CuBSe2 — Properties & Data | MatWorld

CuBSe2

metal

· CuBSe2

CuBSe2 is a ternary compound combining copper, boron, and selenium elements, belonging to the family of semiconducting chalcogenides with potential thermoelectric or optoelectronic properties. This material remains primarily in the research and development phase rather than established industrial production, with interest driven by its potential for energy conversion applications or advanced semiconductor devices where the unique combination of constituent elements offers tunable electronic characteristics.

Thermoelectric energy conversion (research)Semiconductor devices (experimental)Solar cells and photovoltaics (development)Advanced materials researchHigh-temperature applications (potential)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.585	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.617	eV	DFT · OptB88vdW
↳	1.983	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.44 range 10.03–10.85median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.497	-	DFT · OptB88vdW
↳	8.130	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.5733	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7033	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00155	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00218	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-167.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	270.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	23.37	%	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1182	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

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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.

CuBSe2

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