In11Cu9Se20

metal
· In11Cu9Se20

In₁₁Cu₉Se₂₀ is a quaternary semiconductor compound belonging to the indium-copper-selenium family, likely synthesized for research into narrow-bandgap or mid-infrared optoelectronic materials. This is an experimental composition rather than a commercial alloy; compounds in this family are investigated for potential applications in photovoltaics, infrared detectors, and thermoelectric devices where the mixed-metal chalcogenide structure offers tunable electronic properties. Engineers would consider such materials primarily in early-stage device development where novel bandgap engineering or selective wavelength response is required, though material stability, scalability, and device integration remain active research challenges.

infrared photodetectorsthin-film photovoltaicsthermoelectric devicessemiconductor researchoptoelectronic prototypingchalcogenide-based electronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.