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QDot™ PbS Quantum Dots, oleic acid capped

$399.00 – $2,500.00

QDot™ PbS (Lead Sulfide) Quantum Dots, oleic acid capped, absorb the light from high energy photons up to near-infrared (NIR)/short-wave infrared (SWIR) ranges and re-emit in NIR/SWIR ranges. The absorption/emission profiles can be tuned from 800 to 2200 nm, simply by changing nanoparticle sizes from 2 to 12 nm. This material has outstanding light absorption and photoelectrical properties, and is utilised for near-infrared (NIR) or short-wave infrared (SWIR) image sensors. For specific application convenience, two lines of QDs are available:
• With specific absorption peak in 800 – 2200 nm range
• With specific emission peak in 900 – 1600 nm range

Description

QDot™ PbS (Lead Sulfide) Quantum Dots, oleic acid capped, absorb the light from high energy photons up to near-infrared (NIR)/short-wave infrared (SWIR) ranges and re-emit in NIR/SWIR ranges. The absorption/emission profiles can be tuned from 800 to 2200 nm, simply by changing nanoparticle sizes from 2 to 12 nm. This material has outstanding light absorption and photoelectrical properties, and is utilised for near-infrared (NIR) or short-wave infrared (SWIR) image sensors. The material is also suitable for X-ray image sensors and infrared LEDs.

For specific application convenience, two lines of QDs are available:

With specific absorption peak in 800 – 2200 nm range
With specific emission peaks in 900 – 1600 nm range

QDot™ PbS Quantum Dots have following advantages:

Optoelectronic device grade QDs to be used in near-infrared (NIR) or short-wave infrared (SWIR) image sensors
Unprecedented absorption/emission peaks accuracy and reproducibility (up to +/-5 nm)
Narrow particle size distribution (FWHM of absorption and emission < 100-120 nm, STDV < 5-10%) for higher devices performance

QDot™ PbS QDs, oleic acid capped, can be supplied as a solid paste/powder that is easily soluble in octane or any other non-polar solvents (hexane, toluene, chloroform, chlorobenzene, dichlorobenzene) in a wide range of concentration up to 100-150 mg/mL. Follow the video for the detailed guide how to dissolve the QDot™ PbS powders. PbS QDs in a solution form (octane, toluene or other non-polar solvents) are also available.

Click here to view the Technical Specification for detailed information.

This product is also found on Merk/Millipore Sigma.

QDot™ is a trademark of QUANTUM SOLUTIONS. Contact us to make any requests and questions or buy products online

Technical Data

Downloads

Technical Data Sheet

Application Guidance

Safety Data Sheet

QDot™ PbS Quantum Dots have the following advantages:

Optoelectronic device grade QDs to be used in near-infrared (NIR) or short-wave infrared (SWIR) image sensors
Unprecedented absorption/emission peaks accuracy and reproducibility (up to +/-5 nm)
Narrow particle size distribution (FWHM of absorption and emission < 100-120 nm, STDV < 5-10%) for higher devices performance

QDot™ PbS QDs selection guidance
QDot™ PbS Quantum Dots have a broad absorption profile, from high energy photons up to NIR light.

Looking closer in the NIR range reveals that QDs can be categorised according to their absorption profile (red line “Absorption”) or emission profile (purple line “Emission). Absorption profile is categorised according to the first excitonic absorption peak, the absorption FWHM and the peak-to-valley ratio. Emission profile is characterised by emission peak, emission FWHM and PLQY. The difference between the first excitonic absorption peak and emission peal is called a stokes shift. Follow Table 1 to choose QDot™ materials based on absorption (abs) parameters, and Table 2 to choose QDot™ materials based on emission (em) parameters. QDot™ PbS QDs, oleic acid capped, can be supplied as a solid paste/powder that is easily soluble in octane or any other non-polar solvents (hexane, toluene, chloroform, chlorobenzene, dichlorobenzene) in a wide range of concentration up to 100-150 mg/mL. PbS QDs in a solution form (octane, toluene or other non-polar solvents) are also available.

Table 1. Specification of QDot™ PbS Quantum Dots according to absorption (abs) peak

Catalogue Number	Core type	Absorption peak (Abs=1)	Average PbS core size	Capping ligand	Ligand concentration	Appearance	FWHM of absorption (Abs=1)	Peak-to-valley ratio	Stokes shift	Max solubility in nonpolar solvents	Form available
QDot™ PbS-800-abs	PbS	800 +/- 15 nm	2.9 nm (TEM)	Oleic acid	40-50 wt%	Black paste	-	> 1.2	140 nm	>150 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-900-abs	PbS	900 +/- 15 nm	3.2 nm (TEM)	Oleic acid	35-45 wt%	Black paste	< 120 nm	> 1.5	120 nm	>150 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-920-abs	PbS	920 +/- 15 nm	3.4 nm (TEM)	Oleic acid	35-45 wt%	Black paste	< 120 nm	> 1.5	120 nm	> 150 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1000-abs	PbS	1000 +/- 15 nm	3.6 nm (TEM)	Oleic acid	35-45 wt%	Black paste	< 120 nm	> 2	110 nm	>100 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1100-abs	PbS	1100 +/- 15 nm	4.0 nm (TEM)	Oleic acid	30-40 wt%	Black powder	< 120 nm	> 3	100 nm	>100 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1200-abs	PbS	1200 +/- 15 nm	4.5 nm (TEM)	Oleic acid	30-40 wt%	Black powder	< 120 nm	> 4	90 nm	>100 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1300-abs	PbS	1300 +/- 15 nm	5.0 nm (TEM)	Oleic acid	30-40 wt%	Black powder	< 120 nm	> 5	80 nm	>100 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1400-abs	PbS	1400 +/- 15 nm	5.5 nm (TEM)	Oleic acid	25-35 wt%	Black powder	< 120 nm	> 5	70 nm	>100 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1420-abs	PbS	1420 +/- 15 nm	5.6 nm (TEM)	Oleic acid	25-35 wt%	25-35 wt%	< 120 nm	> 5	70 nm	>100 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1500-abs	PbS	1500 +/- 15 nm	6.0 nm (TEM)	Oleic acid	25-35 wt%	Black powder	< 120 nm	> 6	50 nm	>50 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1520-abs	PbS	1520 +/- 15 nm	6.1 nm (TEM)	Oleic acid	25-35 wt%	Black powder	< 120 nm	> 6	50 nm	>50 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1600-abs	PbS	1600 +/- 20 nm	6.4 nm (TEM)	Oleic acid	20-30 wt%	Black powder	< 120 nm	> 6	40 nm	>50 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1700-abs	PbS	1700 +/- 25 nm	7.0 nm (TEM)	Oleic acid	20-30 wt%	Black powder	< 150 nm	> 3	N/A	>50 mg/mL	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1800-abs	PbS	1800 +/- 30 nm	7.5 nm (TEM)	Oleic acid	15-25 wt%	Black powder	< 200 nm	> 2	N/A	>50 mg/mL	- Solid - Octane 10 mg/mL
QDot™ PbS-1900-abs	PbS	1900 +/- 50 nm	8.2 nm (TEM)	Oleic acid	15-25 wt%	Black powder	< 220 nm	> 1.5	N/A	50 mg/mL	- Solid - Octane 10 mg/mL
QDot™ PbS-2000-abs	PbS	2000 +/- 50 nm	9.1 nm (TEM)	Oleic acid	10-20 wt%	Black powder	< 220 nm	> 1.5	N/A	50 mg/mL	- Solid - Octane 10 mg/mL
QDot™ PbS-2100-abs	PbS	2100 +/- 50 nm	10.2 nm (TEM)	Oleic acid	<15 wt%	Black powder	-	-	N/A	50 mg/mL	- Solid
QDot™ PbS-2200-abs	PbS	2200 +/- 50 nm	11.6 nm (TEM)	Oleic acid	<15 wt%	Black powder	-	-	N/A	50 mg/mL	- Solid

QDot™ PbS Quantum Dots with different solvents, concentrations, emission, and absorptions peaks are available upon request.

pbs03 — Optical profiles of QDot™ PbS Quantum Dots according to absorption (abs) peak

Table 2. Specification of QDot™ PbS Quantum Dots according to emission (em) peak

Catalogue Number	Core type	Emission peak (Abs=1)	Average PbS core size	Capping ligand	Ligand concentration	Appearance	FWHM of emission (Abs=1)	PLQY (Abs=0.1)	Stokes shift	Form available
QDot™ PbS-900-em	PbS	900 +/- 25 nm	2.7 nm	Oleic acid	40-50 wt%	Black paste	< 130 nm	>40% (see page 6)	120 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1000-em	PbS	1000 +/- 25 nm	3.0 nm	Oleic acid	35-45 wt%	Black paste	< 130 nm	>40% (see page 6)	110 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1100-em	PbS	1100 +/- 25 nm	3.3 nm	Oleic acid	35-45 wt%	Black powder	< 130 nm	>40% (see page 6)	100 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1200-em	PbS	1200 +/- 25 nm	3.8 nm	Oleic acid	30-40 wt%	Black powder	< 130 nm	>30% (see page 6)	90 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1300-em	PbS	1300 +/- 25 nm	4.5 nm	Oleic acid	30-40 wt%	Black powder	< 140 nm	>30% (see page 6)	80 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1400-em	PbS	1400 +/- 25 nm	5 nm	Oleic acid	30-40 wt%	Black powder	< 140 nm	>15% (see page 6)	70 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1500-em	PbS	1500 +/- 25 nm	5.5 nm	Oleic acid	25-35 wt%	Black powder	< 140 nm	>15% (see page 6)	50 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL
QDot™ PbS-1600-em	PbS	1600 +/- 25 nm	6 nm	Oleic acid	25-35 wt%	Black powder	< 140 nm	>15% (see page 6)	40 nm	- Solid - Toluene 10 mg/mL - Octane 10 mg/mL

QDot™ PbS Quantum Dots with different solvents, concentrations, emission and absorptions peaks are available upon request.

Optical profiles of QDot™ PbS Quantum Dots according to emission (em) peak

TEM images (click to view TEM images and particle size distribution for all products)

Notes for handling

Shelf Life 12 months. Shipping temperature from 4-25 °C. Storage temperature from 4-25 °C. Store in DARK conditions, in original packaging or in airtight, sealed packaging inside a glovebox (under inert atmosphere). Repackage or dissolve in a glovebox only. Use anhydrous solvents only. Avoid contact with air.

PbS QDs solids are easily soluble in octane, or any other non-polar solvents (hexane, toluene, chloroform, chlorobenzene, dichlorobenzene) in a wide range of concentrations up to 100-150 mg/mL (see Table 1). Dissolve in a glove box only. Use anhydrous solvents only. Filter the solution by PTFE or PVDF filters before processing. Follow the video for the detailed guide how to dissolve the QDot™ PbS powders:
https://www.youtube.com/watch?v=-sLBZwA147c

Pricing

QDot™ PbS Quantum Dots according to absorption (abs) peak:

Catalog Number	Description	Quantity	Price
QDot™ PbS-800-abs	PbS quantum dots, 800 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-900-abs	PbS quantum dots, 900 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-920-abs	PbS quantum dots, 920 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1000-abs	PbS quantum dots, 1000 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1100-abs	PbS quantum dots, 1100 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1200-abs	PbS quantum dots, 1200 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1300-abs	PbS quantum dots, 1300 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1400-abs	PbS quantum dots, 1400 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1420-abs	PbS quantum dots, 1420 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1500-abs	PbS quantum dots, 1500 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1520-abs	PbS quantum dots, 1520 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1600-abs	PbS quantum dots, 1600 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1700-abs	PbS quantum dots, 1700 nm absorption peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $2,500.00
QDot™ PbS-1800-abs	PbS quantum dots, 1800 nm absorption peak, solid or in solvent (octane)	100 mg 300 mg 1 g	$399.00 $899.00 $2,500.00
QDot™ PbS-1900-abs	PbS quantum dots, 1900 nm absorption peak, solid or in solvent (octane)	100 mg 300 mg 1 g	$399.00 $899.00 $2,500.00
QDot™ PbS-2000-abs	PbS quantum dots, 2000 nm absorption peak, solid or in solvent (octane)	100 mg 300 mg 1 g	$399.00 $899.00 $2,500.00
QDot™ PbS-2100-abs	PbS quantum dots, 2100 nm absorption peak, solid	300 mg 1 g	$899.00 $2,500.00
QDot™ PbS-2200-abs	PbS quantum dots, 2200 nm absorption peak, solid	300 mg 1 g	$899.00 $2,500.00

QDot™ PbS Quantum Dots according to emission (em) peak:

Catalog Number	Description	Quantity	Price
QDot™ PbS-900-em	PbS quantum dots, 900 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1000-em	PbS quantum dots, 1000 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1100-em	PbS quantum dots, 1100 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1200-em	PbS quantum dots, 1200 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1300-em	PbS quantum dots, 1300 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1400-em	PbS quantum dots, 1400 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1500-em	PbS quantum dots, 1500 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00
QDot™ PbS-1600-em	PbS quantum dots, 1600 nm emission peak, solid or in solvent (toluene or octane)	100 mg 300 mg 1 g	$399.00 $899.00 $1,700.00