In2O3

semiconductor
· In2O3

Indium oxide (In₂O₃) is a transparent conducting oxide semiconductor with a wide bandgap, combining electrical conductivity with optical transparency in the visible spectrum. It is widely used in optoelectronic and photovoltaic applications, particularly as a transparent electrode material in liquid crystal displays (LCDs), organic light-emitting diodes (OLEDs), and thin-film solar cells, often alloyed with tin (ITO) to enhance conductivity. Engineers select In₂O₃-based materials when applications require simultaneous light transmission and electrical function, though the material's indium content and cost drive consideration of alternative transparent conducting oxides in cost-sensitive applications.

transparent electrodesLCD and OLED displaysphotovoltaic devicesthin-film solar cellsoptoelectronic sensorsgas sensing applications

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
ksi
ksi
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
Thermal Conductivity(k)2 entries
BTU/(hr·ft·°F)
BTU/(hr·ft·°F)27°C
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)3 entries
eV
eV
eV
Dielectric Constant (Relative Permittivity)(εr)
median of 2 measurements
-
Electrical Conductivity(σ)
S/cm27°C
Electrical Resistivity(ρe)
Ω·m27°C
Magnetic Moment(μB)
µB
Thermoelectric Power Factor(PF)
W/(m·K²)27°C
Seebeck Coefficient(S)2 entries
μV/K27°C
µV/K
Thermoelectric Figure of Merit(zT)
-27°C
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)3 entries
eV/atom
eV/atom
eV/atom
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

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.