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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 (Notação de Hill):
CdSe
Número CAS:
1306-24-7
Peso molecular:
191.37
Número CE:
215-148-3
Número MDL:
MFCD00010917
Código UNSPSC:
12352300
ID de substância PubChem:
24854687
NACRES:
NA.23

grau

electronic grade

Nível de qualidade

100

Ensaio

99.99% trace metals basis

forma

powder

densidade

5.81 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

[Se]=[Cd]

InChI

1S/Cd.Se

chave InChI

AQCDIIAORKRFCD-UHFFFAOYSA-N

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Descrição geral

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

Aplicação

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

Embalagem

Packaged in glass bottles

Palavra indicadora

Danger

Classificações de perigo

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

Código de classe de armazenamento

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

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

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

Certificados de análise (COA)

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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
David T R Stewart et al.
Environmental toxicology and chemistry, 32(6), 1288-1294 (2013-02-19)
The present study addresses the bioaccumulation behavior of cadmium selenide quantum dots by Eisenia andrei earthworms in a terrestrial environment. Earthworms were exposed to quantum dot-treated soil for up to 4 wk and analyzed for cadmium and selenium concentration using
Haritz Etxeberria et al.
Journal of nanoscience and nanotechnology, 13(1), 643-648 (2013-05-08)
CdSe nanoparticles with polystyrene (PS) brushes are obtained by "grafting through" technique starting from solely aqueously synthesized nanoparticles. Mercaptoethanol (ME) capped nanoparticles are used to achieve double bond functional groups on the surface by condensation reaction with methacryloxypropyltrimethoxysilane (MPS). PS
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
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
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