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Fig. 5 | Nanoscale Research Letters

Fig. 5

From: Light Trapping Enhancement in a Thin Film with 2D Conformal Periodic Hexagonal Arrays

Fig. 5

Absorption spectra. a Absorption spectra of 300-nm periodic samples with a Ag layer of 200-, 300-, and 400-nm thicknesses; the planar film with the Ag layer of 200-nm thickness is used as a reference, and the thickness of the a-Si layer in all four samples is 160 nm. b Absorption spectra of 300-nm periodic samples with an a-Si layer of 120-, 200-, and 280-nm thicknesses. c The absorption spectra of the three planar samples are used as the references relative to the periodic ones in b; the thickness of Ag in b and c is fixed at 200 nm

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