Na12 As4 S12

semiconductor

· Na12 As4 S12

Na12As4S12 is a mixed-valence arsenic sulfide semiconductor compound belonging to the family of alkali-metal chalcogenides with layered or framework structures. This material is primarily of research interest for solid-state chemistry and materials science, investigated for its electronic properties and potential in photovoltaic or optoelectronic applications where arsenic chalcogenides are explored as alternatives to more conventional semiconductors.

photovoltaic researchoptoelectronic devicessolid-state chemistryexperimental semiconductorsinfrared-sensitive materialsthermoelectric materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.541	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9670	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

Quality & Standards

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.

Na12 As4 S12

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards