808822

Tungsten diselenide

Crystal, 99.995%

• Synonyme(s) : Tungsten (IV) selenide, Tungsten selenide
• Formule linéaire : WSe₂
• CAS Number: 12067-46-8
• Poids moléculaire : 341.76
• Numéro MDL: MFCD00049703
• Code UNSPSC : 26111700
• ID de substance PubChem : 329769125
• Nomenclature NACRES : NA.23

Propriétés

• Niveau de qualité: 100
• Description: Electrical properties: Semiconductor, p-type
• Essai: 99.995%
• Forme: crystals
• L × l × H: 0.5 cm × 0.5 cm × 0.1-0.15 mm, typical size, some variation in dimensions may occur with different batches
• Taille des cristallites primaires: ~10 mm (hexagonal)
• Chaîne SMILES: [Se]=[W]=[Se]
• InChI: 1S/2Se.W
• Clé InChI: ROUIDRHELGULJS-UHFFFAOYSA-N

Description

Application

The two dimensional layered inorganic nanomaterials have drawn significant attention recently owing to their thickness dependent physical and chemical properties. They find applications in photocatalysis, phtotovoltaics, gas sensing, lithium ion batteries, field effect transistors, spintronics etc. Transition metal dischalcogenides represent an important class of inorganic 2D materials having the aforementioned applications.

Notes préparatoires

Store under nitrogen atmosphere.

Informations sur la sécurité

• Pictogrammes: GHS06,GHS08,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H301 + H331,H373,H410
• Conseils de prudence: P273 - P301 + P310 + P330 - P304 + P340 + P311 - P314
• Classification des risques: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
• Code de la classe de stockage: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable