Influence of silver doping on electron transport in thin films of PbSe nanocrystals

Moon Sung Kang, Ayaskanta Sahu, C. Daniel Frisbie, David J. Norris

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

Field-effect transistors are fabricated from thin films of Ag-doped PbSe nanocrystals to analyze the influence of electronically active impurities on electrical transport in this important material for nanocrystal applications. Data is collected as a function of nanocrystal size, dopant concentration, and temperature. Changes in the Fermi level and transport parameters indicate that Ag is acting as a p-type dopant (acceptor).

Original languageEnglish (US)
Pages (from-to)725-731
Number of pages7
JournalAdvanced Materials
Volume25
Issue number5
DOIs
StatePublished - Feb 6 2013

Keywords

  • PbSe nanocrystals
  • colloidal quantum dots
  • doping
  • electron transport
  • field-effect transistors

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