Chemistry Letters · 2005 · 54 citations · 9 references
Natural SciencesChemistryMaterials ScienceNanomaterialsNanotechnologySensorsFluorescence SpectroscopyInfrared SpectroscopyInorganic NanoparticlesLuminescent MaterialsNanoparticle DesignNanosensorsExcitationFluorescence SensingFluorescent SensorsInfrared SensorsNanocrystalsNanomaterial-based SensorsNanoparticle-based ProbesNear-infrared Emission
Abstract Water-soluble indium phosphide nanocrystals capped with mercaptoacetic acid were synthesized. The nanocrystals fluoresce in the near-infrared region with maximum excitation and emission wavelengths at 750 and 826 nm, respectively. The fluorescence intensity is significantly enhanced in the presence of Hg2+ ions. Under the optimum conditions, the fluorescence enhancement is in proportional to the concentration of Hg2+.
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