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Sigma-Aldrich

Ammoniumfluorid

≥99.99% trace metals basis

Synonym(e):

Ammonia Hydrofluoride, Azanium fluoride

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About This Item

Lineare Formel:
NH4F
CAS-Nummer:
12125-01-8
Molekulargewicht:
37.04
EG-Nummer:
235-185-9
MDL-Nummer:
MFCD00011423
UNSPSC-Code:
12352302
eCl@ss:
38050106
PubChem Substanz-ID:
24860581
NACRES:
NA.23

Assay

≥99.99% trace metals basis

Form

crystals and lumps

Verunreinigungen

≤100 ppm METAL TRACE ANALYSIS (ICP)

SMILES String

N.F

InChI

1S/FH.H3N/h1H;1H3

InChIKey

LDDQLRUQCUTJBB-UHFFFAOYSA-N

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Allgemeine Beschreibung

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.

Anwendung

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.

Piktogramme

Skull and crossbones
GHS06

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

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

WGK

WGK 1

Flammpunkt (°F)

does not flash

Flammpunkt (°C)

does not flash

Persönliche Schutzausrüstung

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

Analysenzertifikate (COA)

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Journal of Photochemistry and Photobiology A: Chemistry, 332, 66-71 (2017)
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Scientific reports, 8(1), 12752-12752 (2018-08-26)
Storage of solar radiation is currently accomplished by coupling two separate devices, one that captures and converts the energy into an electrical impulse (a photovoltaic cell) and another that stores this electrical output (a battery or a supercapacitor electrochemical cell).
Xun, X. et al.
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