Plasmonic nanocomposites of zinc oxide and titanium nitride

Chad A. Beaudette, Jacob T. Held, Benjamin L. Greenberg, Phong H. Nguyen, Nolan M. Concannon, Russell J. Holmes, K. Andre Mkhoyan, Eray S. Aydil, Uwe R. Kortshagen

Research output: Contribution to journalArticle

Abstract

The authors produce plasmonic ZnO-TiN nanocomposite films by depositing plasma-synthesized ZnO nanocrystals onto a substrate and then by infilling the nanocrystal network's pores with TiN via remote plasma-enhanced atomic layer deposition (PEALD). This ZnO-TiN nanocomposite exhibits a plasmonic resonance that is blueshifted compared to planar titanium nitride thin films. The authors study the effects of PEALD conditions and the ZnO film thickness on the plasmonic response of these nanocomposites and exploit the optimized film in a device that generates photocurrent at zero bias.

Original languageEnglish (US)
Article number042404
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume38
Issue number4
DOIs
StatePublished - Jul 1 2020

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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