Cu4 Hg2 I8

semiconductor

· Cu4 Hg2 I8

Cu₄Hg₂I₈ is an inorganic semiconductor compound containing copper, mercury, and iodine elements, belonging to the family of halide-based semiconductors. This material is primarily of research interest rather than established industrial use, with potential applications in optoelectronic devices, radiation detection, or photovoltaic systems where the bandgap and carrier transport properties of mixed-halide semiconductors are exploited. The compound represents an experimental composition within the broader class of mercury-halide and copper-halide semiconductors, which are being investigated as alternatives to more conventional semiconducting materials, though practical deployment remains limited due to mercury's toxicity concerns and material stability challenges.

research semiconductorsradiation detectionoptoelectronic devicesexperimental photovoltaicshalide-based sensorslaboratory characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00150	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.06400	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.

Cu4 Hg2 I8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control