CuBiP2Se6

semiconductor
· CuBiP2Se6

CuBiP2Se6 is a ternary chalcogenide semiconductor compound combining copper, bismuth, phosphorus, and selenium—a layered material system under active research for next-generation optoelectronic and thermoelectric applications. This compound belongs to the family of van der Waals materials with potential for exfoliation into few-layer or monolayer forms, positioning it as a candidate for 2D device engineering where tunable electronic properties and layer-dependent optical response are valuable. While primarily in the research phase, materials in this composition space show promise in niche applications where conventional semiconductors like Si or GaAs are either too rigid, too opaque, or lack sufficient tunability for emerging technologies in photonics and energy conversion.

2D materials and van der Waals heterostructuresOptoelectronic devices and photodetectorsThermoelectric energy conversionFlexible and wearable electronicsNonlinear optical applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
32.36
GPa—
Exfoliation Energy(Eexf)
78.66
meV/atom—
Poisson's Ratio(ν)
0.3000
-—
Shear Modulus(G)
15.47
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
5.330
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
1.200
eV—
↳
0.5740
eV—
Dielectric Constant (Relative Permittivity)(εr)
97.04
-—
Magnetic Moment(μB)
0.000
µB—
Piezoelectric Modulus(eij)
0.000
C/m²—
Seebeck Coefficient(S)
-103.1
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)
0.00770
eV/atom—
Formation Energy(ΔHf)
-0.1445
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.