Publication | Closed Access
Functional InP Nanocrystals as Novel Near-infrared Fluorescent Sensors for Mercury Ions
54
Citations
9
References
2005
Year
EngineeringHg2+ IonsColloidal NanocrystalsChemistryLuminescence PropertyChemical EngineeringPhosphorescence ImagingMercury IonsMercaptoacetic AcidNanosensorChemical SensorBiophysicsNanotechnologyFunctional Inp NanocrystalsNanocrystalline MaterialFunctional NanomaterialsNanomaterialsFluorescence IntensityPhosphorescence
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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