Mo2 W2 Se6 S2

semiconductor

· Mo2 W2 Se6 S2

Mo₂W₂Se₆S₂ is a mixed-metal dichalcogenide semiconductor combining molybdenum, tungsten, selenium, and sulfur in a layered crystalline structure. This compound belongs to the family of transition metal dichalcogenides (TMDs), which are of significant research interest for next-generation optoelectronic and energy conversion devices. The material is primarily in experimental and developmental stages, with potential advantages over single-component TMDs (like MoS₂) due to band gap engineering and enhanced electronic properties achievable through elemental alloying.

2D semiconductor researchPhotovoltaic devicesOptoelectronic sensorsField-effect transistorsCatalytic materials (hydrogen evolution)Energy storage electrodes

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	5,476	ksi	—
Shear Modulus(G)	3,978.8	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.2950 range 0.2950–0.2951median of 2 measurements	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6510	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.

Mo2 W2 Se6 S2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control