P4 S12 Hf2

semiconductor

· P4 S12 Hf2

P4S12Hf2 is a hafnium-based polyphosphide semiconductor compound combining phosphorus and sulfur ligands with hafnium metal centers. This is a research-phase material within the broader family of transition metal chalcogenides and phosphides, which are being investigated for optoelectronic and energy storage applications where conventional semiconductors face limitations. The hafnium incorporation and mixed-anion structure suggest potential for high-temperature stability and tunable electronic properties relevant to next-generation photovoltaics, photoelectrochemistry, or advanced catalyst systems.

photovoltaic researchphotoelectrochemical water splittinghigh-temperature semiconductorscatalytic materialsemerging optoelectronicslaboratory/experimental development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.288	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7020	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.

P4 S12 Hf2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control