First principles investigations of InN non-polar surfaces and nanowires (Comunicazione a convegno)

Type
Label
  • First principles investigations of InN non-polar surfaces and nanowires (Comunicazione a convegno) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Terentjevs A.; Catellani A.; Cicero G. (2008)
    First principles investigations of InN non-polar surfaces and nanowires
    in Conference on Molecular Simulations in Biosystems and Material Science, Konstanz (DE)
    (literal)
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  • Terentjevs A.; Catellani A.; Cicero G. (literal)
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  • In: SimBioMa - Conference on Molecular Simulations in Biosystems and Material Science (Konstanz (DE), 2 - 5 Aprile 2008). (literal)
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  • In the last years InN nanostructures have been proposed for application in solar cells, because the outstanding electronic properties of this nitride compound. An increase of solar energy conversion in these kinds of cells requires a deep knowledge of surfaces properties, and on the effect of confinement on the electronic properties of the material. Here we present an investigation of the structural and electronic properties of InN nanowires as obtained by means of ab initio Density Functional calculations. First we discuss the results for the clean [1-100] and [11-20] faces, which are usually exposed in nanostructures, then we show how InN electronic properties change in nanowires due to confinement effects. We will finally present a possible InN functionalization pathway based on the use of molecules containing thiol groups. Our results show that thiols may attach to the surface following an exothermic process (Dissociation Energy is about 2.5 eV/mol for the [11-20] surface), thus they represent an effective anchoring group for the realization of hybrid InN based devices. (literal)
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  • Dipartimento di Fisica, Politecnico di Torino, Italy, CNR-IMEM, Parma (literal)
Titolo
  • First principles investigations of InN non-polar surfaces and nanowires (literal)
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