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Key Documents

747076

Sigma-Aldrich

PbS core-type quantum dots

oleic acid coated, fluorescence λem 1400 nm, 10 mg/mL in toluene

Sinónimos:

CANdot®, Fluorescent nanocrystals, QDs, artificial atoms

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About This Item

Fórmula empírica (notación de Hill):
PbS
Peso molecular:
239.27
UNSPSC Code:
26111700
NACRES:
NA.23

Quality Level

100

form

liquid

concentration

10 mg/mL in toluene

fluorescence

λem 1400 nm

storage temp.

2-8°C

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Application

Our PbS quantum dots have a fully crystalline inorganic core and are organically stabilized with an oleic acid coating, which makes their surface hydrophobic in nature. They exhibit high colloidal and thermal stability, as well as strong emissions with narrow fluorescence bands, owing to their small particle size distributions. These particles absorb all light in the UV, VIS and NIR, up to 900 nm. Their size-dependent absorption and emission properties make them suitable for different applications: such as, absorber materials in photovoltaics, detectors and photodiodes, and phosphors in IR-emitters (solid state lighting, SSL), among many others.

Legal Information

Fraunhofer CAN is a research division of the Fraunhofer IAP
CANdot is a registered trademark of Fraunhofer CAN

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 1A - Skin Irrit. 2 - STOT RE 2 - STOT RE 2 Inhalation - STOT SE 3

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

39.2 °F - closed cup

flash_point_c

4 °C - closed cup

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Certificados de análisis (COA)

Lot/Batch Number
MKCW7066
MKCV2432
MKCR7130
MKCP9657
MKCM2408

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CdS and PbS quantum dots co-sensitized TiO2 nanorod arrays with improved performance for solar cells application
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Materials Science in Semiconductor Processing, 16(2), 435-440 (2013)
Steven A McDonald et al.
Nature materials, 4(2), 138-142 (2005-01-11)
In contrast to traditional semiconductors, conjugated polymers provide ease of processing, low cost, physical flexibility and large area coverage. These active optoelectronic materials produce and harvest light efficiently in the visible spectrum. The same functions are required in the infrared
Decoration of PbS nanoparticles on Al-doped ZnO nanorod array thin film with hydrogen treatment as a photoelectrode for solar water splitting
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J. Alloy Compounds, 554, 45-50 (2013)
Randy J Ellingson et al.
Nano letters, 5(5), 865-871 (2005-05-12)
We report ultra-efficient multiple exciton generation (MEG) for single photon absorption in colloidal PbSe and PbS quantum dots (QDs). We employ transient absorption spectroscopy and present measurement data acquired for both intraband as well as interband probe energies. Quantum yields

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