AS2796 Arsenic Selenide (CAS 1303-36-2)

Catalog No. AS2796
Molecular Formula As2Se3
Appearance Blackish powder/lump
Purity 4N-5N
Synonyms Arsenic triselenide

Arsenic Selenide (CAS 1303-36-2) is an inorganic chemical compound, a selenide of arsenic. Stanford Advanced Materials (SAM) is your one-stop platform to find arsenic products for sale in a variety of forms.

Related products: Tungsten (IV) Selenide Powder, WSe2 Powder, Antimony (III) Selenide (Sb2Se3) Powder, Arsenic(III) Telluride (As2Te3) Powder, Arsenic (III) Sulfide (As2S3) Powder

 

Arsenic Selenide (CAS 1303-36-2) Description

Arsenic Selenide (CAS 1303-36-2) is an inorganic chemical compound, a selenide of arsenic. Amorphous arsenic triselenide is used as a chalcogenide glass for infrared optics. When purified, it transmits light with wavelengths between ca. 0.7 and 19 µm. Arsenic Selenide is covalently bonded. Even so, the arsenic has a formal oxidation state of +3.

Arsenic Selenide (CAS 1303-36-2) Specifications

Product Name

Arsenic Selenide

CAS No.

1303-36-2

Purity

4N-5N

Molecular Weight

386.7 g/mol

Melting Point

300 °C (572 °F)

Density

4.75 g/cm^3


Arsenic Selenide (CAS 1303-36-2)
Applications

Arsenic Selenide (CAS 1303-36-2) is of interest for use in dielectric meta-surfaces. It has a high linear refractive index, n=2.8, enabling high index contrast with its surrounding medium. It has an exceptionally high optical nonlinearity (n2 < 900 × that of silica) making it a good candidate for nonlinear metasurfaces.

Besides, its bandgap of 1.8 eV and wide transmission window, spanning from approximately 1.5-14 μm, makes it useful for applications in the shortwave infrared into the long-wave infrared.[1]

Reference

Jesse A. Frantz, Jason D. Myers, Robel Y. Bekele, Anthony Clabeau, Vinh Nguyen, Collin C. McClain, Natalia Litchinitser, Jasbinder S. Sanghera: Arsenic selenide dielectric metasurfaces. Proceedings Volume 10914, Optical Components and Materials XVI; 109140A (2019)



[1] Jesse A. Frantz, Jason D. Myers, Robel Y. Bekele, Anthony Clabeau, Vinh Nguyen, Collin C. McClain, Natalia Litchinitser, Jasbinder S. Sanghera: Arsenic selenide dielectric metasurfaces. Proceedings Volume 10914, Optical Components and Materials XVI; 109140A (2019)

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