K2PtSe2 — Properties & Data | MatWorld

K2PtSe2

metal

· K2PtSe2

K2PtSe2 is an intermetallic compound combining potassium, platinum, and selenium, belonging to the family of ternary metal chalcogenides. This material is primarily of research interest rather than established industrial production, investigated for its potential in solid-state physics and materials chemistry due to the unique electronic and structural properties that arise from combining a noble metal (Pt) with alkali and chalcogen elements. Engineers and materials scientists study compounds of this type to explore novel thermoelectric, optoelectronic, or catalytic applications where the combination of chemical constituents offers properties unavailable in conventional binary alloys or simple ceramics.

research and developmentthermoelectric materialssolid-state chemistryexperimental semiconductorsnoble metal compoundsmaterials physics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	36.07	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	19.38	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.317	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)2 entries	1.019	eV	DFT · OptB88vdW
↳	1.503	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	10.71	-	DFT · PBE
↳	8.146 range 6.181–10.11median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.566	-	DFT · TBmBJ
↳	7.053	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00355	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00187	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-251.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	384.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.28	%	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)	-0.9837	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

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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.

K2PtSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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