Cu2 Ge1 Se4 Hg1

semiconductor

· Cu2 Ge1 Se4 Hg1

Cu₂GeSe₄Hg is a quaternary semiconductor compound combining copper, germanium, selenium, and mercury in a mixed-metal chalcogenide structure. This is a research-phase material studied primarily for its potential in thermoelectric and optoelectronic applications, where the combination of elements is designed to manipulate band structure and phonon behavior. The material family occupies a niche intersection of II-VI and I-III-VI₂ semiconductors, with potential relevance to energy conversion and infrared sensing where alternatives like CdTe or lead-based materials face regulatory or performance constraints.

thermoelectric energy conversioninfrared detectorsphotovoltaic researchsolid-state electronics R&Dband-gap engineeringexperimental semiconductor devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	8,320.4	ksi	—
Shear Modulus(G)	3,257.5	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.3403	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2200	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.

Cu2 Ge1 Se4 Hg1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control