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Issue 29, 2011
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Molecular controlled nano-devices

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Abstract

In this perspective we present several examples of the ability to control electronic and magnetic properties of nano-devices by adsorbing on their surfaces organized self-assembled monolayers (SAM) of organic molecules. The work presented focuses on research in which we were involved and is aimed at demonstrating the ability to control physical properties of metal and semiconductor films by complementing them with the properties of a SAM. The organization of molecules on a surface produces a pseudo two-dimensional dipole layer, owing to the dipolar property of each of the molecules. The field confined in the layer could be enormous, however the molecules are either depolarized or charge is transferred between the substrate and the layer so as to reduce the energy of the dipole layer. This charge transfer process can be exploited for the use of hybrid-organic–inorganic devices as sensors, as wavelength specific light detectors, or for varying the critical temperature in semiconductor ferromagnets. The concept presented here, for combining electronic properties of organic molecules with those of the inorganic substrate, is another venue toward “molecular controlled electronics”.

Graphical abstract: Molecular controlled nano-devices

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Publication details

The article was received on 08 Apr 2011, accepted on 31 May 2011 and first published on 24 Jun 2011


Article type: Perspective
DOI: 10.1039/C1CP21106D
Phys. Chem. Chem. Phys., 2011,13, 13153-13161

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    Molecular controlled nano-devices

    R. Naaman, Phys. Chem. Chem. Phys., 2011, 13, 13153
    DOI: 10.1039/C1CP21106D

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