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Analysis of Photothermal Conversion Behaviors in Graphene–Polymer Nanocomposites.

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Title: Analysis of Photothermal Conversion Behaviors in Graphene–Polymer Nanocomposites.
Authors: Zhang, Haiyu1 (AUTHOR), Rao, Runzhe2 (AUTHOR), Feng, Yan1,2 (AUTHOR), Fang, Zhou2 (AUTHOR), Hu, Xinyan1 (AUTHOR), Li, Fang2 (AUTHOR) liaaf@whut.edu.cn
Source: Polymers (20734360). Apr2026, Vol. 18 Issue 8, p968. 16p.
Subjects: Photothermal conversion, Optical conductivity, Near infrared spectroscopy, Surface interactions, Graphene, Mathematical models, Thermal conductivity, Polymeric nanocomposites
Abstract: Due to its strong near-infrared (NIR) absorption and high thermal conductivity, graphene is considered an excellent nanophotothermal filler that can effectively improve the photothermal conversion performance of composites. In particular, graphene–polymer nanocomposites, new types of photothermal conversion materials, have broad application prospects in photothermal therapy, photothermal driving, and micro-/nanomachinery. Recent research results have shown that when the filling concentration of graphene nanosheets (GNSs) in the matrix reaches the percolation threshold, interface effects such as interface tunneling and Maxwell–Wagner–Sillars (MWS) polarization, the key factors affecting the photothermal conversion performance of such composites, will occur. Furthermore, graphene exhibits unique optical conductivity due to its strong interaction with light. To reveal how interface effects influence the photothermal conversion performance of these nanocomposites, the optical conductivity of graphene at near-infrared frequencies was introduced to modify the effective medium theory. By combining this with a photothermal conversion model, the photothermal conversion behaviors of GNS–polymer composites are discussed, taking into account the interface effects and optical conductivity characteristics of GNSs. [ABSTRACT FROM AUTHOR]
Copyright of Polymers (20734360) 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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DbLabel: Engineering Source
An: 193439544
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PubTypeId: academicJournal
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  Data: Analysis of Photothermal Conversion Behaviors in Graphene–Polymer Nanocomposites.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Haiyu%22">Zhang, Haiyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rao%2C+Runzhe%22">Rao, Runzhe</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Feng%2C+Yan%22">Feng, Yan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fang%2C+Zhou%22">Fang, Zhou</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Xinyan%22">Hu, Xinyan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Fang%22">Li, Fang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> liaaf@whut.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. Apr2026, Vol. 18 Issue 8, p968. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Photothermal+conversion%22">Photothermal conversion</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+conductivity%22">Optical conductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Near+infrared+spectroscopy%22">Near infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+interactions%22">Surface interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Graphene%22">Graphene</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematical+models%22">Mathematical models</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+conductivity%22">Thermal conductivity</searchLink><br /><searchLink fieldCode="DE" term="%22Polymeric+nanocomposites%22">Polymeric nanocomposites</searchLink>
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  Data: Due to its strong near-infrared (NIR) absorption and high thermal conductivity, graphene is considered an excellent nanophotothermal filler that can effectively improve the photothermal conversion performance of composites. In particular, graphene–polymer nanocomposites, new types of photothermal conversion materials, have broad application prospects in photothermal therapy, photothermal driving, and micro-/nanomachinery. Recent research results have shown that when the filling concentration of graphene nanosheets (GNSs) in the matrix reaches the percolation threshold, interface effects such as interface tunneling and Maxwell–Wagner–Sillars (MWS) polarization, the key factors affecting the photothermal conversion performance of such composites, will occur. Furthermore, graphene exhibits unique optical conductivity due to its strong interaction with light. To reveal how interface effects influence the photothermal conversion performance of these nanocomposites, the optical conductivity of graphene at near-infrared frequencies was introduced to modify the effective medium theory. By combining this with a photothermal conversion model, the photothermal conversion behaviors of GNS–polymer composites are discussed, taking into account the interface effects and optical conductivity characteristics of GNSs. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polymers (20734360) 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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        Value: 10.3390/polym18080968
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        Text: English
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        StartPage: 968
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      – SubjectFull: Optical conductivity
        Type: general
      – SubjectFull: Near infrared spectroscopy
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      – SubjectFull: Thermal conductivity
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      – SubjectFull: Polymeric nanocomposites
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      – TitleFull: Analysis of Photothermal Conversion Behaviors in Graphene–Polymer Nanocomposites.
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              M: 04
              Text: Apr2026
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              Y: 2026
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