Product Name Near Visible Soluble CdSe/ZnS core shell quantum dots, 680 nm

Specifications:
Chemical Composition
CdSe/ZnS
Surfactant coating – Acid (yy = Ac)
Thiol w/ carboxylic acid end group
Surfactant coating – Amine (yy = Am)
Thiol w/ primary amine end group
Surfactant coating – Diol (yy = OH)
Thiol with 2 adjacent hydroxyl end group
Diameter of core
7.9 nm
Diameter of core plus shell
9.8 nm
Fluorescent Emission Peak
680 nm ±10 nm
Emission Peak Width (FWHM)
45
Absorption coefficient at first exciton peak
1.4 x 106 Liters/mole-cm
Molecular Weight, core + shell 1.49 x 106 g/mole
Shelf life ≥1 yr if stored in dark between -15 and 8˚C
 
Spectra: