Na2CdSnS4
semiconductor· Na2CdSnS4
Na2CdSnS4 is a quaternary chalcogenide semiconductor compound combining sodium, cadmium, tin, and sulfur into a crystalline structure. This material belongs to the family of multinary sulfides and is primarily of research interest for photovoltaic and optoelectronic applications, particularly as an absorber layer or window material in thin-film solar cells seeking alternatives to established cadmium telluride or copper indium gallium selenide technologies. The quaternary composition offers tunable bandgap and potential cost advantages over binary or ternary semiconductors, though industrial adoption remains limited and development is largely confined to academic and exploratory materials research.
thin-film photovoltaicssolar cell absorber layersemerging optoelectronicsmaterials researchbandgap engineeringsulfide-based semiconductors
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 33.83 | GPa | — | ||
Poisson's Ratio(ν) | 0.3800 | - | — | ||
Shear Modulus(G) | 10.00 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.139 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.520 | eV | — | ||
| ↳ | 1.854 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.788 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.4169 | C/m² | — | ||
Seebeck Coefficient(S) | -92.21 | µV/K | — |
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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00340 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.8568 | 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.