Photoelectrochemical deposition of CoP on cuprous oxide photocathodes for solar hydrogen production

Photoelectrochemical deposition of CoP on cuprous oxide photocathodes for solar hydrogen production

Photoelectrochemical (PEC) water splitting is an attractive and sustainable energy conversion method. In this work, cobalt phosphide (CoP) is photoelectrochemically deposited on a p-type cuprous oxide (p-Cu2O) photocathode for solar hydrogen production. Under visible light irradiation, the PEC assem...

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Veröffentlicht in:Electrochimica acta 2017-05, Vol.235, p.311-316
Hauptverfasser: Stern, Lucas-Alexandre, Liardet, Laurent, Mayer, Matthew T., Morales-Guio, Carlos Gilberto, Grätzel, Michael, Hu, Xile
Format: Artikel
Sprache:eng
Schlagworte:
Alternative energy
Cobalt
Cobalt phosphide
Conversion
Copper oxides
Cuprous oxide
Current density
Density
Electric currents
Electrodes
Energy conversion
Hydrogen
Hydrogen evolution
Hydrogen production
Light irradiation
Photocathodes
Photoelectrochemistry
Renewable energy
Studies
Water splitting
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Beschreibung
Zusammenfassung:Photoelectrochemical (PEC) water splitting is an attractive and sustainable energy conversion method. In this work, cobalt phosphide (CoP) is photoelectrochemically deposited on a p-type cuprous oxide (p-Cu2O) photocathode for solar hydrogen production. Under visible light irradiation, the PEC assembly is active for hydrogen evolution, generating a current density of up to −5.3mAcm−2 and −4.2mAcm−2 in acidic and basic conditions at 0V vs. the reversible hydrogen electrode (RHE).
ISSN:0013-4686
1873-3859
DOI:10.1016/j.electacta.2017.03.074