KCu2SbS3

semiconductor

· KCu2SbS3

KCu2SbS3 is a quaternary sulfide semiconductor compound containing potassium, copper, antimony, and sulfur. This is primarily a research-phase material studied for potential photovoltaic and optoelectronic applications due to its semiconducting bandgap and layered crystal structure. While not yet widely deployed in commercial production, materials in this sulfide family are of interest as alternatives to lead-based perovskites and other conventional semiconductors, particularly for thin-film solar cells and light-absorbing layers where earth-abundant elements and tunable electronic properties are advantageous.

photovoltaic absorber layersthin-film solar cellsoptoelectronic devicesearth-abundant semiconductor alternativesresearch and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.700	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.

KCu2SbS3

Electrical Properties

Regulatory Screening

Environmental

Export Control