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 SM ISO690:2012COJOCARU, Ala, SIMASHKEVICH, Aleksey, SHERBAN, Dormidont, TIGINYANU, Ion, URSACHI, Veaceslav, TSIULYANU, I., USATÎI, Iurie. Use of porous GaAs electrodes in photoelectrochemical cells. In: Physica Status Solidi (A) Applications and Materials Science, 2005, vol. 202, pp. 1678-1682. ISSN 1862-6300. DOI: https://doi.org/10.1002/pssa.200461223 |
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  Physica Status Solidi (A) Applications and Materials Science |
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| Volumul 202 / 2005 / ISSN 1862-6300 | ||||||
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| DOI:https://doi.org/10.1002/pssa.200461223 | ||||||
| Pag. 1678-1682 | ||||||
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The photoelectrochemical properties of semiconductor-electrolyte solar cells with carbon auxiliary electrode and colloidal aqueous solution of Na 2SiO 3 have been investigated. Bulk n-type single crystalline and nanoporous GaAs material were used as semiconductor electrodes. Current-voltage characteristics under different illumination intensities and spectral distribution of the photosensitivity were studied. The photopotential was found to reach values as high as 0.46 V for bulk n-GaAs. The introduction of porosity in GaAs shifts the maximum of the spectral distribution of photosensitivity towards the longwavelength region and increases the short circuit current by a factor of two. |
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| Cuvinte-cheie Electrochemical electrodes, Electrolytes, Nanostructured materials, photosensitivity, porosity, Semiconducting gallium compounds, Short circuit currents, Silicon compounds |
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