Abstract
The efficiency of photoelectrolysis with solar radiation can be greatly enhanced by using simultaneously illuminated n- and p-type electrodes. An energy level scheme for heterotype and homotype p-n photoelectrolysis cells is presented which explains the enhanced efficiency. Data are presented for the homotype n-GaP/p-GaP and the heterotype n-TiO2/p-GaP systems which support the energy model. H2 and O2 are produced in the n-TiO2/p-GaP cell without the need of an external anodic bias.
Keywords
PhotoelectrolysisOptoelectronicsBand gapAnodeMaterials scienceElectrodeChemistryElectrolysisPhysical chemistry
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Publication Info
- Year
- 1976
- Type
- article
- Volume
- 29
- Issue
- 3
- Pages
- 150-153
- Citations
- 324
- Access
- Closed
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Cite This
Arthur J. Nozik
(1976).
<i>p</i>-<i>n</i> photoelectrolysis cells.
Applied Physics Letters
, 29
(3)
, 150-153.
https://doi.org/10.1063/1.89004
Identifiers
- DOI
- 10.1063/1.89004