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Investigation of optical and nonlinear optical properties of DGEBA/IPD epoxy systems under continuous-wave laser irradiation.

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Title: Investigation of optical and nonlinear optical properties of DGEBA/IPD epoxy systems under continuous-wave laser irradiation.
Authors: Rezaei-Seresht, Esmail1 (AUTHOR) e.rezaei@hsu.ac.ir, Amiri, Eid-Mohammad1 (AUTHOR), Jafari-Soghieh, Fariba1 (AUTHOR), Koushki, Ehsan2 (AUTHOR) ehsan.koushki@yahoo.com
Source: High Performance Polymers. Jun2026, Vol. 38 Issue 5, p315-323. 9p.
Subjects: Optical properties, Nonlinear optical techniques, Epoxy compounds, Epoxy resins, Continuous wave lasers, Light absorption, Graphene oxide, Photoluminescence
Abstract: In this study, two types of epoxy networks based on diglycidyl ether of bisphenol A (DGEBA) were prepared using 4,4′-diaminodiphenyl sulfone (DDS) and isophorone diamine (IPD) as curing agents. The modified epoxy networks were subjected to thermal treatment to improve their hardness and structural integrity. Various characterization techniques, including absorption spectroscopy, photoluminescence (PL), infrared spectroscopy (IR), open-aperture Z-scan measurements, field emission scanning electron microscopy (FE-SEM), and X-ray diffraction (XRD), were employed to evaluate the effects of GO-NH incorporation. Open aperture Z-scan experiment was carried out using a violet semiconductor laser with continues wave (CW) beam and the wavelength of 405 nm. Also, the incorporation of piperazine-functionalized graphene oxide (GO-NH) at 0.5 wt% into the DGEBA/IPD system was investigated in order to study the effect of GO-NH on optical properties. The results showed that reverse saturable absorption (RSA) is the dominant nonlinear optical mechanism in the systems. DGEBA/DDS shows stronger RSA in comparison of DGEBA/IPD system. Notably, the addition of GO-NH led to a significant increase in the nonlinear absorption of DGEBA/IPD, indicating enhanced polarization and improved electronic interactions within the epoxy matrix. These findings suggest epoxy systems as suitable materials in optical and photonic applications. [ABSTRACT FROM AUTHOR]
Copyright of High Performance Polymers is the property of Sage Publications Inc. 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.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 193084387
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  Label: Title
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  Data: Investigation of optical and nonlinear optical properties of DGEBA/IPD epoxy systems under continuous-wave laser irradiation.
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  Data: <searchLink fieldCode="AR" term="%22Rezaei-Seresht%2C+Esmail%22">Rezaei-Seresht, Esmail</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> e.rezaei@hsu.ac.ir</i><br /><searchLink fieldCode="AR" term="%22Amiri%2C+Eid-Mohammad%22">Amiri, Eid-Mohammad</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jafari-Soghieh%2C+Fariba%22">Jafari-Soghieh, Fariba</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Koushki%2C+Ehsan%22">Koushki, Ehsan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> ehsan.koushki@yahoo.com</i>
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  Data: <searchLink fieldCode="JN" term="%22High+Performance+Polymers%22">High Performance Polymers</searchLink>. Jun2026, Vol. 38 Issue 5, p315-323. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Optical+properties%22">Optical properties</searchLink><br /><searchLink fieldCode="DE" term="%22Nonlinear+optical+techniques%22">Nonlinear optical techniques</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+compounds%22">Epoxy compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+resins%22">Epoxy resins</searchLink><br /><searchLink fieldCode="DE" term="%22Continuous+wave+lasers%22">Continuous wave lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Graphene+oxide%22">Graphene oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Photoluminescence%22">Photoluminescence</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: In this study, two types of epoxy networks based on diglycidyl ether of bisphenol A (DGEBA) were prepared using 4,4′-diaminodiphenyl sulfone (DDS) and isophorone diamine (IPD) as curing agents. The modified epoxy networks were subjected to thermal treatment to improve their hardness and structural integrity. Various characterization techniques, including absorption spectroscopy, photoluminescence (PL), infrared spectroscopy (IR), open-aperture Z-scan measurements, field emission scanning electron microscopy (FE-SEM), and X-ray diffraction (XRD), were employed to evaluate the effects of GO-NH incorporation. Open aperture Z-scan experiment was carried out using a violet semiconductor laser with continues wave (CW) beam and the wavelength of 405 nm. Also, the incorporation of piperazine-functionalized graphene oxide (GO-NH) at 0.5 wt% into the DGEBA/IPD system was investigated in order to study the effect of GO-NH on optical properties. The results showed that reverse saturable absorption (RSA) is the dominant nonlinear optical mechanism in the systems. DGEBA/DDS shows stronger RSA in comparison of DGEBA/IPD system. Notably, the addition of GO-NH led to a significant increase in the nonlinear absorption of DGEBA/IPD, indicating enhanced polarization and improved electronic interactions within the epoxy matrix. These findings suggest epoxy systems as suitable materials in optical and photonic applications. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of High Performance Polymers is the property of Sage Publications Inc. 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1177/09540083261420322
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 315
    Subjects:
      – SubjectFull: Optical properties
        Type: general
      – SubjectFull: Nonlinear optical techniques
        Type: general
      – SubjectFull: Epoxy compounds
        Type: general
      – SubjectFull: Epoxy resins
        Type: general
      – SubjectFull: Continuous wave lasers
        Type: general
      – SubjectFull: Light absorption
        Type: general
      – SubjectFull: Graphene oxide
        Type: general
      – SubjectFull: Photoluminescence
        Type: general
    Titles:
      – TitleFull: Investigation of optical and nonlinear optical properties of DGEBA/IPD epoxy systems under continuous-wave laser irradiation.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Rezaei-Seresht, Esmail
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            NameFull: Amiri, Eid-Mohammad
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            NameFull: Jafari-Soghieh, Fariba
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            NameFull: Koushki, Ehsan
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          Dates:
            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 38
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              Value: 5
          Titles:
            – TitleFull: High Performance Polymers
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