TlInGeS4

semiconductor

· TlInGeS4

TlInGeS4 is a quaternary semiconductor compound composed of thallium, indium, germanium, and sulfur, belonging to the family of chalcogenide semiconductors. 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 sulfide anions offers tunable bandgap and optical transparency in the mid- to far-infrared spectral regions. Engineers and researchers investigating advanced photonic devices, IR detectors, or frequency conversion systems would evaluate this compound as an alternative to more conventional semiconductors, particularly where IR transmission and nonlinear response are critical performance drivers.

infrared optics and sensingnonlinear optical devicesresearch-phase photonicschalcogenide semiconductorsfrequency conversionmid-IR transparent windows

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.

TlInGeS4

Electrical Properties

Regulatory Screening

Environmental

Export Control