K5In3P6Se19

semiconductor

· K5In3P6Se19

K5In3P6Se19 is a mixed-metal chalcogenide semiconductor compound containing potassium, indium, phosphorus, and selenium. This is a research-phase material belonging to the family of complex ternary and quaternary semiconductors, with potential applications in thermoelectric energy conversion and infrared optics where its multi-element composition may offer tunable bandgap and phonon-scattering properties. While not yet established in high-volume manufacturing, compounds in this material class are of interest to researchers exploring alternatives to traditional semiconductors for mid-infrared detection, solid-state cooling, and waste-heat recovery systems.

infrared photodetectorsthermoelectric devicesresearch semiconductorsphonon engineeringsolid-state coolingoptoelectronic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.200	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.

K5In3P6Se19

Electrical Properties

Regulatory Screening

Environmental

Export Control