Tl2 In2 S4

semiconductor

· Tl2 In2 S4

Tl₂In₂S₄ is a ternary chalcogenide semiconductor compound combining thallium, indium, and sulfur. This is a research-phase material studied primarily for optoelectronic and photovoltaic applications, belonging to the broader family of layered semiconductors with potential advantages in light absorption and carrier transport. The material's layered structure and tunable band gap make it of interest for next-generation thin-film solar cells, infrared detectors, and nonlinear optical devices, though it remains largely in experimental development and has not achieved widespread commercial deployment compared to more established semiconductors like cadmium telluride or CIGS.

experimental photovoltaicsinfrared detectorsnonlinear optical devicesthin-film semiconductorsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	50.56	GPa	—
Shear Modulus(G)	23.61	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01850	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6090	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.

Tl2 In2 S4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control