PbSe0.5S0.5

semiconductor

· PbSe0.5S0.5

PbSe₀.₅S₀.₅ is a lead chalcogenide semiconductor alloy formed by partial substitution of selenium with sulfur in the lead selenide lattice, creating an intermediate bandgap material within the IV-VI semiconductor family. This compound is primarily of research and developmental interest for infrared detection and thermal imaging applications, where it bridges the performance characteristics of pure PbSe and PbS to address specific wavelength windows. The alloyed composition offers tunable optoelectronic properties compared to either end-member, making it valuable for engineering custom sensor responses in the mid- to long-wave infrared range, though commercial deployment remains limited relative to more mature alternatives like InSb or MCT detectors.

infrared detectorsthermal imaging sensorsmid-wave infrared opticsnarrow-bandgap semiconductorsexperimental photonic devicestunable semiconductor engineering

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.3300	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.

PbSe0.5S0.5

Electrical Properties

Regulatory Screening

Environmental

Export Control