Cu5Sn2Se7

metal

· JVASP-119567· Cu5Sn2Se7

Cu5Sn2Se7 is a quaternary copper-tin-selenium compound that belongs to the family of chalcogenide semiconductors and intermetallic materials. This is a research-phase material primarily studied for its potential in thermoelectric, optoelectronic, and photovoltaic applications due to the semiconductor properties arising from its mixed-metal composition and chalcogenide framework. The material represents an emerging alternative for energy conversion and light-harvesting devices where the combination of copper, tin, and selenium offers tunable electronic properties and thermal management capabilities distinct from conventional binary or ternary semiconductors.

thermoelectric energy conversionphotovoltaic devicessemiconductor researchoptoelectronic materialsthermal management applicationsnext-generation solar technology

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.618	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.2946	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.

Cu5Sn2Se7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control