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Determination of the Electronic Energy Levels of Colloidal Nanocrystals using Field-Effect Transistors and Ab-Initio Calculations

  • Satria Zulkarnaen Bisri
  • , Elena Degoli
  • , Nicola Spallanzani
  • , Gopi Krishnan
  • , B. Kooi
  • , C. Ghica
  • , Maksym Yarema
  • , Wolfgang Johann Heiß
  • , Olivia Pulci
  • , Stefano Ossicini
  • , Maria Antonietta Loi

Research output: Contribution to journalArticlepeer-review

Abstract

Colloidal nanocrystals electronic energy levels are determined by strong size-dependent quantum confinement. Understanding the configuration of the energy levels of nanocrystal superlattices is vital in order to use them in heterostructures with other materials. A powerful method is reported to determine the energy levels of PbS nanocrystal assemblies by combining the utilization of electric-double-layer-gated transistors and advanced ab-initio theory.
Original languageEnglish
Pages (from-to)5639-5645
Number of pages7
JournalAdvanced Materials
Volume26
Issue number32
DOIs
Publication statusPublished - 27 Aug 2014

Fields of science

  • 210006 Nanotechnology
  • 103 Physics, Astronomy
  • 103011 Semiconductor physics
  • 103018 Materials physics
  • 202032 Photovoltaics
  • 103009 Solid state physics
  • 103017 Magnetism

JKU Focus areas

  • Engineering and Natural Sciences (in general)

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