Al2CdS4

metal
· Al2CdS4

Al2CdS4 is a quaternary compound semiconductor combining aluminum, cadmium, and sulfur—a member of the I-III-VI2 ternary semiconductor family. This material is primarily of research interest for optoelectronic and photovoltaic applications, where its direct bandgap and semiconducting properties make it a candidate for photodetectors, thin-film solar cells, and light-emitting devices, though industrial adoption remains limited compared to more mature semiconductor systems like CdTe or CIGS. Engineers would consider Al2CdS4 when developing next-generation photovoltaic absorbers or UV-sensitive detectors where the combination of aluminum, cadmium, and sulfur offers tunable electronic properties, though material availability, processing complexity, and cadmium toxicity concerns typically drive selection toward alternative II-VI or I-III-VI compounds in production environments.

thin-film photovoltaicsphotodetectorssemiconductor researchoptoelectronic devicessolar cell absorber layers

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
Pa
Pa
Poisson's Ratio(ν)
-
Shear Modulus(G)2 entries
Pa
Pa
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
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)3 entries
-
-
median of 2 measurements
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)2 entries
C/m²
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
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
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.