S1 Se1

semiconductor

· S1 Se1

S1 Se1 is a binary semiconductor compound composed of sulfur and selenium in a 1:1 stoichiometric ratio, belonging to the chalcogenide semiconductor family. This material is primarily of research interest for optoelectronic and photovoltaic applications, where its direct bandgap and optical properties make it relevant for thin-film solar cells, photodetectors, and light-emitting devices. Compared to more established semiconductors like silicon or traditional II-VI compounds, chalcogenide mixed systems like S1 Se1 offer tunable electronic properties and potential for cost-effective production in emerging photovoltaic technologies.

thin-film solar cellsphotodetectorsoptoelectronic devicesresearch semiconductorslight absorption materialschalcogenide electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	76.67	GPa	—
Shear Modulus(G)	14.20	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01410	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.2900	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.

S1 Se1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control