Na2 S1

semiconductor

· Na2 S1

Na₂S₁ is an inorganic ionic compound belonging to the sulfide semiconductor family, consisting of sodium and sulfur in a 2:1 stoichiometric ratio. This material is primarily investigated in research contexts for optoelectronic and energy storage applications, where its semiconductor properties and ionic conductivity make it relevant to emerging technologies like solid-state batteries and photovoltaic systems. Compared to conventional sulfide semiconductors, sodium sulfides offer cost advantages due to sodium's abundance, though their practical engineering use remains limited and largely confined to specialized research programs rather than mature commercial applications.

solid-state battery researchoptoelectronic devicesphotovoltaic systemsionic conductor studiesemerging semiconductor applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	30.03	GPa	—
Shear Modulus(G)	18.92	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.590	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.212	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.

Na2 S1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control