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SM ISO690:2012 RUSU, Marin. ZnO/CdS/CuGaSe2 solar cells – absorber and device properties. In: Moldavian Journal of the Physical Sciences, 2006, nr. 2(5), pp. 176-188. ISSN 1810-648X. |
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Moldavian Journal of the Physical Sciences | ||||||
Numărul 2(5) / 2006 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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Pag. 176-188 | ||||||
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For solar cells based on CuGaSe2 (CGSe) polycrystalline thin films, a novel chemical
close-spaced vapor transport technique is used to deposit CGSe absorber. Film characterisation including X-ray diffraction measurements, scanning electron microscopy observations,
X-ray fluorescence and elastic recoil detection analysis has been carried out. Optical measurements were performed to monitor the changes in the CGSe band gap as a function of composition. These results are used for a discussion of the behaviour of the ZnO/CdS/CuGaSe2
solar cell photovoltaic parameters as well as of the current transport. For the first time, a
thermally activated Shockley-Read-Hall recombination mechanism is observed for the CGSe-
based solar cells in a large temperature region. |
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