Sr2 Cu2 S2 F2

semiconductor

· Sr2 Cu2 S2 F2

Sr₂Cu₂S₂F₂ is an experimental mixed-anion semiconductor compound combining strontium, copper, sulfur, and fluorine in a layered crystal structure. This material belongs to an emerging class of fluorosulfide semiconductors under investigation for optoelectronic and thermoelectric applications, with the fluorine-sulfur combination designed to engineer band gaps and carrier transport properties beyond conventional sulfide or fluoride semiconductors. Research interest centers on tuning electronic properties for photovoltaics, photodetectors, and thermal energy conversion where both ionic and covalent bonding characteristics can be leveraged.

photovoltaic absorbers (research phase)photodetectorsthermoelectric devicesthin-film semiconductorsoptoelectronic materials developmentband-gap engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	10,542.6	ksi	—
Shear Modulus(G)	5,278.4	ksi	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.774	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.239	eV/atom	—

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.

Sr2 Cu2 S2 F2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control