K4 Au4 I12

semiconductor

· K4 Au4 I12

K4Au4I12 is an experimental semiconductor compound combining potassium, gold, and iodine in a layered halide perovskite structure. This material belongs to the family of metal halides being investigated for optoelectronic and photovoltaic applications, offering potential advantages in light emission, detection, and energy conversion due to the unique electronic properties of gold-containing halide frameworks. Research into such compounds is motivated by their tunable bandgaps, strong light-matter interactions, and potential for solution-processed device fabrication, though the material remains primarily in the laboratory stage and is not yet widely deployed in commercial applications.

experimental photovoltaicsoptoelectronic deviceslight-emitting materialsphotodetectorsthin-film semiconductorsresearch-phase perovskite alternatives

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	1,966.1	ksi	—
Shear Modulus(G)	930.1	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.04470	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6750	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.

K4 Au4 I12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control