> maurizio.peruzzini@iccom.cnr.it</i><br /><searchLink fieldCode="AR" term="%22Cicogna%2C+Francesca%22">Cicogna, Francesca</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Aug2021, Vol. 11 Issue 8, p1996. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Polymer+blends%22">Polymer blends</searchLink><br /><searchLink fieldCode="DE" term="%22Block+copolymers%22">Block copolymers</searchLink><br /><searchLink fieldCode="DE" term="%22Methyl+methacrylate%22">Methyl methacrylate</searchLink><br /><searchLink fieldCode="DE" term="%22Atomic+force+microscopy%22">Atomic force microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Dispersion+%28Chemistry%29%22">Dispersion (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Phosphorus%22">Phosphorus</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Exfoliated black phosphorus (bP) embedded into a polymer is preserved from oxidation, is stable to air, light, and humidity, and can be further processed into devices without degrading its properties. Most of the examples of exfoliated bP/polymer composites involve a single polymer matrix. Herein, we report the preparation of biphasic polystyrene/poly(methyl methacrylate) (50/50 wt.%) composites containing few-layer black phosphorus (fl-bP) (0.6–1 wt.%) produced by sonicated-assisted liquid-phase exfoliation. Micro-Raman spectroscopy confirmed the integrity of fl-bP, while scanning electron microscopy evidenced the influence of fl-bP into the coalescence of polymeric phases. Furthermore, the topography of thin films analyzed by atomic force microscopy confirmed the effect of fl-bP into the PS dewetting, and the selective PS etching of thin films revealed the presence of fl-bP flakes. Finally, a block copolymer/fl-bP composite (1.2 wt.%) was prepared via in situ reversible addition–fragmentation chain transfer (RAFT) polymerization by sonication-assisted exfoliation of bP into styrene. For this sample, 31P solid-state NMR and Raman spectroscopy confirmed an excellent preservation of bP structure. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3390/nano11081996
    Languages:
      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: 1996
    Subjects:
      – SubjectFull: Polymer blends
        Type: general
      – SubjectFull: Block copolymers
        Type: general
      – SubjectFull: Methyl methacrylate
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      – SubjectFull: Atomic force microscopy
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      – SubjectFull: Dispersion (Chemistry)
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      – SubjectFull: Phosphorus
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      – TitleFull: Dispersion of Few-Layer Black Phosphorus in Binary Polymer Blend and Block Copolymer Matrices.
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              Text: Aug2021
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