Indium Selenide Thin Film Precursor
Indium selenide powder acts as a precursor for depositing thin films in solar cells and transistors. Classified in HTS 2842.90.90.10 as a selenide of indium, a metal base, aligning with Chapter 28 for chemically defined compounds. Purity exceeds 99% for electronic grades.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If doped for electronic wafers
Processed into disc/wafers for semiconductors shifts to 3818 per Chapter Note 8.
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Import Tips & Compliance
• Include CVD/MBE compatibility specs; comply with REACH if EU-sourced
• Avoid mislabeling as Chapter 38 doped material
Related Products under HTS 2842.90.90.10
Cadmium Selenide Powder
Cadmium selenide is a binary inorganic compound used primarily as a pigment in ceramics and paints due to its bright red-orange color. It falls under HTS 2842.90.90.10 as a chemically defined selenide of a metal, classified among other salts of inorganic acids excluding azides. This semiconductor material is also employed in quantum dots for optical applications.
Zinc Telluride Crystals
Zinc telluride is a semiconductor compound grown into crystals for infrared detector applications and thermoelectric devices. Classified under HTS 2842.90.90.10 as a telluride salt of an inorganic base per Chapter 28 notes. It meets the criteria for chemically defined metal tellurides excluding complex cyanates.
Sodium Selenide Granules
Sodium selenide is a highly reactive inorganic salt used in organic synthesis and as a selenizing agent in chemical manufacturing. It is classified in HTS 2842.90.90.10 as a selenide of an inorganic base (sodium), fitting the heading for salts of inorganic acids other than azides. Stabilization may be required for safe handling.
Lead Selenide Powder
Lead selenide is an infrared-sensitive semiconductor material used in photodetectors and thermal imaging sensors. Under HTS 2842.90.90.10, it qualifies as a chemically defined selenide salt per Chapter 28 definitions. Its narrow bandgap makes it ideal for mid-wave IR detection.
Copper Telluride Flakes
Copper telluride serves as a precursor in thermoelectric materials and catalysts, available in flake form for easy dispersion. It is a metal telluride classified under HTS 2842.90.90.10 as per headings 2826-2842 for metal salts. Excluded from Chapter 28 only if organo-inorganic or luminophores.
Bismuth Telluride Powder
Bismuth telluride is the leading thermoelectric material for Peltier coolers and power generators, imported as fine powder. HTS 2842.90.90.10 covers it as a chemically defined telluride salt of inorganic base bismuth. High purity grades optimize figure of merit ZT.