CuInO2S

ceramic

· CuInO2S

CuInO2S is a mixed-valence copper-indium oxysulfide ceramic compound that combines oxide and sulfide anionic frameworks, placing it in the emerging class of semiconducting ceramics with potential optoelectronic functionality. This material is primarily a research compound rather than an established industrial ceramic; it is being investigated for photovoltaic absorber layers, photoelectrochemical devices, and thin-film semiconductor applications where the tunable bandgap and mixed-anion structure offer advantages over conventional single-anion alternatives. Interest in this compound derives from the ternary Cu–In–(O,S) system's demonstrated potential to improve light absorption and charge carrier transport compared to purely oxide or sulfide phases, making it relevant for next-generation solar technologies and visible-light photocatalysis.

thin-film photovoltaicsphotoelectrochemical water splittingsemiconducting ceramicsresearch/development materialsoptoelectronic devicesphotocatalysts

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.4110	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.9000	eV/atom	—

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

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.

CuInO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental