Fig. 11
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EQE and 1-R spectra as a function of wavelength. A shows the spectra of tandem devices with a-Si(H) and a-Si(L) absorber on Tsp (6.5 mins) textured substrate, with dotted line indicating EQE-sum. B shows the spectra of tandem devices with a-Si(H) absorbers on Tsac (6.5 mins), Tsac (12 mins) and Tsac (dasi=1500 nm) textured substrates.
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