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338869

Sigma-Aldrich

Ammonium fluoride

≥99.99% trace metals basis

Sinonimo/i:

Ammonia Hydrofluoride, Azanium fluoride

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About This Item

Formula condensata:
NH4F
Numero CAS:
Peso molecolare:
37.04
Numero CE:
Numero MDL:
Codice UNSPSC:
12352302
eCl@ss:
38050106
ID PubChem:
NACRES:
NA.23

Livello qualitativo

Saggio

≥99.99% trace metals basis

Forma fisica

crystals and lumps

Impurezze

≤100 ppm METAL TRACE ANALYSIS (ICP)

Stringa SMILE

N.F

InChI

1S/FH.H3N/h1H;1H3
LDDQLRUQCUTJBB-UHFFFAOYSA-N

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Descrizione generale

Ammonium fluoride is a white crystalline solid soluble in water. It adopts the wurtzite crystal structure and forms mixed crystals similar to ice. It is also known for its use as an energetic fluorinating agent and finds application in the field of solar cells and batteries.

Applicazioni

Ammonium fluoride can be used:
  • To modify the interface between the electron transport layer and the perovskite layer of solar cells. This helps to reduce interfacial defects and charge recombination enhancing power conversion efficiency of perovskite solar cells (PSCs).
  • As a structure directing agent to prepare electroactive materials for supercapacitors.
  • To synthesize NiF2/porous carbon (NPC) nanocomposite by a bottom-up method for cathodes of Li-ion battery. Heat treatment with NH4F produces a high yield of metal fluoride/porous carbon nanocomposites.

Pittogrammi

Skull and crossbones

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

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 1

Punto d’infiammabilità (°F)

does not flash

Punto d’infiammabilità (°C)

does not flash

Dispositivi di protezione individuale

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


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(111) silicon surfaces can be controlled down to atomic level and offer a remarkable starting point for elaborating nanostructures. Hydrogenated surfaces are obtained by oxide dissolution in hydrofluoric acid or ammonium fluoride solution. Organic species are grafted onto the hydrogenated

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