CdCu2GeSe4 — Properties & Data | MatWorld

CdCu2GeSe4

Name: CdCu2GeSe4
Brand: MatWorld

semiconductor

· CdCu2GeSe4

CdCu2GeSe4 is a quaternary semiconductor compound belonging to the chalcogenide family, combining cadmium, copper, germanium, and selenium in a structured lattice. This material is primarily of research and developmental interest for optoelectronic and photovoltaic applications, where its tunable bandgap and potential for efficient light absorption make it a candidate for next-generation solar cells and infrared detectors. While not yet commercially widespread, quaternary chalcogenides like this compound are investigated as alternatives to traditional silicon and CIGS solar technologies, offering potential advantages in cost, flexibility, and spectral response optimization.

experimental photovoltaic devicesinfrared detectorsoptoelectronic researchthin-film solar cellssemiconductor device developmentmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	58.63	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	23.36	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.485	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	1.200	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
↳	0.5680	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	1,160.7	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	9.423	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.4817	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000978	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00123	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-98.92	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	184.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	18.21	%	DFT · TBmBJ

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00800	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3296	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

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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.

CdCu2GeSe4

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