In4S5

semiconductor

· In4S5

In₄S₅ is a quaternary indium sulfide compound belonging to the III–V semiconductor family, with potential applications in optoelectronic and photovoltaic devices. This material is primarily of research interest for next-generation solar cells, photodetectors, and infrared-sensitive components, where its direct bandgap and sulfide composition offer alternatives to more established III–V semiconductors like GaAs or InP. Industrial adoption remains limited; engineers would consider In₄S₅ when exploring cost-effective or earth-abundant substitutes for conventional indium phosphides, or when narrow bandgap and high absorption coefficients are critical for specialized photonic applications.

photovoltaic devicesphotodetectorsinfrared sensorsthin-film optoelectronicsresearch-phase semiconductorssolar cell absorber layers

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9000	eV	—

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.

In4S5

Electrical Properties

Regulatory Screening

Environmental

Export Control