Cu2MgSiS4

semiconductor

· Cu2MgSiS4

Cu2MgSiS4 is a quaternary chalcogenide semiconductor compound combining copper, magnesium, silicon, and sulfur—a material class being explored for photovoltaic and optoelectronic applications. This is a research-stage compound rather than an established industrial material; it belongs to the broader family of earth-abundant semiconductors being investigated as potential alternatives to conventional II–VI or I–III–VI2 systems, offering potential advantages in cost and sustainability if commercialized.

thin-film photovoltaicssolar cellsoptoelectronic deviceslight-absorbing layersearth-abundant semiconductor researchmaterials screening for energy applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.200	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.

Cu2MgSiS4

Electrical Properties

Regulatory Screening

Environmental

Export Control