Na2 Al2 Se4

semiconductor
· Na2 Al2 Se4

Sodium aluminum selenide (Na₂Al₂Se₄) is a quaternary chalcogenide semiconductor compound belonging to the family of layered metal selenides with potential for photovoltaic and optoelectronic applications. This material is primarily of research interest rather than established in high-volume production; it is studied as a candidate absorber layer or transport material in thin-film solar cells and as an alternative to more commonly deployed selenides, where its specific bandgap and electronic structure offer design flexibility for multijunction device architectures. The compound's layered crystal structure and tunable electronic properties make it notable in exploratory work on earth-abundant or cost-effective photovoltaic platforms, though widespread industrial adoption remains in early development phases.

thin-film photovoltaicsresearch solar cellsoptoelectronic deviceschalcogenide semiconductorslight absorption layersexperimental device materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
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ksi——
Shear Modulus(G)
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ksi——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.