PbS/CdS Quantum Dots, Longer near-infrared region, Organic solvent, 940nm

Typical Properties
Catalog	ACMA00022631
Purity	99.9 %
Appearance	Dispersion
Storage	Shelf life ≥ 1 yr if stored in dark between -15 and 8 °C
Absorption coefficient at first exciton peak	9.4 x 105 Liters/mole-cm
Composition	PbS/CdS
Diameter	4.1 nm
Diameter of core plus shell	4.8 nm
Emission Peak Width	137 nm
Fluorescent Emission Peak	940 nm
Functional Group	Alkane
Quality Level	100
Quantum Yield	≥ 70 %
Shipping	Ambient Temperature
Solvent	Toluene containing ≤ 1 % surfactant
Surfactant Coating	Oleic acid

Overview

Description

Our PbS/CdS quantum dots use PbS as the core, CdS as the shell, and the surface is coated with hydrophobic ligands, making them lipophilic and soluble in organic solvents such as toluene, chloroform, and heptane. Their narrow-band fluorescence emission wavelengths range from 900 nm to 1000 nm. Due to their efficient emission in the infrared spectral range, they have great potential for applications ranging from tunable infrared lasers to solar cells.

Features

·Good biocompatibility
·Small non-specific adsorption
·High quantum yield
·High molar extinction coefficient
·Strong optical stability
·Narrow emission spectrum

Application

·Bioluminescent label
·Sensitized solar cells
·White LED
·Electronic communications
·LCD