W1 Se2 — Properties & Data | MatWorld

W1 Se2

semiconductor

· W1 Se2

W1Se2 is a layered transition metal dichalcogenide (TMD) semiconductor composed of tungsten and selenium. This material is primarily of research and developmental interest, studied for its potential in next-generation electronics, optoelectronics, and energy storage applications due to its direct bandgap properties and strong light-matter interactions characteristic of the TMD family. Engineers exploring W1Se2 would consider it for applications requiring atomically-thin semiconductors with tunable electronic properties, though it remains largely in the experimental phase compared to established commercial semiconductors like silicon or gallium arsenide.

2D semiconductor researchoptoelectronic devicesphotovoltaic cellsfield-effect transistorsenergy storage and catalysisphotodetectors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	22.36	GPa	DFT · OptB88vdW
Shear Modulus(G)	16.63	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.334	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4660	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

W1 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control