Physical Transformation AtlasPTA
Constraint · constraint:pec-water-splitting-realistic-earth-abundant

PEC water-splitting realistic limiting efficiency, Earth-abundant materials (Fountaine Real2)

The maxima of the Earth-abundant-materials model case of Fountaine, Lewerenz & Atwater — 'realistic limiting efficiencies', a benchmark listed on a route and never decisive.

Atlas record: 1 claim references this constraint — 1 reported.

Explorerelations · sources · cite

η_max 5.4 % single junction (E_g 2.53 eV) and 16.2 % dual junction (1.93 / 1.38 eV) for absorption fraction 0.9, external radiative efficiency 10⁻⁶, catalytic exchange current densities {1, 10⁻⁵} mA cm⁻², normalised series resistivity 0.1 and shunt resistivity 10

1claims0enumerated routes0routes with complete-composition evidence0candidate routes not searched1cited sources

Relations

governed by · 1
Photoelectrochemical effect—governed by→PEC water-splitting realistic limiting efficiency, Earth-abundant materials (Fountaine Real2)reported

Cited sources · 1

  1. [1]
    Katherine T. Fountaine, Hans Joachim Lewerenz, Harry A. Atwater. Efficiency limits for photoelectrochemical water-splitting (2016)
    Nature Communications 7, 13706 (open access) · doi:10.1038/ncomms13706 · record

Cite this entity

Physical Transformation Atlas (2026). entity constraint:pec-water-splitting-realistic-earth-abundant: PEC water-splitting realistic limiting efficiency, Earth-abundant materials (Fountaine Real2). Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/e/constraint/pec-water-splitting-realistic-earth-abundant

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