KAlGeS4

semiconductor

· KAlGeS4

KAlGeS₄ is a quaternary semiconductor compound combining potassium, aluminum, germanium, and sulfur into a sulfide-based crystal structure. This is a research-phase material rather than an established commercial compound, belonging to the broader family of chalcogenide semiconductors that show promise for optoelectronic and photovoltaic applications where traditional semiconductors face limitations in specific wavelength regions or operating conditions.

nonlinear optical devicesinfrared photonicswide-bandgap semiconductors (research)photodetectors (emerging applications)solid-state laser systemsnext-generation semiconductor development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.500	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.

KAlGeS4

Electrical Properties

Regulatory Screening

Environmental

Export Control