TlInHgS3

semiconductor

· TlInHgS3

TlInHgS₃ is a quaternary semiconductor compound composed of thallium, indium, mercury, and sulfur, belonging to the family of IV-VI and III-VI semiconductor materials. This is primarily a research-stage material investigated for infrared detection and sensing applications, where its narrow bandgap and high absorption coefficient in the IR spectrum make it a candidate for thermal imaging and spectroscopy. While not yet widely deployed in commercial production, materials in this chemical family are notable for their tunability and potential in detecting long-wavelength infrared radiation, though they face challenges related to toxicity (mercury and thallium content) and thermal stability compared to mainstream alternatives like HgCdTe or InSb detectors.

infrared detector researchthermal imaging prototypesspectroscopy sensorsnarrow-gap semiconductorsexperimental optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.740	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.

TlInHgS3

Electrical Properties

Regulatory Screening

Environmental

Export Control