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449903

Sigma-Aldrich

Lithium fluoride

greener alternative

≥99.99% trace metals basis

Synonyme(s) :

Fluorolithium

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About This Item

Formule linéaire :
LiF
Numéro CAS:
7789-24-4
Poids moléculaire :
25.94
Numéro CE :
232-152-0
Numéro MDL:
MFCD00011090
Code UNSPSC :
12352302
ID de substance PubChem :
24868518
Nomenclature NACRES :
NA.23

Qualité

anhydrous

Niveau de qualité

100

Pureté

≥99.99% trace metals basis

Forme

powder and chunks

Caractéristiques du produit alternatif plus écologique

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

Impuretés

≤100.0 ppm Trace Metal Analysis

Point d'ébullition

1673 °C/1 atm (lit.)

Pf

845 °C (lit.)

Solubilité

aqueous acid: slightly soluble(lit.)

Densité

2.64 g/mL at 25 °C (lit.)

Autre catégorie plus écologique

Enabling,

Chaîne SMILES 

[Li+].[F-]

InChI

1S/FH.Li/h1H;/q;+1/p-1

Clé InChI

PQXKHYXIUOZZFA-UHFFFAOYSA-M

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Catégories apparentées

Description générale

Lithium fluoride is a white crystalline solid with a high melting point. It is widely applied in the field of rechargeable batteries, storage devices, and thermoluminescent materials. LiF is also used as a coupling layer in OLED or PLED devices to enhance electron injection. On the other hand, it is preferred for optical applications due to its wide band gap, which allows it to transmit light efficiently.
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Application

Lithium fluoride can be used:
  • As an additive to fabricate SiO@C/graphite composite anode materials for Li-ion batteries. LiF stabilizes solid electrolyte interphase (SEI) and enhances initial coulombic efficiency.
  • As a critical component in SEI for stabilizing the SEI layer and improving the cycling efficiency of Li metal batteries.
  • To fabricate electron contacts for high-efficiency n-type crystalline silicon solar cells.
  • To prepare solid-state light sources for radiation imaging detectors.
  • To synthesize highly crystalline MXene for asymmetric supercapacitor applications. And also, lightweight, flexible, and hydrophobic MXene foam with reasonable strength, high electrical conductivity, and an outstanding EMI-shielding performance.
  • As an electron-injection layer to fabricate ITO/PEDOT:PSS/perovskite/B3PYMPM/ LiF/Al OLED device with a quantum efficiency of 20%.

Pictogrammes

Skull and crossbones
GHS06

Mention d'avertissement

Danger

Mentions de danger

H301 - H315 - H319 - H335

Classification des risques

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Risques supp

EUH032

Code de la classe de stockage

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Certificats d'analyse (COA)

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Radiat. Prot. Dosim., 66, 423-423 (1996)
Radiat. Prot. Dosim., 66, 101-101 (1996)
Zeinab Safari et al.
Nanomaterials (Basel, Switzerland), 9(11) (2019-11-21)
The performances of organometallic halide perovskite-based solar cells severely depend on the device architecture and the interface between each layer included in the device stack. In particular, the interface between the charge transporting layer and the perovskite film is crucial
Eur. J. Solid State Inorg. Chem., 33, 809-809 (1996)
R Takam et al.
Radiation protection dosimetry, 150(1), 22-33 (2011-08-30)
(6)LiF:Mg,Cu,P and (7)LiF:Mg,Cu,P glass-rod thermoluminescent dosemeters (TLDs) were used for measurements of out-of-field photon and neutron doses produced by Varian iX linear accelerator. Both TLDs were calibrated using 18-MV X-ray beam to investigate their dose-response sensitivity and linearity. CR-39 etch-track
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