Local Heating with Lithographically Fabricated Plasmonic Titanium Nitride Nanoparticles

Urcan Guler, Justus C. Ndukaife, Gururaj V. Naik, A. G. Agwu Nnanna, Alexander V. Kildishev, Vladimir M. Shalaev, Alexandra Boltasseva

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Titanium nitride is considered a promising alternative plasmonic material and is known to exhibit localized surface plasmon resonances within the near-infrared biological transparency window. Here, local heating efficiencies of disk-shaped nanoparticles made of titanium nitride and gold are compared in the visible and near-infrared regions numerically and experimentally with samples fabricated using e-beam lithography. Results show that plasmonic titanium nitride nanodisks are efficient local heat sources and outperform gold nanodisks in the biological transparency window, dispensing the need for complex particle geometries.
Original languageEnglish
JournalNano Letters
Volume13
Issue number12
Pages (from-to)6078–6083
ISSN1530-6984
DOIs
Publication statusPublished - 2013

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