Colloidal Plasmonic Titanium Nitride Nanoparticles: Properties and Applications

Research output: Research - peer-reviewJournal article – Annual report year: 2015



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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
Issue number1
Pages (from-to)269-276
StatePublished - 2015
CitationsWeb of Science® Times Cited: 31

    Research areas

  • 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
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ID: 118265380