Tm1 Cu1 Se2

semiconductor

· Tm1 Cu1 Se2

Tm₁Cu₁Se₂ is a ternary chalcogenide semiconductor compound combining thulium, copper, and selenium. This is a research-phase material within the family of metal chalcogenides, which are of interest for their tunable electronic and optical properties. Chalcogenide semiconductors like this composition are explored primarily in photovoltaic devices, thermoelectric energy conversion, and infrared optics, where the combination of constituent elements can enable bandgap engineering and improved charge carrier mobility compared to binary semiconductors.

photovoltaic absorber layersthermoelectric devicesinfrared detector windowssemiconductor researchthin-film optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	9,848.1	ksi	—
Shear Modulus(G)	4,243.8	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.274	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.242	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.

Tm1 Cu1 Se2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control