Tb4 Cu4 Se8

semiconductor

· Tb4 Cu4 Se8

Tb4Cu4Se8 is a quaternary chalcogenide semiconductor compound combining terbium, copper, and selenium elements in a layered or complex crystal structure. This material is primarily of research and developmental interest rather than established industrial production, belonging to the broader family of transition metal selenides that are investigated for thermoelectric, optoelectronic, and photovoltaic applications. Its appeal lies in combining rare-earth (terbium) and transition metal (copper) chemistry to potentially achieve tunable electronic band structure and enhanced coupling between electrical and thermal properties compared to binary or ternary alternatives.

thermoelectric energy conversionphotovoltaic researchoptoelectronic devicessolid-state heat managementrare-earth semiconductor researchthin-film materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.9063	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.275	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.

Tb4 Cu4 Se8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control