K4 Cu2 Cl4 F4

semiconductor

· K4 Cu2 Cl4 F4

K4Cu2Cl4F4 is a mixed-halide copper(II) coordination compound combining chloride and fluoride ligands in a potassium-stabilized structure. This is primarily a research-phase material explored for semiconductor and optoelectronic applications, particularly in the halide perovskite and coordination chemistry space where mixed anion systems are investigated for tunable electronic properties and enhanced stability compared to single-halide analogues.

experimental semiconductor researchhalide perovskite precursorsoptoelectronic device developmentphotovoltaic absorber layerscoordination chemistry synthesismaterials screening for quantum dots

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.910	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.976	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 Cu2 Cl4 F4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control