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Novel thiophene derivative hybrid composite solar cells

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Title: Novel thiophene derivative hybrid composite solar cells
Authors: Swathi, S.K.1, Ranjith, K.1, Kumar, Prajwal1, Ramamurthy, Praveen C. praveen@materials.iisc.ernet.in
Source: Solar Energy Materials & Solar Cells. Jan2012, Vol. 96 Issue 1, p101-107. 7p.
Subject Terms: *Solar cells, *Photovoltaic cells, *Spectrum analysis, *Absorption, Thiophenes, Nucleation, Photoluminescence, Electric potential
Abstract: Abstract: In this work composites of poly(3-hexylethiophene) (P3HT) and a thiophene derivative (7, 9-di (thiophen-2-yl)-8H-cyclopenta[a]acenaphthylen-8-one) (DTCPA) having donor acceptor architecture (DAD) were prepared. Photovoltaic properties of these hybrid composites were evaluated. DTCPA, which is a highly crystalline organic molecule with wide absorption range, was observed to improve the open circuit voltage of the solar cell. Furthermore, DTCPA crystals acts as a nucleating center and increases the molecular ordering of P3HT in the composite. Improved charge separation efficiency was observed by photoluminescence spectroscopy. Because of high built in potential in these devices, large open circuit voltage was observed. [Copyright &y& Elsevier]
Copyright of Solar Energy Materials & Solar Cells is the property of Elsevier B.V. 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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An: 67248182
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  Data: Novel thiophene derivative hybrid composite solar cells
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  Data: <searchLink fieldCode="AR" term="%22Swathi%2C+S%2EK%2E%22">Swathi, S.K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ranjith%2C+K%2E%22">Ranjith, K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kumar%2C+Prajwal%22">Kumar, Prajwal</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ramamurthy%2C+Praveen+C%2E%22">Ramamurthy, Praveen C.</searchLink><i> praveen@materials.iisc.ernet.in</i>
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  Data: <searchLink fieldCode="JN" term="%22Solar+Energy+Materials+%26+Solar+Cells%22">Solar Energy Materials & Solar Cells</searchLink>. Jan2012, Vol. 96 Issue 1, p101-107. 7p.
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  Data: *<searchLink fieldCode="DE" term="%22Solar+cells%22">Solar cells</searchLink><br />*<searchLink fieldCode="DE" term="%22Photovoltaic+cells%22">Photovoltaic cells</searchLink><br />*<searchLink fieldCode="DE" term="%22Spectrum+analysis%22">Spectrum analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Absorption%22">Absorption</searchLink><br /><searchLink fieldCode="DE" term="%22Thiophenes%22">Thiophenes</searchLink><br /><searchLink fieldCode="DE" term="%22Nucleation%22">Nucleation</searchLink><br /><searchLink fieldCode="DE" term="%22Photoluminescence%22">Photoluminescence</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+potential%22">Electric potential</searchLink>
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  Data: Abstract: In this work composites of poly(3-hexylethiophene) (P3HT) and a thiophene derivative (7, 9-di (thiophen-2-yl)-8H-cyclopenta[a]acenaphthylen-8-one) (DTCPA) having donor acceptor architecture (DAD) were prepared. Photovoltaic properties of these hybrid composites were evaluated. DTCPA, which is a highly crystalline organic molecule with wide absorption range, was observed to improve the open circuit voltage of the solar cell. Furthermore, DTCPA crystals acts as a nucleating center and increases the molecular ordering of P3HT in the composite. Improved charge separation efficiency was observed by photoluminescence spectroscopy. Because of high built in potential in these devices, large open circuit voltage was observed. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Solar Energy Materials & Solar Cells is the property of Elsevier B.V. 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: 10.1016/j.solmat.2011.09.021
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 7
        StartPage: 101
    Subjects:
      – SubjectFull: Solar cells
        Type: general
      – SubjectFull: Photovoltaic cells
        Type: general
      – SubjectFull: Spectrum analysis
        Type: general
      – SubjectFull: Absorption
        Type: general
      – SubjectFull: Thiophenes
        Type: general
      – SubjectFull: Nucleation
        Type: general
      – SubjectFull: Photoluminescence
        Type: general
      – SubjectFull: Electric potential
        Type: general
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      – TitleFull: Novel thiophene derivative hybrid composite solar cells
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            NameFull: Swathi, S.K.
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            NameFull: Ranjith, K.
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            NameFull: Kumar, Prajwal
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            NameFull: Ramamurthy, Praveen C.
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              Text: Jan2012
              Type: published
              Y: 2012
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              Value: 96
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            – TitleFull: Solar Energy Materials & Solar Cells
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