K3Bi2I9

semiconductor

· K3Bi2I9

K3Bi2I9 is a halide perovskite semiconductor compound composed of potassium, bismuth, and iodine, belonging to the emerging class of lead-free inorganic perovskites. This material is primarily investigated in research contexts for optoelectronic applications, particularly as a potential alternative to lead-halide perovskites in photovoltaic cells and light-emitting devices, offering improved environmental and toxicity profiles while maintaining semiconductor functionality.

photovoltaic cells (perovskite solar)light-emitting devicesX-ray detectionoptoelectronic researchlead-free semiconductorsnext-generation electronics (experimental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.100	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.

K3Bi2I9

Electrical Properties

Regulatory Screening

Environmental

Export Control