Product Name: Near Infrared Water Soluble PbS/CdS Core Shell Quantum Dots, 920 nm


Chemical Composition
Surfactant coating – Acid
Thiol w/ carboxylic acid end group
Surfactant coating – Amine
Thiol w/ primary amine end group
Surfactant coating – Diol
Thiol with 2 adjacent hydroxyl end group
Diameter of core
4.0 nm
Diameter of core plus shell
4.7 nm
Fluorescent Emission Peak
920 nm ±10 nm
Emission Peak Width (FWHM)
154 nm
Absorption coefficient at first exciton peak
8.5 x 105 Liters/mole-cm
Shelf life ≥1 yr if stored in dark between -15 and 8˚C