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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

Formula empirica (notazione di Hill):
CdSe
Numero CAS:
1306-24-7
Peso molecolare:
191.37
Numero CE:
215-148-3
Numero MDL:
MFCD00010917
Codice UNSPSC:
12352300
ID PubChem:
24854687
NACRES:
NA.23

Grado

electronic grade

Saggio

99.99% trace metals basis

Forma fisica

powder

Densità

5.81 g/mL at 25 °C (lit.)

Stringa SMILE

[Se]=[Cd]

InChI

1S/Cd.Se
AQCDIIAORKRFCD-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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

Applicazioni

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

Confezionamento

Packaged in glass bottles

Avvertenze

Danger

Indicazioni di pericolo

H301 + H331,H312,H373,H410

Classi di pericolo

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

Organi bersaglio

Kidney,Bone

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

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

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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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
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
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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