TiSe2 — Properties & Data | MatWorld

TiSe2

Name: TiSe2
Brand: MatWorld

semiconductor

· TiSe2

TiSe₂ is a layered transition metal dichalcogenide semiconductor composed of titanium and selenium atoms arranged in a two-dimensional crystal structure. This material is primarily investigated in research and emerging technology contexts rather than high-volume industrial production, with potential applications in optoelectronics, energy storage, and thermoelectric devices that exploit its layered geometry and electronic properties.

2D semiconductor devicesLayered optoelectronicsBattery and supercapacitor electrodesThermoelectric applicationsPhotovoltaic researchVan der Waals heterostructures

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	2,338.7	ksi	DFT
↳	6,004.6	ksi	DFT · OptB88vdW
Exfoliation Energy(Eexf)	94.48	meV/atom	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2300	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	1,717.4	ksi	DFT
↳	3,997.2	ksi	DFT · OptB88vdW

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
Density(ρ)	0.1866	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	1.550	eV	Measured
Dielectric Constant (Relative Permittivity)(εr)	414.9	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW

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)	0.01220	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.163	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

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.

TiSe2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control