Advanced Materials

Rough and Fine Tuning of Metal Work Function via Chemisorbed Self-Assembled Monolayers

Authors

  • Maria L. Sushko,

    Corresponding author
    1. London Centre for Nanotechnology and Department of Physics & Astronomy University College London 17-19 Gordon St. London WC1H 0AH (UK)
    • London Centre for Nanotechnology and Department of Physics & Astronomy University College London 17-19 Gordon St. London WC1H 0AH (UK).
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  • Alexander L. Shluger

    1. London Centre for Nanotechnology and Department of Physics & Astronomy University College London 17-19 Gordon St. London WC1H 0AH (UK)
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Abstract

The sign of the monolayer-induced metal work function change is mainly determined by the relative polarizabilities of the head- and tail-groups of the molecules, while its magnitude can be finely tuned by adjusting the strength of depolarization in the SAM, which depends on the choice of length of the nonpolarizable spacer between the polar groups.

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