Product Name: Near Infrared Water Soluble PbS/CdS Core Shell Quantum Dots, 940 nm
Specifications:
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Chemical Composition
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PbS/CdS
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Surfactant coating – Acid
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Thiol w/ carboxylic acid end group
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Surfactant coating – Amine
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Thiol w/ primary amine end group
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Surfactant coating – Diol
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Thiol with 2 adjacent hydroxyl end group
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Diameter of core
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4.1 nm
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Diameter of core plus shell
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4.8 nm
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Fluorescent Emission Peak
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940 nm ±10 nm
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Emission Peak Width (FWHM)
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137 nm
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Absorption coefficient at first exciton peak
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9.4 x 105 Liters/mole-cm
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Shelf life ≥1 yr if stored in dark between -15 and 8˚C
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Spectra:
