P4 Se12 Hg4

semiconductor

· P4 Se12 Hg4

P4Se12Hg4 is an experimental quaternary semiconductor compound combining phosphorus, selenium, and mercury elements, belonging to the family of chalcogenide semiconductors with potential optoelectronic functionality. This research-stage material is investigated primarily in academic settings for applications requiring narrow bandgap semiconductors or thermoelectric properties, though industrial deployment remains limited. The mercury-containing composition and complex crystal chemistry make it notable as a candidate for specialized photovoltaic or infrared detection research, though environmental and toxicity considerations typically limit practical adoption compared to lead-free or less toxic alternatives.

infrared detectors (research)narrow-bandgap semiconductorsthermoelectric materials (experimental)photovoltaic researchmaterials science studiescompound semiconductor development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	3,829	ksi	—
Shear Modulus(G)	1,958	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.004	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.08400	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.

P4 Se12 Hg4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control