Mo4 Se4 S4

semiconductor

· Mo4 Se4 S4

Mo4Se4S4 is a mixed-chalcogenide semiconductor compound combining molybdenum with selenium and sulfur in a layered structure. This material belongs to the family of transition metal chalcogenides, which are primarily under active research for next-generation optoelectronic and energy storage applications. The mixed anion composition creates tunable electronic and optical properties compared to binary MoS2 or MoSe2, making it of interest for photocatalysis, photodetection, and two-dimensional device engineering where bandgap engineering is critical.

photocatalysis researchphotodetectors and sensorsenergy conversion devicestwo-dimensional materials engineeringbandgap-tuned semiconductorshydrogen evolution catalysts

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	63.73	GPa	—
Shear Modulus(G)	43.36	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.5935	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8030	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.

Mo4 Se4 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control