K2TeBr6 — Properties & Data | MatWorld

K2TeBr6

ceramic

· JVASP-8595· K2TeBr6

K2TeBr6 is a halide perovskite ceramic compound composed of potassium, tellurium, and bromine elements. This material belongs to the family of lead-free halide perovskites, which are primarily of research interest for optoelectronic and photovoltaic applications rather than established industrial production. The compound is notable in materials science as a candidate for next-generation solar cells and light-emitting devices, where the absence of toxic lead makes it environmentally preferable to conventional perovskite formulations, though stability and performance optimization remain active areas of investigation.

perovskite solar cells (research)optoelectronic devices (emerging)photovoltaic materials (experimental)lead-free semiconductor researchlight-emitting applications (developmental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	17.07	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	8.020	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.749	kg/m³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.176	eV	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.7967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.810	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00154	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000794	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-236.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	305.4	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02620	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.056	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

Environmental

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.

K2TeBr6

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental