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Figure 3 | Nanoscale Research Letters

Figure 3

From: Si solid-state quantum dot-based materials for tandem solar cells

Figure 3

Room temperature absorption coefficient of annealed SiO x /SiO 2 multilayer films with various x (1,100°C, 1 h; [11]). There is a strongly absorbing region at energies above 3 eV, in which absorption increases with the Si content of the layers, and a weakly absorbing region at less than 3 eV, which is not strongly affected by Si content.

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