Nanoparticles of Cu2ZnSnS4 as performance enhancing additives for organic field-effect transistors

Punarja Kevin, Mohammad Azad Malik, Paul O'Brien, Joseph Cameron, Rupert G. D. Taylor, Neil J. Findlay, Anto R. Inigo, Peter J. Skabara

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Abstract

The addition of oleylamine coated Cu2ZnSnS4 (CZTS) nanoparticles to solutions of an organic semiconductor used to fabricate organic field-effect transistors (OFETs) has been investigated. The oligothiophene-based small molecule 5T-TTF and the polymer poly(3-hexylthiophene) (P3HT) were each applied in the transistors with various concentrations of CZTS (5-20%). Atomic force microscopy (AFM) was applied to characterise the surface morphology of the OFETs. The use of 5 and 10 wt% of the CZTS nanoparticles in 5T-TTF and P3HT solutions, respectively, appears to be a simple and effective way of improving OFET performance.
Original languageEnglish
Pages (from-to)5109-5115
Number of pages7
JournalJournal of Materials Chemistry. C
Volume4
Issue number22
Early online date5 May 2016
DOIs
Publication statusPublished - 14 Jun 2016

Keywords

  • organic semiconductors
  • surphase morhpology
  • atomic force microscopy

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