Cu2Te — Properties & Data | MatWorld

Cu2Te

Name: Cu2Te
Brand: MatWorld

semiconductor

· Cu2Te

Cu2Te is a binary semiconductor compound composed of copper and tellurium, belonging to the family of chalcogenide semiconductors. This material is primarily of research and developmental interest, investigated for thermoelectric applications, photovoltaic devices, and infrared optics where its semiconducting properties and optical characteristics are relevant. Cu2Te remains largely experimental compared to more established semiconductors, with potential value in niche applications requiring tellurium-based compounds where thermal-to-electrical energy conversion or mid-infrared responsivity are priorities.

thermoelectric devicesphotovoltaic researchinfrared detectorsmaterials researchsemiconductor developmentenergy conversion

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,218.5	ksi	DFT · OptB88vdW
Shear Modulus(G)	1,985.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2248	lb/in³	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	1.080	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00102	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000942	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-13.25	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-12.61	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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.

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.1488	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	0.1245	eV/atom	DFT · OptB88vdW
↳	-0.1444	eV/atom	Measured

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.

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

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.

Cu2Te

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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