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Thermal behavior of a Langmuir-Blodgett film of dioctadecyldimethylammonium-Au(dmit)2 salt investigated by infrared spectroscopy

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Title: Thermal behavior of a Langmuir-Blodgett film of dioctadecyldimethylammonium-Au(dmit)2 salt investigated by infrared spectroscopy
Authors: Morita, Shin-ichi1 smorita@cc.toin.ac.jp, Ikehata, Akifumi2, Miura, Yasuhiro F.1, Sugi, Michio1, Ozaki, Yukihiro2
Source: Thin Solid Films. Oct2004, Vol. 464/465, p408-411. 4p.
Subjects: Plasma frequencies, Thin films, Infrared spectroscopy, Spectrum analysis
Abstract: Thermal behavior of a Langmuir-Blodgett (LB) film of dioctadecyldimethylammonium-Au(dmit)2 (2C18-Au(dmit)2) salt has been studied by means of infrared transmission spectroscopy. Two bands due to the CH2 antisymmetric and symmetric stretching modes have been used to monitor the orientation of the hydrocarbon chain in the 2C18-Au(dmit)2 LB film, and the absorption band due to the C&z.dbnd6;S stretching mode has been employed to investigate the aggregation state of Au(dmit)2 chromophores. Temperature-dependent infrared spectral changes have revealed that there are, at least, two different ordered states in the LB film below the order–disorder transition between 100 and 110 °C. The above results are important, showing that the heat treatment can be a powerful and versatile tool to control the structure of the 2C18-Au(dmit)2 LB film. [Copyright &y& Elsevier]
Copyright of Thin Solid Films 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 14609414
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Thermal behavior of a Langmuir-Blodgett film of dioctadecyldimethylammonium-Au(dmit)<subscript>2</subscript> salt investigated by infrared spectroscopy
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  Data: <searchLink fieldCode="AR" term="%22Morita%2C+Shin-ichi%22">Morita, Shin-ichi</searchLink><relatesTo>1</relatesTo><i> smorita@cc.toin.ac.jp</i><br /><searchLink fieldCode="AR" term="%22Ikehata%2C+Akifumi%22">Ikehata, Akifumi</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Miura%2C+Yasuhiro+F%2E%22">Miura, Yasuhiro F.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sugi%2C+Michio%22">Sugi, Michio</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ozaki%2C+Yukihiro%22">Ozaki, Yukihiro</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Thin+Solid+Films%22">Thin Solid Films</searchLink>. Oct2004, Vol. 464/465, p408-411. 4p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Plasma+frequencies%22">Plasma frequencies</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+spectroscopy%22">Infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Spectrum+analysis%22">Spectrum analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Thermal behavior of a Langmuir-Blodgett (LB) film of dioctadecyldimethylammonium-Au(dmit)2 (2C18-Au(dmit)2) salt has been studied by means of infrared transmission spectroscopy. Two bands due to the CH2 antisymmetric and symmetric stretching modes have been used to monitor the orientation of the hydrocarbon chain in the 2C18-Au(dmit)2 LB film, and the absorption band due to the C&z.dbnd6;S stretching mode has been employed to investigate the aggregation state of Au(dmit)2 chromophores. Temperature-dependent infrared spectral changes have revealed that there are, at least, two different ordered states in the LB film below the order–disorder transition between 100 and 110 °C. The above results are important, showing that the heat treatment can be a powerful and versatile tool to control the structure of the 2C18-Au(dmit)2 LB film. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Thin Solid Films 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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        Value: 10.1016/j.tsf.2004.06.019
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 408
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        Type: general
      – SubjectFull: Thin films
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      – SubjectFull: Infrared spectroscopy
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      – SubjectFull: Spectrum analysis
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      – TitleFull: Thermal behavior of a Langmuir-Blodgett film of dioctadecyldimethylammonium-Au(dmit)2 salt investigated by infrared spectroscopy
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            NameFull: Morita, Shin-ichi
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            NameFull: Sugi, Michio
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            NameFull: Ozaki, Yukihiro
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              M: 10
              Text: Oct2004
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              Y: 2004
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              Value: 464/465
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