900733

Sigma-Aldrich

PbS core-type quantum dots

oleic acid coated, fluorescence λem 900 nm, 10 mg/mL in toluene

Sinónimos:
Lead sulfide, PbS QDs, Fluorescent nanocrystals
Fórmula lineal:
PbS
Número de CAS:

Nivel de calidad

100

concentración

10 mg/mL in toluene

fluorescencia

λem 900 nm

temp. de almacenamiento

2-8°C

InChI

1S/Pb.H2S/h;1H2

InChI key

MIXDRAMRMDOQJH-UHFFFAOYSA-N

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Aplicación

The size for our lead sulfide (PbS) quantum dots (QDs) varies between 2.5 to 8 nm and depending upon this, these QDs emit between 900-1600 nm. Our PbS QDs possess high quantum yield, sharp emission and exhibit narrow fluorescence band (full width at half maximum <100 nm), which make them suitable as light absorber or IR emitter in applications in solar cells, photodetectors and infrared light emitting diodes (LEDs) .

Palabra de señalización

Danger

hazcat

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

Órganos de actuación

Central nervous system

storage_class_code

3 - Flammable liquids

WGK Alemania

WGK 3

Punto de inflamabilidad F

46.4 °F - closed cup

Punto de inflamabilidad C

8 °C - closed cup

Certificado de Análisis

Certificado de origen

Gerasimos Konstantatos et al.
Nature nanotechnology, 5(6), 391-400 (2010-05-18)
The detection of photons underpins imaging, spectroscopy, fibre-optic communications and time-gated distance measurements. Nanostructured materials are attractive for detection applications because they can be integrated with conventional silicon electronics and flexible, large-area substrates, and can be processed from the solution...
Xinzheng Lan et al.
Advanced materials (Deerfield Beach, Fla.), 28(2), 299-304 (2015-11-19)
A solution-based passivation scheme is developed featuring the use of molecular iodine and PbS colloidal quantum dots (CQDs). The improved passivation translates into a longer carrier diffusion length in the solid film. This allows thicker solar-cell devices to be built...
Highly efficient quantum dot near-infrared light-emitting diodes.
Gong X, et al.
Nature Photonics, 10, 253-257 (2016)
Artículos
Quantum Dots for Electronics and Energy Applications
Más información
Professor Sharma and colleagues review the synthesis and applications of this novel material. This includes a discussion of the unique properties of quantum dots and their suitability for solar cell applications, along with common synthesis techniques used to develop these materials.
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Professor Xiaohu Gao (University of Washington, USA) provides a overview of recent quantum dot (QD) advancements and their potential for advancing bioassay and bioimaging technologies.
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Colloidal quantum dots (QDs) are solution-processable luminescent materials that can produce high-quality color in light emitting diodes (LEDs).
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