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244600

Sigma-Aldrich

Cadmium selenide

-325 Mesh particle size, 99.99% trace metals basis, electronic grade

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About This Item

Fórmula empírica (notación de Hill):
CdSe
Número de CAS:
1306-24-7
Peso molecular:
191.37
Número CE:
215-148-3
Número MDL:
MFCD00010917
Código UNSPSC:
12352300
ID de la sustancia en PubChem:
24854687
NACRES:
NA.23

grado

electronic grade

Nivel de calidad

100

Ensayo

99.99% trace metals basis

Formulario

powder

densidad

5.81 g/mL at 25 °C (lit.)

cadena SMILES

[Se]=[Cd]

InChI

1S/Cd.Se

Clave InChI

AQCDIIAORKRFCD-UHFFFAOYSA-N

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Descripción general

CdSe crystal can exist in solid hexagonal or cubic structure. CdSe behaves as an n-type semiconductor, with a bandgap of 1.74 eV (300K).1

Aplicación

Dispersions with CdS (Aldrich products 208183, 217921) deposited on glass or Si substrates results in tunable red, yellow, or green fluorescent material.

Envase

Packaged in glass bottles

Palabra de señalización

Danger

Clasificaciones de peligro

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2 Oral

Órganos de actuación

Kidney,Bone

Código de clase de almacenamiento

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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Certificados de análisis (COA)

Lot/Batch Number
MKCV9247
MKCT5155
MKCK1236
MKCQ1373
MKCC7760

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Si necesita una versión concreta, puede buscar un certificado específico por el número de lote.

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Ying Wang et al.
Journal of the American Chemical Society, 125(10), 2830-2831 (2003-03-06)
Indiscriminate adsorption of nanoparticles (NPs) significantly complicates the preparation of mesoscale NP patterns considered as enabling technology for many devices and processes. Instead of selected chemical functionalization of the substrate surface prior to the assembly of nanocolloids, the required optical
J W Fellowes et al.
Nanotechnology, 24(14), 145603-145603 (2013-03-20)
Luminescent quantum dots were synthesized using bacterially derived selenide (Se(II-)) as the precursor. Biogenic Se(II-) was produced by the reduction of Se(IV) by Veillonella atypica and compared directly against borohydride-reduced Se(IV) for the production of glutathione-stabilized CdSe and β-mercaptoethanol-stabilized ZnSe
Lu Kong et al.
Journal of nanoscience and nanotechnology, 12(11), 8258-8265 (2013-02-21)
Quantum dots are being widely used in physics and in the biomedical industry in recent years due to their excellent optical characteristics. However, studies have shown that cadmium selenide core-shell quantum dots exhibit cytotoxicity. The present study investigates the induction
Bryan T Spann et al.
Optics express, 21 Suppl 1, A15-A22 (2013-02-15)
Ultrafast time-resolved absorption spectroscopy is used to investigate exciton dynamics in CdSe nanocrystal films. The effects of morphology, quantum-dot versus quantum-rod, and preparation of nanocrystals in a thin film form are investigated. The measurements revealed longer intraband exciton relaxation in
Svetlana V Kilina et al.
Physical review letters, 110(18), 180404-180404 (2013-05-21)
Quantum confinement can dramatically slow down electron-phonon relaxation in nanoclusters. Known as the phonon bottleneck, the effect remains elusive. Using a state-of-the-art time-domain ab initio approach, we model the observed bottleneck in CdSe quantum dots and show that it occurs
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