Ta2 Se4

semiconductor

· Ta2 Se4

Ta₂Se₄ is a layered transition metal dichalcogenide semiconductor compound combining tantalum and selenium. This material belongs to the family of van der Waals solids that exhibit tunable electronic and optical properties, making it primarily a research material under investigation for next-generation optoelectronic and energy storage applications. Engineers and researchers are exploring Ta₂Se₄ for potential use in flexible electronics, photodetectors, and two-dimensional device architectures where its layered crystal structure and semiconductor behavior could offer advantages over conventional silicon-based alternatives.

research semiconductor devicesphotodetectors and optical sensorsflexible and wearable electronicsenergy storage systemstwo-dimensional materials applicationsthin-film optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	54.52	GPa	—
Shear Modulus(G)	33.77	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00850	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.8210	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.

Ta2 Se4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control