Cu2 Zn1 Se4 Sn1

semiconductor

· Cu2 Zn1 Se4 Sn1

Cu2Zn1Se4Sn1 is a quaternary semiconductor compound belonging to the kesterite family, combining copper, zinc, selenium, and tin in a crystalline structure. This material is primarily investigated in photovoltaic research as a potential earth-abundant alternative to conventional thin-film solar cells, offering lower toxicity and improved resource availability compared to CdTe or CIGS technologies. Engineers consider kesterite semiconductors for next-generation solar applications where cost reduction, scalability, and sustainability are critical drivers, though the material remains largely in development phase with ongoing optimization of defect control and carrier transport properties.

thin-film photovoltaicssolar cellsearth-abundant semiconductorsnext-generation PV researchlow-cost solar technologyoptoelectronic devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	8,550.8	ksi	—
Shear Modulus(G)	3,566.9	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01280	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3870	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.

Cu2 Zn1 Se4 Sn1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control