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The oscillatory adsorption of self‐assembled organosilane films on aluminium oxide surfaces.

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Title: The oscillatory adsorption of self‐assembled organosilane films on aluminium oxide surfaces.
Authors: Sims, R. A.1, Harmer‐Bassell, S. L.1, Quinton, J. S.1 jamie.quinton@flinders.edu.au
Source: Surface & Interface Analysis: SIA. Aug2018, Vol. 50 Issue 8, p813-818. 6p.
Subjects: Molecular self-assembly, Silane, Thin films, Aluminum oxide, Metallic surfaces, Crystal growth
Abstract: The time‐dependent oscillatory growth mechanism of organosilane film self‐assembly on aluminium oxide has been investigated using X‐ray photoelectron spectroscopy. While this unusual oscillatory process has been reported for the trifunctional silane, propyltrimethoxysilane, we report here, for the first time, that this oscillatory behaviour is also present during the self‐assembly of the difunctional silane propylmethyldimethoxysilane. The presence of multiple oscillations in this growth mechanism is also first reported for propyltrimethoxysilane and propylmethyldimethoxysilane as a function of exposure time. Multiple oscillations indicate that the 3‐component model that is used to describe and fit a single coverage oscillation must be reconsidered and contain additional components to account for the multiple oscillations seen experimentally. The absence of such oscillatory behaviour in the growth of the monofunctional organosilane propyldimethylmethoxysilane, which in fact follows a Langmuir‐type growth mechanism, indicates that this measurable oscillatory behaviour is because of the ability of multifunctional silanes to oligomerise both on the substrate and in solution. [ABSTRACT FROM AUTHOR]
Copyright of Surface & Interface Analysis: SIA is the property of Wiley-Blackwell 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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  Data: The oscillatory adsorption of self‐assembled organosilane films on aluminium oxide surfaces.
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  Data: <searchLink fieldCode="AR" term="%22Sims%2C+R%2E+A%2E%22">Sims, R. A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Harmer‐Bassell%2C+S%2E+L%2E%22">Harmer‐Bassell, S. L.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Quinton%2C+J%2E+S%2E%22">Quinton, J. S.</searchLink><relatesTo>1</relatesTo><i> jamie.quinton@flinders.edu.au</i>
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  Data: <searchLink fieldCode="JN" term="%22Surface+%26+Interface+Analysis%3A+SIA%22">Surface & Interface Analysis: SIA</searchLink>. Aug2018, Vol. 50 Issue 8, p813-818. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Molecular+self-assembly%22">Molecular self-assembly</searchLink><br /><searchLink fieldCode="DE" term="%22Silane%22">Silane</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+oxide%22">Aluminum oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Metallic+surfaces%22">Metallic surfaces</searchLink><br /><searchLink fieldCode="DE" term="%22Crystal+growth%22">Crystal growth</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The time‐dependent oscillatory growth mechanism of organosilane film self‐assembly on aluminium oxide has been investigated using X‐ray photoelectron spectroscopy. While this unusual oscillatory process has been reported for the trifunctional silane, propyltrimethoxysilane, we report here, for the first time, that this oscillatory behaviour is also present during the self‐assembly of the difunctional silane propylmethyldimethoxysilane. The presence of multiple oscillations in this growth mechanism is also first reported for propyltrimethoxysilane and propylmethyldimethoxysilane as a function of exposure time. Multiple oscillations indicate that the 3‐component model that is used to describe and fit a single coverage oscillation must be reconsidered and contain additional components to account for the multiple oscillations seen experimentally. The absence of such oscillatory behaviour in the growth of the monofunctional organosilane propyldimethylmethoxysilane, which in fact follows a Langmuir‐type growth mechanism, indicates that this measurable oscillatory behaviour is because of the ability of multifunctional silanes to oligomerise both on the substrate and in solution. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Surface & Interface Analysis: SIA is the property of Wiley-Blackwell 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: 10.1002/sia.6483
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 813
    Subjects:
      – SubjectFull: Molecular self-assembly
        Type: general
      – SubjectFull: Silane
        Type: general
      – SubjectFull: Thin films
        Type: general
      – SubjectFull: Aluminum oxide
        Type: general
      – SubjectFull: Metallic surfaces
        Type: general
      – SubjectFull: Crystal growth
        Type: general
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      – TitleFull: The oscillatory adsorption of self‐assembled organosilane films on aluminium oxide surfaces.
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            NameFull: Harmer‐Bassell, S. L.
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            NameFull: Quinton, J. S.
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            – D: 01
              M: 08
              Text: Aug2018
              Type: published
              Y: 2018
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            – TitleFull: Surface & Interface Analysis: SIA
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