Pr2 Cu2 S2 O2

semiconductor
· Pr2 Cu2 S2 O2

Pr₂Cu₂S₂O₂ is an oxysulfide semiconductor compound combining praseodymium (a rare-earth element), copper, sulfur, and oxygen into a mixed-anion crystal structure. This material remains largely in the research phase, investigated primarily for its potential in photovoltaic devices, photoelectrochemistry, and optoelectronic applications where mixed-anion semiconductors offer tunable band gaps and enhanced light absorption compared to single-anion alternatives. The inclusion of copper and rare-earth elements positions it within the broader family of advanced semiconductors being explored to overcome efficiency and cost limitations of conventional silicon-based photovoltaics, though industrial adoption has not yet been established.

experimental photovoltaic devicesphotoelectrochemical water splittingoptoelectronic researchrare-earth semiconductor compoundsthin-film solar cellslight-harvesting materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
91.43
GPa—
Shear Modulus(G)
41.48
GPa—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.856
eV—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
-2.106
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.