Li4HgGe2S7

semiconductor

· Li4HgGe2S7

Li₄HgGe₂S₇ is a quaternary semiconductor compound combining lithium, mercury, germanium, and sulfur elements, belonging to the family of complex sulfide semiconductors with potential ionic-conducting properties. This is primarily a research-phase material studied for its structural and electronic properties rather than an established commercial semiconductor; it represents the broader class of multinary semiconductors being investigated for solid-state electrolytes, photovoltaic applications, and ion-transport devices where the combination of heavy metal cations and sulfide bonding can create favorable band structures and ion mobility pathways.

solid-state battery researchionic conductor developmentsemiconducting photovoltaicsmaterials physics researchexploratory thin-film devicessulfide-based optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.750	eV	—

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.

Li4HgGe2S7

Electrical Properties

Regulatory Screening

Environmental

Export Control