Na2PtSe2 — Properties & Data | MatWorld

Na2PtSe2

metal

· Na2PtSe2

Na2PtSe2 is an intermetallic compound combining sodium, platinum, and selenium, belonging to the class of ternary metal selenides. This is a research-phase material studied primarily for its electronic and structural properties rather than established industrial production. Interest in Na2PtSe2 and related platinum-chalcogenide compounds centers on potential applications in solid-state electronics, thermoelectrics, and catalysis, where the combination of platinum's chemical stability with selenium's semiconducting characteristics may offer advantages in niche high-performance environments.

solid-state electronics researchthermoelectric materials developmentcatalytic applicationsplatinum-based compoundslow-dimensional materialsenergy conversion studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	38.93	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	16.34	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.851	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	0.9950	eV	DFT · OptB88vdW
↳	1.578	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	18.14	-	DFT · OptB88vdW
↳	14.24	-	DFT · PBE
↳	10.44 range 7.623–13.26median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.554	-	DFT · OptB88vdW
↳	6.857	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	1.860	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.627	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.04819	C/m²	DFT · OptB88vdW
↳	0.1808	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00275	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00201	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-241.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	352.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.17	%	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)	-0.8550	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.

Na2PtSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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