SnS2 — Properties & Data | MatWorld

SnS2

Name: SnS2
Brand: MatWorld

semiconductor

· SnS2

Tin disulfide (SnS₂) is a layered two-dimensional semiconductor compound belonging to the transition metal dichalcogenide family, characterized by weak van der Waals interlayer bonding. Currently pursued primarily in research and emerging technology contexts, SnS₂ shows promise for optoelectronic devices, energy storage, and sensing applications where its layer structure enables mechanical exfoliation and integration into next-generation nanodevice architectures. Engineers consider this material for projects requiring tunable bandgap semiconductors, particularly in flexible electronics, photodetectors, and battery electrode materials where the ability to produce ultrathin films offers performance advantages over conventional bulk semiconductors.

photodetectors and optical sensorsbattery and supercapacitor electrodesflexible and wearable electronics2D nanodevices and heterostructuresfield-effect transistors (FETs)photocatalysis and environmental remediation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	42.97	GPa	DFT · OptB88vdW
Exfoliation Energy(Eexf)	83.28	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	26.30	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.315	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)3 entries	2.430	eV	Measured
↳	1.224	eV	DFT · OptB88vdW
↳	2.063	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	20.24	-	DFT · OptB88vdW
↳	12.48	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	9.304	-	DFT · OptB88vdW
↳	7.170	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00359	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00218	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-267.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	379.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	21.56	%	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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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.4399	eV/atom	DFT · OptB88vdW
↳	-0.5307	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.

SnS2

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