Na2Ge2Se5

semiconductor
· Na2Ge2Se5

Na2Ge2Se5 is a quaternary chalcogenide semiconductor compound combining sodium, germanium, and selenium elements, belonging to the family of metal chalcogenides studied for infrared and photonic applications. This is primarily a research material rather than a commercialized engineering compound, investigated for its potential in infrared optics, solid-state detectors, and nonlinear optical devices due to the favorable bandgap and transmission properties characteristic of germanium-selenium-based systems. Engineers and researchers consider chalcogenide semiconductors like Na2Ge2Se5 when designing systems requiring transparency in the infrared region or enhanced photon-matter interactions where conventional semiconductors (Si, GaAs) are optically opaque.

infrared optics and windowsphotonic detectorsnonlinear optical devicesresearch-stage materialssolid-state radiation sensingmid-IR spectroscopy systems

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
4.007
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
2.380
eV—
↳
1.179
eV—
Magnetic Moment(μB)
0.000
µB—
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom—
Formation Energy(ΔHf)
-0.6361
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.