K2Cu2Sn2S6

semiconductor

· K2Cu2Sn2S6

K2Cu2Sn2S6 is a quaternary sulfide semiconductor compound containing potassium, copper, tin, and sulfur. This material belongs to the family of multinary chalcogenides and is primarily investigated in research contexts for photovoltaic and optoelectronic applications, where its band gap and crystal structure make it a candidate for thin-film solar cells and light-emitting devices as an alternative to more toxic or scarce semiconductor materials.

thin-film photovoltaicssolar cell absorber layersoptoelectronic devicesresearch semiconductorsearth-abundant alternativeslight-emitting applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.470	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.

K2Cu2Sn2S6

Electrical Properties

Regulatory Screening

Environmental

Export Control