CuIn3Se5

semiconductor

· CuIn3Se5

CuIn₃Se₅ is a quaternary semiconductor compound belonging to the chalcopyrite family, composed of copper, indium, and selenium. It is primarily investigated as a photovoltaic absorber material for thin-film solar cells and as a potential material for optoelectronic devices, where it offers tunable bandgap properties and theoretical advantages in light absorption efficiency compared to binary and ternary alternatives. The material remains largely in research and development phases, with interest driven by its potential to improve conversion efficiencies in next-generation solar technologies and its compatibility with low-cost deposition techniques.

thin-film photovoltaicssolar cell absorber layersoptoelectronic devicesresearch semiconductorsbandgap engineeringlight-harvesting applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6000	eV	—

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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.

CuIn3Se5

Electrical Properties

Regulatory Screening

Environmental

Export Control