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Zinkselenid ZnSe | Selenide

Zinkselenid ZnSe, 99.99% 4N and 99.999% 5N purity, molecular weight 144.35, density 5.264g/cm3, CAS No. 1315-09-9, melting point 1525°C, insoluble in water and decomposes in dilute nitric acid, is a light yellow polycrystalline in both hexagonal (Wurzite) and cubic (Zincblende) crystal structure. It is a II-VI group wide-bandgap semiconductor with a band-gap of about 2.70 eV at 25°C. Zinc Selenide is the most popular material for infrared applications and as a high optical quality material. Zinc Selenide ZnSe, grown by chemical vapor deposition CVD techniques including MOVPE and vacuum evaporation, with wide band gap, low resistivity, high photosensitivity, low absorption of energy, good imaging characteristic, homogeneity and uniformity, is used for optical components, high power laser window, high resolution forward looking infrared (FLIR) thermal imaging systems, CO2 laser optics and power laser system, II-VI light-emitting diodes and diode lasers, industrial thermal radiometers, infrared spectroscopy. Zinc Selenide ZnSe at Western Minmetls (SC) Corporation with 99.99% 4N and 99.999% 5N purity is in size of micropowder, nanopartical, lump, granule, lump, chunk, blank, bar, bulk crystal and single crystal etc or as customized specification.

Selenide compounds mainly refer to the metal elements and metalloid compounds, these elements have stoichiometric composition, but its composition can be changed within a certain range to form a compound-based solid solution. Inter-metallic compound is of its excellent properties between the metal and ceramic, and become an important branch of the new structural materials. The compound of Antimony Selenide Sb2Se3, Arsenic Selenide As2Se3, Bismuth Selenide Bi2Se3, Cadmium Selenide CdSe, Copper Selenide CuSe,  Gallium Selenide Ga2Se3, Indiumselenid In2Se3, Lead Selenide PbSe, Molybdänselenid MoSe2, Tin Selenide SnSe, Tungsten Selenide WSe2, Zinc Selenide ZnSe etc and its (Li, Na, K, Be, Mg, Ca) compounds and Rare Earth compounds are available in form of powder, granule, lump, bar and substrate, and find many application as electrolyte material, semiconductor dopant, QLED display, IC field etc and other material fields.

 


Einzelheiten

Stichworte

CM-SnSe2

CM-W2

Nein.

    Artikel

Standardspezifikation

Formel

Reinheit

Verunreinigung PPM Max jeweils

1

    Antimonselenid

Sb2Se3

4N 5N

Auf Anfrage erhältlich.

Spezielle Spezifikation 

kann angepasst werden

2

    Arsen Selenid

Wie2Se3

4N 5N

3

    Wismut Selenid 

Bi2Se3

4N 5N

4

    Cadmiumselenid

CdSe

4N 5N 6N

5

    Kupferselenid

CuSe

4N 5N

6

    Galliumselenid

Ga2Se3

4N 5N

7

    Indiumselenid

Im2Se3

4N 5N

8

    Bleiselenid 

PbSe

4N

9     Molybdänselenid

MoSe2

4N 5N

10

    Zinnselenid

SnSe

4N 5N

11

    Wolframselenid

WSe2

3N 4N

12

    Zinkselenid

ZnSe

4N 5N

 

13

    Größe

-60/-80mesh, 1-20mm Klumpen, 1-6mm Granulat, Zielscheibe oder Rohling

14

    Verpackung

In Polyethylen-Flasche oder Verbundbeutel, je 1 kg.

Technische Spezifikation

Sb2Se3

Antimony Selenide Sb2Se3, a kind of inorganic compound, binary single-phase compound semiconductor, CAS 1315-05-5, MW 480.4, density 5.843g/cm3, melting point of 611oC, very slightly soluble in water, is synthesized by Bridgman method and flux zone technique. With suitable energy band gap, high absorption coefficient, simple phase and low crystallization temperature, Antimony Selenide is a economic, non-toxicity and stable inorganic thin film solar cell material. Antimony Selenide Sb2Se3 crystal exhibits topological insulator state, superconductivity, high thermoelectric efficiency, ideal environmental stability and high crystalline order, which has applications in thermoelectric, photovoltaic and optical storage. Bulk material under high pressure becomes a topological insulator and further undergoes insulator to metal to superconducting transitions. Various methods employed for the preparations of crystalline Sb2Se3 thin film, including spray pyrolysis, solution growth, direct fusion of antimony and selenium, electrochemical deposition and vacuum evaporation, Sb2Se3 can be synthesized in different types of nanostructures which exhibits direct band gaps, whereas the bulk has an indirect energy band gap of 1.21 eV. Antimony Selenide single crystal, a layer-structured direct bandgap semiconductor with orthorhombic crystal structure, has received a great deal of attention due to its switching effects and excellent photovoltaic and thermoelectric properties. Sb2Se3 photodetectors show excellent photoelectric performance, mid-infrared frequency conversion, and nonlinear applications. Antimony Selenide Sb2Se3 at Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.999% 5N can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification.

As2Se3

Arsenic Selenide oder Arsenic Triselenide Wie2Se3, CAS 1303-36-2, molecular weight 386.72, density 4.75g/cm3, melting point 360°C, black or dark brown solid crystalline solid, is an inorganic chemical compound, a selenide of arsenic, is soluble in nitric acid but insoluble in water. Arsenic Selenide compound is prepared by using metaarsenite and amorphous selenium in organic medium, through heating the stoichiometric ratio As and Se in vacuum quartz ampoule to get As2Se3. The synthetic crystal of Arsenic triselenide is grown by vapour phase technique. Single crystals of As2Se3 can be prepared hydrothermally. Amorphous Arsenic Selenide is used as a vacuum deposition, chalcogenide glass for infrared optics. Due to its high refractive index, mid-IR transparency and high non-linear optical indices, thin film Arsenic Selenide is an important material for integrated photonics, semiconductor and in photo optic applications. Besides, its bandgap of 1.8 eV and wide transmission window makes it useful for applications in the shortwave infrared into the long-wave infrared. Meanwhile, Arsenic Selenide is an important raw material and intermediate used in organic synthesis, pharmaceuticals industry. Arsenic Selenide As2Se3 at Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.999% 5N can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification.

Bi2Se3

Bismuth Selenide Bi2Se3, black crystal appearance, CAS 12068-69-8, MW 654.84, melting point 710°C, boiling point 1007°C, density 6.82g/cm3, rhomb and hexagonal Structure, is insoluble in water and organic solvents. but soluble in strong acids, decomposes when heated in air, and decomposes in nitric acid and aqua regia. Bismuth selenide Bi2Se3 belongs to group 15 (VA) post-transition metal trichalcogenides, which is predicted to be 3D strong topological insulator with topologically non-trivial energy gap of 0.3 eV. Bismuth Selenide crystal is an indirect band gap semiconductor synthesized by hydrothermal method, Bridgeman R, direct method and zone floating method etc, the synthesized material is utilized to deposit bismuth selenide thin film at various substrate temperatures. Polycrystalline stoichiometric Bi2Se3 thin film is of N-type and carrier concentration of 1.02×1019 cm-3 at room temperature. Bismuth selenide powder is suitable for liquid chemical exfoliation to prepare Bi2Se3 nanosheets and nanoparticles. Bulk single Bismuth Selenide crystal is most commonly used as source from which single or few-layer sheets can be obtained by mechanical or liquid exfoliation. With remarkable thermoelectric and photoelectric properties, Bismuth selenide finds application in advanced photodetectors, magnetic devices, FETs, lasers, sputtering target, gas sensors, thermoelectric material, thin film solar cells, and quantum computing devices, Bismuth Selenide Bi2Se3 is also attractive to biomedicine due to the good bioactivity and biocompatibility. Bismuth Selenide Bi2Seat Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.995% 4N5, 99.999% 5N can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification.

CdSe

Cadmiumselenid CdSe,  red to black crystal, most common Wurtzite hexagonal structure, CAS 1306-24-7, molecular weight 191.377, density 5.8g/cm3, melting point 1350°C, insoluble in Water, is a solid, binary primarily ionic compound of cadmium and selenium. Polycrystalline compounds is synthesized by the High-Pressure Vertical Bridgman method or High-Pressure Vertical Zone Melting, or distillation and CVD synthesis, which is used for growing CdSe single crystal, CdSe evaporation material, namely for making photocell, rectifier, luminous paint, etc. Cadmium Selenide with wurtzite crystal structure is an important II-VI n-type semiconductor, and has a band gap of 1.74 eV. CdSe nanoparticle by several production methods of arrested precipitation in solution, synthesis in structured media, high temperature pyrolysis, sonochemical, and radiolytic methods is of 1–100 nm in size, exhibits a property known as quantum confinement, they are finding applications in opto-electronic devices such as laser diodes that cover a large part of the electromagnetic spectrum,  especially useful as a component of photocatalysts, use in biomedical imaging applications, and is used in windows for instruments using infra-red (IR) light, nanosensing and high-efficiency solar cells. Cadmium Selenide CdSe at Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.999% 5N and  99.9999% 6N can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification. 

Cu2Se

Kupferselenid oder Dikupferselenid, Kupferselenid, CAS No 20405-64-5, black cubic crystal, density 6.749, melting point 1113°C, insoluble in water but easily soluble in nitric acid, soluble in sulfuric acid and ammonia. Copper Selenide is prepared in a vacuum quartz seal tube placed in horizontal synthesis furnace. Ligand-stabilized copper selenide (Cu(2-x)Se) nanocrystal is synthesized by a colloidal hot injection process, which readily disperse in water and exhibit strong near-infrared (NIR) optical absorption with a high molar extinction coefficient, it finds application in photothermal therapy, ad for the preparation of group compound semiconductor, cuprous selenide target material, copper-indium-gallium-Selenium CIGS thin film solar cell etc. Copper Selenide CuSe at Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.999% 5N can be delivered in form of powder, granule, lump, chunk, pill, needle, blank, bulk crystal and single crystal etc or as customized specification. 

WSe2

Wolframselenid oder Wolframdiselenid, WSe2 CAS 12067-46-8, density 9.32g/cm3, molecular weight 341.76, is insoluble in water. Tungten Diselenide belongs to group V transition metal dihaloalkanes TMDC. WSe2ist ein P-Typ- oder N-Typ-Halbleiter mit einer indirekten Bandlücke von ~ 1,3 ev, und eine einzelne Schicht aus WSe2 hat eine direkte Bandlücke. Diese Schichten werden durch Vander-Waals-Wechselwirkung zusammengestapelt und können in dünne 2D-Schichten gestrippt werden. Als lamellar strukturierter Trocken- und Festschmierstoff, WSe2 has the lowest thermal conductivity with exceptional stability at high temperatures and in high vacuum. Tungsten Selenide thin films for terrestrial photovoltaic is synthesized by Chemical-Vapor-Deposition CVD, which can be for flexible thin film solar cell, or as a sputtering target. Tungsten Selenide WSeat Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.999% 5N and  99.9999% 6N can be delivered in form of powder, granule, lump, chunk, blank, target, bulk crystal etc or as customized specification. 

Ga2Se3 (2)

Galliumselenid oder GalliumtriselenidGa2Se3, CAS 12024-11-2, Molekulargewicht 148,68, Schmelzpunkt 960°C Dichte 5,030g/cm3, a dark brown, shiny flake crystal with hexagonal structure, is a compound of Gallium and Selenium by chemical vapor deposition CVD method. GaSe is a layered semiconductor belongs to the family of metal chalcogens that crystallize in a layered structure. With the decrease of temperature, the maximum value of photoelectric effect of GaSe moves to the direction of short wave. Gallium Selenide GaSe crystal can be synthesized through different growth techniques of Bridgman growth, chemical vapor transport CVT and flux zone growth to optimize grain sizes and reduce defect concentrations. Gallium selenide GaSe crystal is proposed as the active compound for use in photovoltaic devices suited towards electronic and optical applications in 2D materials field, as intercalation electrodes in electrochemical lithium cells, and as a nonlinear optical medium. Gallium Selenide Ga2Se3 at Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.999% 5N can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification. 

InSe

Indiumselenid, oder DiinsiumtriselenidIm2Se3, black to dull grease luster powder or lump, CAS No 2056-07-4, melting point 660°C, density 5.55g/cm3, is a compound of indium and selenium, which is stable under room temperature and pressure, and kept to avoid light, open fire and high temperature. It is soluble in strong acid and easy to decompose. The semiconductive compound In2Se3hat eine defekte ZnS-Gitterstruktur, in der die nichtmetallischen Atome in Tetraeder durch drei Metallatome und eine Leerstelle angeordnet sind. Um strukturelle, optische und elektronische Konsistenz zu gewährleisten, wird Indiumselenid oder Diindiumtriselenid InSe nach der Brigmann-Methode entwickelt, die vorzugsweise eine hohe Kristallisation sowie eine große Größe bietet. Außerdem sind die CVT-Wachstumstechniken Flux Zone Growth und Chemical Vapor Transport CVT ebenfalls optional. Im2Se3 Kristall ist ein Halbleiter mit direkter Lücke mit einer Emission von 1,56 eV (300 K), α- In2Se3 und β-In2Se3 crystals are the two most common forms with defect wurtzite structures. It is mainly used as semiconductor, optical materials, photovoltaic devices, electrical sensors, or to be used for preparing copper indium gallium selenium CIGS thin film material. Indium Selenide InSe at Western Minmetals (SC) Corporation with 99.99% 4N, 99.999% 5N purity can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal etc or as customized specification.

PbSe

Lead Selenide PbSe, gray or grayish black crystalline solid, a selenide of lead, cubic crystal of the NaCl structure, CAS 12069-00-0, MW 286.16,density 8.10g/cm3, melting 1078°C, is  insoluble in water but soluble in nitric acid and hot concentrated hydrochloric acid. Lead Selenide is prepared by mixing high-purity lead and selenium in stoichiometric proportion and heating them in quartz ampoules to 1100-1150° in furnace or reduction of lead selenite with hydrogen. Lead selenide is a semiconductor material of direct bandgap of 0.27 eV at room temperature, which performs efficiently at low temperatures without the need for cooling. As a sensitive material to the infrared radiation, PbSe has unique and outstanding characteristics making this material an excellent detector of low cost high speed infrared imagers for thermal imaging operating at wavelengths between 1.5–5.2μm, and to make photosensitive resistance. Lead selenide nanocrystal can be used as quantum dots, for example in nanocrystal solar cells. Meanwhile, Lead Selenide is a high performance thermoelectric material which has a number of industrial applications. Lead Selenide PbSe at Western Minmetals (SC) Corporation with purity of 99.99% 4N can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification.

MoSe

Molybdänselenid MoSe2, gray solid crystalline appearance, layered structure, is an inorganic compound semiconductor of molybdenum and selenium, which is known as group VI transition metal dichalcofemides, CAS 12058-18-3, density 6.0g/cm3, MW 253.86, melting point 1200°C, insoluble in water. Bulk MoSe synthesis and purification involves direct reaction of molybdenum and selenium by chemical vapor transport CVT, singlr crytstal MoSe is produced by scotch tape exfoliation from bulk crystal or by chemical vapor deposition CVD. Molybdenum Selenide MoSe2, narrow band gap of 1.2ev, can not only absorb ultraviolet light but also visible light, it exhibits a wide range of light response and high utilization efficiency of solar light, so it is used as photodetectors and transistors. Molybdenum Selenide's layered nature and higher electrical conductivity gives rise to several interesting applications such as field effect transistors, piezoelectrics, and substrates for self assembly, and also for material modification, lubricant additives, solar cells, energy storage, microelectronics, optoelectronics and high performance photocatalysts. Molybdenum Selenide MoSe2 at Western Minmetals (SC) Corporation with purity of 99.99% 4N can be delivered in form of submicro and nanomicron powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification.

CM-SnSe1

Tin Selenide SnSe, gray solid crystal with rhombic crystal structure, molecular weight 199.68, density 6.18g/cm3, melting point 861°C, can be dissolved in alkali metal sulfide and selenide, and easily soluble in nitric acid and aqua regia but insoluble in water. SnSe compound is typical layered material synthesized by the various methods employed for the phase-pure SnSe like hot injection, facile surfactant-free synthesis, thermal evaporation, insert gas condensation etc. Tin Selenide is an important IV-VI semiconductor, the indirect band gap of bulk materials is 0.90 EV and the direct band gap is 1.30 eV, which can absorb most of the solar spectrum, and been extensively explored in the thermoelectric fields and photovoltaic PV application for its extraordinary advantages including excellent optoelectronic properties, absence of toxicity, economically raw material, relative abundance, environmental friendliness and chemical stability. As tin-based binary chalcogenide compound, the electronic, thermoelectric, and optoelectronic characteristics of bulk crystals, thin films, and nanostructures of Tin Selenide SnSe finds novel applications in the next generation electronic, optical, optoelectronic, flexible systems, Li-ion rechargeable batteries, super capacitors, phase-change memory devices and topological insulators. Tin Selenide SnSe at Western Minmetals (SC) Corporation with purity of 99.99% 4N, 99.999% 5N can be delivered in form of powder, granule, lump, chunk, blank, bulk crystal and single crystal etc or as customized specification.

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