Colloidal Plasmonic Titanium Nitride Nanoparticles: Properties and Applications

Urcan Guler, Sergey Suslov, Alexander V. Kildishev, Alexandra Boltasseva, Vladimir M. Shalaev

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Optical properties of colloidal plasmonic titanium nitride nanoparticles are examined with an eye on their photothermal and photocatalytic applications via transmission electron microscopy and optical transmittance measurements. Single crystal titanium nitride cubic nanoparticles with an average size of 50 nm, which was found to be the optimum size for cellular uptake with gold nanoparticles [1], exhibit plasmon resonance in the biological transparency window and demonstrate a high absorption efficiency. A self-passivating native oxide at the surface of the nanoparticles provides an additional degree of freedom for surface functionalization. The titanium oxide shell surrounding the plasmonic core can create new opportunities for photocatalytic applications.
Original languageEnglish
JournalNanophotonics
Volume4
Issue number1
Pages (from-to)269-276
ISSN2192-8606
DOIs
Publication statusPublished - 2015

Keywords

  • Biotechnology
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • hot electrons
  • photocatalysis
  • photodynamic therapy
  • photothermal effect
  • plasmonic heating
  • refractory plasmonics
  • Degrees of freedom (mechanics)
  • High resolution transmission electron microscopy
  • Hot electrons
  • Light transmission
  • Nanoparticles
  • Nitrides
  • Optical properties
  • Photocatalysis
  • Photodynamic therapy
  • Plasmons
  • Single crystals
  • Titanium
  • Titanium oxides
  • Transmission electron microscopy
  • Absorption efficiency
  • Nitride nanoparticles
  • Photocatalytic application
  • Photothermal effects
  • Plasmonic heating
  • Plasmonics
  • Surface Functionalization
  • Transmittance measurements
  • Titanium nitride

Cite this

Guler, Urcan ; Suslov, Sergey ; Kildishev, Alexander V. ; Boltasseva, Alexandra ; Shalaev, Vladimir M. / Colloidal Plasmonic Titanium Nitride Nanoparticles: Properties and Applications. In: Nanophotonics. 2015 ; Vol. 4, No. 1. pp. 269-276.
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abstract = "Optical properties of colloidal plasmonic titanium nitride nanoparticles are examined with an eye on their photothermal and photocatalytic applications via transmission electron microscopy and optical transmittance measurements. Single crystal titanium nitride cubic nanoparticles with an average size of 50 nm, which was found to be the optimum size for cellular uptake with gold nanoparticles [1], exhibit plasmon resonance in the biological transparency window and demonstrate a high absorption efficiency. A self-passivating native oxide at the surface of the nanoparticles provides an additional degree of freedom for surface functionalization. The titanium oxide shell surrounding the plasmonic core can create new opportunities for photocatalytic applications.",
keywords = "Biotechnology, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Atomic and Molecular Physics, and Optics, hot electrons, photocatalysis, photodynamic therapy, photothermal effect, plasmonic heating, refractory plasmonics, Degrees of freedom (mechanics), High resolution transmission electron microscopy, Hot electrons, Light transmission, Nanoparticles, Nitrides, Optical properties, Photocatalysis, Photodynamic therapy, Plasmons, Single crystals, Titanium, Titanium oxides, Transmission electron microscopy, Absorption efficiency, Nitride nanoparticles, Photocatalytic application, Photothermal effects, Plasmonic heating, Plasmonics, Surface Functionalization, Transmittance measurements, Titanium nitride",
author = "Urcan Guler and Sergey Suslov and Kildishev, {Alexander V.} and Alexandra Boltasseva and Shalaev, {Vladimir M.}",
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Colloidal Plasmonic Titanium Nitride Nanoparticles: Properties and Applications. / Guler, Urcan; Suslov, Sergey; Kildishev, Alexander V.; Boltasseva, Alexandra; Shalaev, Vladimir M.

In: Nanophotonics, Vol. 4, No. 1, 2015, p. 269-276.

Research output: Contribution to journalJournal articleResearchpeer-review

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AB - Optical properties of colloidal plasmonic titanium nitride nanoparticles are examined with an eye on their photothermal and photocatalytic applications via transmission electron microscopy and optical transmittance measurements. Single crystal titanium nitride cubic nanoparticles with an average size of 50 nm, which was found to be the optimum size for cellular uptake with gold nanoparticles [1], exhibit plasmon resonance in the biological transparency window and demonstrate a high absorption efficiency. A self-passivating native oxide at the surface of the nanoparticles provides an additional degree of freedom for surface functionalization. The titanium oxide shell surrounding the plasmonic core can create new opportunities for photocatalytic applications.

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