K4GeSe4

semiconductor

· K4GeSe4

K4GeSe4 is a quaternary chalcogenide semiconductor compound composed of potassium, germanium, and selenium elements, belonging to the family of metal chalcogenide materials. This is primarily a research-phase compound investigated for its potential in nonlinear optical applications, photovoltaic devices, and solid-state ionics, where the combination of heavy p-block elements and alkali metal doping is expected to produce interesting electronic and optical properties. K4GeSe4 and related potassium germanium selenides represent an emerging materials space distinct from more established semiconductors, with potential advantages in specific wavelength transparency windows and ion-transport phenomena, though practical device-scale deployment remains limited.

nonlinear optical materialsexperimental photovoltaicssolid-state ion conductorsinfrared optics researchwide-bandgap semiconductor developmentmaterials discovery and characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6400	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.

K4GeSe4

Electrical Properties

Regulatory Screening

Environmental

Export Control