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Self assembled monolayers on silicon for molecular electronics.

D K Aswal1, S Lenfant, D Guerin

  • 1Institut d'Electronique, Microelectronique et Nanotechnologie-CNRS Molecular Nanostructures & Devices group BP60069, avenue Poincare, F-59652 cedex, Villeneuve d'Ascq, France. dkaswal@yahoo.com

Analytica Chimica Acta
|September 1, 2007
PubMed
Summary
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Self-assembled monolayers (SAMs) on silicon are crucial for molecular electronics. This review covers SAMs fabrication, characterization, and electronic transport, paving the way for novel molecular devices.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Surface Chemistry

Background:

  • Organic monolayers on silicon are key components in molecular electronics.
  • Self-assembly offers a versatile route to fabricate these monolayers.
  • Understanding their properties is essential for device development.

Purpose of the Study:

  • To provide a comprehensive overview of self-assembled monolayers (SAMs) on silicon for molecular electronics.
  • To review chemical strategies, characterization techniques, and electronic transport models for SAMs.
  • To discuss the realization of molecular electronic components using SAMs.

Main Methods:

  • Review of chemical grafting strategies for alkane SAMs on silicon.
  • Discussion of characterization techniques for SAMs (thickness, ordering, coverage, kinetics, composition).

Related Experiment Videos

  • Analysis of theoretical models for electronic transport and experimental data.

    • Main Results:

    • Short alkyl chains in SAMs align well with tunneling transport models.
    • Longer alkyl chains require further investigation for transport mechanism elucidation.
    • Various molecular electronic components (diodes, transistors, memory) can be realized using SAM architectures.

    Conclusions:

    • SAMs on silicon are promising for molecular electronics.
    • Characterization and theoretical modeling are vital for understanding SAM behavior.
    • Further research on long alkyl chains and device architectures will advance the field.