MoSe2

semiconductor
· MoSe2

Molybdenum diselenide (MoSe2) is a layered transition metal dichalcogenide semiconductor with a hexagonal crystal structure, belonging to the family of two-dimensional (2D) materials that can be exfoliated into atomically thin sheets. It is primarily investigated for next-generation electronics, photonics, and energy storage applications where its direct bandgap and strong light-matter interaction offer advantages over conventional silicon-based devices. MoSe2 is notable for enabling flexible electronics, high-sensitivity photodetectors, and catalytic surfaces for hydrogen evolution, with significant research momentum in monolayer and few-layer form factors where quantum confinement effects enhance performance relative to bulk alternatives.

2D semiconductor devicesflexible electronicsphotodetectors and image sensorscatalytic electrodes (hydrogen production)field-effect transistors (FETs)integrated photonics and optoelectronics

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
ksi
ksi
Exfoliation Energy(Eexf)
meV/atom
Poisson's Ratio(ν)
-
Shear Modulus(G)2 entries
ksi
ksi
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
eV
eV
Dielectric Constant (Relative Permittivity)(εr)3 entries
-
-
median of 2 measurements
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
Seebeck Coefficient(S)
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
eV/atom
Verified Unverified Low confidence (<80%) Link to source

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.