K2Ge4Se8

semiconductor

· K2Ge4Se8

K2Ge4Se8 is a quaternary semiconductor compound belonging to the family of metal chalcogenides, specifically a potassium germanium selenide. This is a research-stage material studied for its potential in infrared optics and nonlinear optical applications, where the combination of heavy metal cations and selenide anions can produce wide bandgaps and strong light-matter interactions. The material represents an emerging class of alternative semiconductors for mid- to far-infrared detection and frequency conversion, with advantages over conventional materials in specific transparency windows and nonlinear coefficients.

infrared optics and detectorsnonlinear optical devicessemiconductor researchphotonic crystalsspectroscopy instrumentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.800	eV	—

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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.

K2Ge4Se8

Electrical Properties

Regulatory Screening

Environmental

Export Control