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The electrical and optical characteristics of polycrystalline films zinc oxide:gallium, implanted consecutively with 40 keV and 80 keV nitrogen at doses of 1×1015 or 1×1016 cm−2 (ZnO:Ga:N+), have been investigated. In photoluminescence spectra (PL) of studied samples taken at room temperature (RT), were identified three lines at 3.26 eV, 2.1 eV and 1.7 eV that were attributed to donor-to-acceptor...
This paper presents a comparative study of the influence of post-deposition annealing on amorphous silicon/crystalline silicon heterojunction solar cells deposited by ICP-CVD and PE-CVD techniques. Two major effects on the solar cell efficiency occur caused by thermal annealing. The first effect is a slight improvement of the performance on annealing up to 250°C. The second effect, for annealing temperatures...
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