401080

Bismut(III)-selenid

• Synonym(e): Bismuth selenide
• Empirische Formel (Hill-System): Bi₂Se₃
• CAS-Nummer: 12068-69-8
• Molekulargewicht: 654.84
• EG-Nummer: 235-104-7
• MDL-Nummer: MFCD00014200
• UNSPSC-Code: 12352300
• PubChem Substanz-ID: 24864986
• NACRES: NA.23

Eigenschaften

• Form: solid
• Grünere Alternativprodukt-Eigenschaften: Design for Energy Efficiency; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• Dichte: 6.82 g/mL at 25 °C (lit.)
• Grünere Alternativprodukt-Kategorie: , Enabling
• SMILES String: [Se]=[Bi][Se][Bi]=[Se]
• InChI: 1S/2Bi.3Se
• InChIKey: OMEPJWROJCQMMU-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Bismuth(III) selenide (Bi₂Se₃) is a semiconducting thermoelectric material with a narrow band gap. It forms thin films by different techniques, which include solution growth, electrodeposition and molecular jet method. It acts as a topological insulator based saturable absorber.

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Anwendung

Bi₂Se₃ is a metal selenide, which can be used for a variety of applications such as solar cells, light emitting diodes (LEDs), and superionic conductor. Its optical properties include a high absorption coefficient larger than 10⁴ cm^-1 and a band gap of 0.35 eV.

Sicherheitshinweise

• Piktogramme: GHS06,GHS08,GHS09
• Signalwort: Danger
• H-Sätze: H301 + H331,H373,H410
• P-Sätze: P260 - P264 - P273 - P301 + P310 - P304 + P340 + P311 - P314
• Gefahreneinstufungen: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
• Lagerklassenschlüssel: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges