SnPSe3 — Properties & Data | MatWorld

SnPSe3

ceramic

· JVASP-29640· SnPSe3

SnPSe3 is a layered chalcogenide ceramic compound containing tin, phosphorus, and selenium. This is an experimental/research material studied primarily for its unique electronic and photonic properties, particularly as a candidate for two-dimensional materials applications and next-generation semiconductors. It belongs to the broader family of metal phosphorus chalcogenides, which show promise for optoelectronic devices, photocatalysis, and quantum applications where layered crystal structures enable novel functionality.

2D materials researchoptoelectronic devicesphotocatalytic applicationssemiconductor prototypingthin-film electronicsquantum materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.906	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.506	eV	DFT · OptB88vdW
↳	13.99	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	40.05	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	12.00	-	DFT · OptB88vdW
↳	1.289	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.7967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.747	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1758	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00161	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00102	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-198.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	319.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000500	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2515	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.

SnPSe3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental