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Updated: Jan 30, 2026

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
Published on: May 28, 2016
Synthesis of Plasmonic Group-4 Nitride Nanocrystals by Solid-State Metathesis
Reem A Karaballi1, Govinda Humagain1, Benjamin R A Fleischman1
1Chemistry Department, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia, Canada.
Abstract:
Ceramic nanoparticles that exhibit a plasmonic response are promising next-generation photonic materials. In this contribution, a solid-state metathesis method has been reported for the synthesis of Group 4 nitride (TiN, ZrN, and HfN) nanocrystals. A high-temperature (1000 °C) reaction between Group 4 metal oxide (TiO2 , ZrO2 , and HfO2 ) nanoparticles and magnesium nitride powder yielded nitride nanocrystals that were dispersible in water. A localized surface plasmonic resonance was observed in the near-infrared region for TiN and in the visible region of light for ZrN and HfN nanocrystals. The frequency of the plasmon resonance was dependent on the refractive index of the solvent and the nanocrystal size.
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