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752622

Iron disilicide

Name: Iron disilicide
Brand: ALDRICH

powder, -20 mesh, 99.9% trace metals basis

Synonym(s):

Iron silicide

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About This Item

Empirical Formula (Hill Notation):

FeSi₂

CAS Number:

12022-99-0

Molecular Weight:

112.02

MDL number:

MFCD00016087

UNSPSC Code:

12352103

NACRES:

NA.23

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Properties

assay

99.9% trace metals basis

form

powder

reaction suitability

core: iron, core: silicon

greener alternative product characteristics

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

sustainability

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particle size

-20 mesh

mp

1220 °C (lit.)

greener alternative category

, Enabling

SMILES string

[Fe](=[SiH2])=[SiH2]

InChI

1S/Fe.2H2Si/h;2*1H2

InChI key

UVUDQHYBXBVHAI-UHFFFAOYSA-N

Description

General description

Iron disilicide (FeSi₂) is a direct bandgap (0.85-0.87 eV) semiconductor material that has a high optical absorption coefficient, high Seebeck coefficient, high working temperature and high resistance to oxidation.

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

FeSi₂ can be used in a variety of optoelectronic applications such as lithium-ion batteries, light-emitting diodes (LEDs) and solar cells.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number

MKBN6937V

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Articles

Silicides: Promising Thermoelectrics

Higher transition metal silicides are ideal for anisotropic thermoelectric conversion due to their Seebeck coefficient anisotropy and mechanical properties.

Nishida, I.

Physical Review. B, Condensed Matter and Materials Physics, 7, 2710-2710 (1973)

Thermoelectric properties of hot-pressed Al-and Co-doped iron disilicide materials

He Z, et al.

Journal of alloys and compounds, 438(1-2), 303-309 (2007)

Enhanced Room-Temperature 1.6 mu Electroluminescence from Si-Based Double-Heterostructure Light-Emitting Diodes Using Iron Disilicide

Suzuno M, et al.

Japanese Journal of Applied Physics, 49(4S), 04DG16-04DG16 (2010)

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Global Trade Item Number

SKU	GTIN
752622-50G	04061833600627