B2S3

Name: B2S3
Brand: MatWorld

ceramic

· B2S3

B₂S₃ is a binary ceramic compound composed of boron and sulfur, belonging to the broader family of boron chalcogenides. This material is primarily of academic and research interest rather than established industrial production, with potential applications in optical and photonic devices due to its wide bandgap semiconductor characteristics. While not yet mature for widespread commercial use, B₂S₃ represents a candidate material for infrared optics, thin-film coatings, and emerging applications in solid-state electronics where its chemical stability and refractory properties could offer advantages over conventional alternatives.

infrared optics (research phase)thin-film coatingswide-bandgap semiconductorsphotonic devicesrefractory ceramicsexperimental electronic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	31.91	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	33.36	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.07883	lb/in³	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	1.331	eV	DFT · OptB88vdW
↳	2.290	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	9.568	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.881	-	DFT · OptB88vdW
↳	5.378	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.9400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.003	me	DFT · OptB88vdW · 27°C
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00111	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00219	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-136.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	350.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	16.79	%	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-0.4047	eV/atom	DFT · OptB88vdW
↳	-0.5230	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

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.

B2S3 — Properties & Data | MatWorld

B2S3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental