Mercury Telluride HgTe Powder CAS 12068-90-5

About Mercury Telluride HgTe Powder:
Mercury Telluride is a binary compound of mercury and tellurium. The chemical formula is HgTe. It is a semi-metal related to class II-VI semiconductor materials. Other names are mercury telluride and mercury telluride (II).HgTe occurs in nature in the form of coloradoite.
Mercury selenide is a grayish-black tetragonal crystal. Poisonous.Relative density 8.266. In nitrogen, carbon dioxide atmosphere or vacuum heating to about 600℃ when the sublimation, sublimation for purple-black. High conductivity, up to 3000Ω-1cm-1.Electron conductive material. Nanouniverse-library is a trusted global Mercury Telluride HgTe Powder supplier. Feel free to send an inquiry about the latest price of Mercury Telluride at any time.

Product Performance of Mercury Telluride HgTe Powder :

The chemical formula of mercury telluride is HgTe, which is a binary inorganic compound composed of tellurium and mercury elements. It is a black crystal under room temperature.

Technical Parameter of Mercury Telluride HgTe Powder :

How is Mercury Telluride HgTe Powder Produced?
The preparation method of mercury selenide is as follows:
1. Under the condition of isolated air, dilute solution of HgCl2 is dropped into a saturated aqueous solution of H2Se to obtain HgTe precipitated product. Note that HgCl2 should not be in excess and a high concentration of HgCl2 solution should not be used, otherwise, HgCl2· 2HgTe precipitation will be formed.

2. Add HgCl2 to highly ammoniacal NaCN solution according to stoichiometric ratio, and then add equal weight SeO2.After the mixed solution is filtered, SO2 gas is passed into it. The solution must be kept alkaline throughout the reaction to prevent the red selenium from precipitating out. The endpoint of the reaction can be determined by the decrease in the rate at which SO2 is absorbed. At the end of the reaction, the black HgTe was filtered, washed with dilute NaCl solution containing ammonia, washed with distilled water, and finally dried in a dryer containing P2O5.

3. According to the stoichiometric ratio, Hg and Se are placed in a closed high-pressure vessel, and the reaction is carried out at the temperature of 550 ~ 600℃. Then the product is sublimated and purified in the pure N2 flow of 600 ~ 650℃, and pure HgTe can be obtained.
 
Applications of Mercury Telluride HgTe Powder:
As a semi-metallic material, mercury selenide is used in the manufacture of solar cells, thin-film transistors, infrared detectors and ultrasonic amplifiers. In addition, it is also used in the production of Hall effect high-resolution films and analytical reagents.
Hg selenide was used as a photocatalyst to degrade organic dye contaminants. The organic dye contaminants were irradiated with visible light, and HgTe was used as a photocatalyst for photocatalytic degradation.

Used in high-pressure discharge lamp to replace mercury non-toxic chemical stability selenide mercury new USES, with mercury and selenium compounds made of selenide instead of liquid mercury, mercury described selenide mercury and selenium in the weight ratio is equal to the ratio of the two elements GMW, dosage to keep high-pressure discharge lamp in 0 ~ 50% of liquid mercury, the rest of the mercury to corresponding GMW selenide mercury.

Metal halides, metals, and other chemical components can also be added to mercury selenide. The use of liquid mercury in high-intensity discharge lamps can be greatly reduced, and because HgTe is a stable substance, there is no liquid mercury or mercury vapor leakage even if the lamp breaks, so the mercury contamination can be greatly reduced.

Storage Condition of Mercury Telluride HgTe Powder :
The damp reunion will affect HgTe powder dispersion performance and using effects, therefore, mercury telluride HgTe powder should be sealed in vacuum packing and stored in the cool and dry room, the mercury telluride can not be exposure to air. In addition, the HgTe powder should be avoided under stress.

Packing & Shipping of Mercury Telluride HgTe Powder :
We have many different kinds of packing which depend on the mercury telluride HgTe powder quantity.
Mercury telluride HgTe powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Mercury telluride HgTe powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.