KInSnS4

semiconductor

· KInSnS4

KInSnS₄ is an experimental quaternary sulfide semiconductor composed of potassium, indium, tin, and sulfur. This compound belongs to the family of metal sulfides being investigated for photovoltaic and optoelectronic applications, particularly as an absorber layer or buffer layer alternative in thin-film solar cells. While still primarily a research material rather than an established commercial product, quaternary sulfides like KInSnS₄ are of interest because they offer tunable bandgaps and potentially improved light-harvesting efficiency compared to binary or ternary sulfide counterparts, making them candidates for next-generation sustainable energy conversion devices.

thin-film photovoltaicssolar cell absorber layersoptoelectronic devicesexperimental semiconductorslight-harvesting materialsbandgap engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.300	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.

KInSnS4

Electrical Properties

Regulatory Screening

Environmental

Export Control