K2Gd2Sb2Se9

semiconductor

· K2Gd2Sb2Se9

K2Gd2Sb2Se9 is a quaternary chalcogenide semiconductor composed of potassium, gadolinium, antimony, and selenium. This is a research-phase compound within the broader family of complex metal chalcogenides, which are investigated for their tunable electronic and thermal properties. While not yet deployed in mainstream industrial applications, materials in this family are of interest for solid-state thermoelectric devices, infrared optics, and next-generation photovoltaic systems where their layered crystal structures and narrow bandgaps offer potential advantages over conventional semiconductors.

thermoelectric devicesinfrared detectorsphotovoltaic researchsolid-state electronics (experimental)thermal energy conversionoptical materials (research)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.330	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.

K2Gd2Sb2Se9

Electrical Properties

Regulatory Screening

Environmental

Export Control