Journal of Applied Physics · 2015 · 125 citations · 38 references
Natural SciencesMaterials EngineeringMaterials ScienceNanomaterialsOptical MaterialsSpectroscopyFluorescence SpectroscopyInfrared SpectroscopyInorganic NanoparticlesNanomaterial CharacterizationOptical SpectroscopyRare-earth-doped MaterialsAbsorption SpectraBioimagingBioimaging NanomaterialsInfrared Absorption SpectraInfrared Absorption SpectroscopyInfrared EmissionRare-earth-doped NanoparticlesSpectral Line Shapes
The spectroscopic properties of different infrared-emitting neodymium-doped nanoparticles (LaF3:Nd3+, SrF2:Nd3+, NaGdF4: Nd3+, NaYF4: Nd3+, KYF4: Nd3+, GdVO4: Nd3+, and Nd:YAG) have been systematically analyzed. A comparison of the spectral shapes of both emission and absorption spectra is presented, from which the relevant role played by the host matrix is evidenced. The lack of a “universal” optimum system for infrared bioimaging is discussed, as the specific bioimaging application and the experimental setup for infrared imaging determine the neodymium-doped nanoparticle to be preferentially used in each case.
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