Hydrogen generation by light-induced water splitting using ZnO single crystals

This paper presents experimental results of implementation of ZnO single crystals as photoanodes in photoelectrochemical (PEC) cells for hydrogen generation from water splitting. Both, as-grown and annealed in oxidizing atmosphere ZnO single crystals were investigated. It was found that as-grown ZnO...

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Bibliographic Details
Main Authors: Suhak, Yu, Izdebska, K., Skupinski, P., Reszka, A., Sybilski, P., Kowalski, B. J., Mycielski, A., Soszko, M., Suchocki, A.
Format: Conference Proceeding
Language:English
Subjects:
Annealing
Crystals
Electrodes
Hydrogen
hydrogen generation
Lighting
photo-cells
photo-electrodes
Photoconductivity
semiconducting materials
water splitting
Zinc oxide
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Summary:This paper presents experimental results of implementation of ZnO single crystals as photoanodes in photoelectrochemical (PEC) cells for hydrogen generation from water splitting. Both, as-grown and annealed in oxidizing atmosphere ZnO single crystals were investigated. It was found that as-grown ZnO single crystals possess much higher conversion efficiencies than annealed in O 2 . The photocurrent density was found to increase significantly with the increase of external bias applied and excitation light intensity.
DOI:10.1109/OMEE.2012.6464883