Cs4Pb4Ge5S16

semiconductor

· Cs4Pb4Ge5S16

Cs₄Pb₄Ge₅S₁₆ is a quaternary chalcogenide semiconductor compound combining cesium, lead, germanium, and sulfur in a layered crystal structure. This is a research-stage material being investigated for infrared optics and nonlinear optical applications, where its wide transparency window and potential nonlinear optical coefficients could offer advantages over conventional chalcogenide glasses in mid-infrared devices.

mid-infrared opticsnonlinear optical devicesthermal imaging windowslaser applicationsresearch semiconductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.950	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.

Cs4Pb4Ge5S16

Electrical Properties

Regulatory Screening

Environmental

Export Control