Se4 Nb4 I4

semiconductor

· Se4 Nb4 I4

Se₄Nb₄I₄ is a mixed-halide niobium selenide compound belonging to the family of layered transition metal chalcohalides, which are emerging semiconductor materials with low-dimensional crystal structures. This material is primarily of research interest for next-generation optoelectronic and energy conversion applications, where its tunable bandgap, potential for strong light-matter interaction, and layered geometry make it attractive as an alternative to conventional semiconductors; however, it remains in early-stage development with limited commercial deployment and is less established than mature semiconductors like Si or GaAs.

emerging optoelectronicsresearch photovoltaicslight-emitting devicesnonlinear optical materialsthin-film electronicsexploratory semiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9776	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7580	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.

Se4 Nb4 I4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control