K8 Cu4 Br12

semiconductor

· K8 Cu4 Br12

K8Cu4Br12 is a halide perovskite semiconductor compound containing potassium, copper, and bromine in a structured crystalline framework. This material belongs to the emerging class of hybrid and all-inorganic halide perovskites, primarily investigated in research for optoelectronic and photovoltaic applications due to its tunable bandgap and potential for solution-based processing. While not yet widely deployed in commercial products, copper-based halide perovskites are explored as alternatives to lead-containing variants, offering improved environmental sustainability and potential advantages in light emission, photon detection, and thin-film device fabrication.

perovskite solar cells (research)optoelectronic deviceslead-free semiconductorsphoton detectorsthin-film electronicsmaterials research & development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.175	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.349	eV/atom	—

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.

K8 Cu4 Br12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control