Tl2BiP2S7

semiconductor

· Tl2BiP2S7

Tl₂BiP₂S₇ is a ternary chalcogenide semiconductor compound combining thallium, bismuth, phosphorus, and sulfur—a member of the metal phosphide sulfide family of materials. This is primarily a research-phase compound studied for its potential in infrared optics and solid-state photonic applications, where layered chalcogenides offer tunable bandgaps and nonlinear optical properties. While not yet widely deployed in commercial products, materials in this chemical family are of interest as alternatives to more toxic or less efficient semiconductors for mid-to-long-wavelength infrared detection and frequency conversion.

infrared opticsnonlinear photonicsresearch semiconductorschalcogenide materialsoptical detectorsemerging solid-state devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.800	eV	—

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.

Tl2BiP2S7

Electrical Properties

Regulatory Screening

Environmental

Export Control