Ag4 Hg4 S4 I4
semiconductor· Ag4 Hg4 S4 I4
Ag₄Hg₄S₄I₄ is a mixed-halide semiconductor compound combining silver, mercury, sulfur, and iodine in a 1:1:1:1 stoichiometry. This is a research-phase material within the family of complex chalcohalide semiconductors, studied primarily for optoelectronic and photovoltaic applications where its unique bandgap and mixed-anion coordination offer tunable electronic properties. The material remains largely experimental; its practical adoption depends on overcoming challenges common to mercury-containing semiconductors, including toxicity concerns, environmental stability, and scalable synthesis, though it represents a promising direction for next-generation solid-state light emitters and detectors.
optoelectronic devices (experimental)photovoltaic researchinfrared detectors (development stage)bandgap engineeringthin-film semiconductorsmaterials research
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | 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.