K4 Au4 Br16

semiconductor

· K4 Au4 Br16

K4Au4Br16 is an experimental semiconducting compound in the gold halide family, composed of potassium, gold, and bromine. This material is primarily of research interest for its potential in optoelectronic and photonic applications, where mixed-valent metal halides are being explored for light emission, detection, and energy conversion. The compound represents an emerging class of materials being investigated for next-generation perovskite-like semiconductors, though it remains largely in development rather than established industrial production.

research semiconductorsoptoelectronic devices (experimental)photonic materialshalide perovskites (non-standard)materials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	15.64	GPa	—
Shear Modulus(G)	5.807	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1770	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7630	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 Br16

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control