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The Influence of Thickness and Spectral Properties of Green Color-Emitting Polymer Thin Films on Their Implementation in Wearable PLED Applications.

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Title: The Influence of Thickness and Spectral Properties of Green Color-Emitting Polymer Thin Films on Their Implementation in Wearable PLED Applications.
Authors: Papadopoulos, Kyparisis1 (AUTHOR) detselek@physics.auth.gr, Tselekidou, Despoina1 (AUTHOR) alzac@physics.auth.gr, Zachariadis, Alexandros1 (AUTHOR) alask@physics.auth.gr, Laskarakis, Argiris1 (AUTHOR) logot@auth.gr, Logothetidis, Stergios1,2 (AUTHOR), Gioti, Maria1 (AUTHOR) kypapado@physics.auth.gr
Source: Nanomaterials (2079-4991). Oct2024, Vol. 14 Issue 19, p1608. 16p.
Subjects: Light emitting diodes, Optical sensors, Flexible electronics, Polymer films, Thin films, Conjugated polymers
Abstract: A systematic investigation of optical, electrochemical, photophysical, and electrooptical properties of printable green color-emitting polymer (poly(9,9-dioctylfluorene-alt-bithiophene)) (F8T2) and spiro-copolymer (SPG-01T) was conducted to explore their potentiality as an emissive layer for wearable polymer light-emitting diode (PLED) applications. We compared the two photoactive polymers in terms of their spectral characteristics and color purity, as these are the most critical factors for wearable lighting sources and optical sensors. Low-cost, solution-based methods and facile architecture were applied to produce rigid and flexible light-emitting devices with high luminance efficiencies. Emission bandwidths, color coordinates, operational characteristics, and luminance were also derived to evaluate the device's stability. The tuning of emission's spectral features by layer thickness variation was realized and was correlated with the interplay between H-aggregates and J-aggregates formations for both conjugated polymers. Finally, we applied the functional green light-emitting PLED devices based on the two studied materials for the detection of Rhodamine 6G. It was determined that the optical detection of the R6G photoluminescence is heavily influenced by the emission spectrum characteristics of the PLED and changes in the thickness of the active layer. [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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  Label: Title
  Group: Ti
  Data: The Influence of Thickness and Spectral Properties of Green Color-Emitting Polymer Thin Films on Their Implementation in Wearable PLED Applications.
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  Data: <searchLink fieldCode="AR" term="%22Papadopoulos%2C+Kyparisis%22">Papadopoulos, Kyparisis</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> detselek@physics.auth.gr</i><br /><searchLink fieldCode="AR" term="%22Tselekidou%2C+Despoina%22">Tselekidou, Despoina</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alzac@physics.auth.gr</i><br /><searchLink fieldCode="AR" term="%22Zachariadis%2C+Alexandros%22">Zachariadis, Alexandros</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> alask@physics.auth.gr</i><br /><searchLink fieldCode="AR" term="%22Laskarakis%2C+Argiris%22">Laskarakis, Argiris</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> logot@auth.gr</i><br /><searchLink fieldCode="AR" term="%22Logothetidis%2C+Stergios%22">Logothetidis, Stergios</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gioti%2C+Maria%22">Gioti, Maria</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> kypapado@physics.auth.gr</i>
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Oct2024, Vol. 14 Issue 19, p1608. 16p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Light+emitting+diodes%22">Light emitting diodes</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+sensors%22">Optical sensors</searchLink><br /><searchLink fieldCode="DE" term="%22Flexible+electronics%22">Flexible electronics</searchLink><br /><searchLink fieldCode="DE" term="%22Polymer+films%22">Polymer films</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink><br /><searchLink fieldCode="DE" term="%22Conjugated+polymers%22">Conjugated polymers</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A systematic investigation of optical, electrochemical, photophysical, and electrooptical properties of printable green color-emitting polymer (poly(9,9-dioctylfluorene-alt-bithiophene)) (F8T2) and spiro-copolymer (SPG-01T) was conducted to explore their potentiality as an emissive layer for wearable polymer light-emitting diode (PLED) applications. We compared the two photoactive polymers in terms of their spectral characteristics and color purity, as these are the most critical factors for wearable lighting sources and optical sensors. Low-cost, solution-based methods and facile architecture were applied to produce rigid and flexible light-emitting devices with high luminance efficiencies. Emission bandwidths, color coordinates, operational characteristics, and luminance were also derived to evaluate the device's stability. The tuning of emission's spectral features by layer thickness variation was realized and was correlated with the interplay between H-aggregates and J-aggregates formations for both conjugated polymers. Finally, we applied the functional green light-emitting PLED devices based on the two studied materials for the detection of Rhodamine 6G. It was determined that the optical detection of the R6G photoluminescence is heavily influenced by the emission spectrum characteristics of the PLED and changes in the thickness of the active layer. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  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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        Value: 10.3390/nano14191608
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      – Code: eng
        Text: English
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        PageCount: 16
        StartPage: 1608
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      – SubjectFull: Light emitting diodes
        Type: general
      – SubjectFull: Optical sensors
        Type: general
      – SubjectFull: Flexible electronics
        Type: general
      – SubjectFull: Polymer films
        Type: general
      – SubjectFull: Thin films
        Type: general
      – SubjectFull: Conjugated polymers
        Type: general
    Titles:
      – TitleFull: The Influence of Thickness and Spectral Properties of Green Color-Emitting Polymer Thin Films on Their Implementation in Wearable PLED Applications.
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            NameFull: Papadopoulos, Kyparisis
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            NameFull: Tselekidou, Despoina
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            – D: 01
              M: 10
              Text: Oct2024
              Type: published
              Y: 2024
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