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(a) Reflectance spectrum obtained from the 3D AAO shown in (b). (c) Reflectance spectrum of an AAO without transversal nanocannels (named as “common AAO“). (d) Reflectance spectra of the PS nanowire network shown in (e). (f) Reflectance spectrum of a non-porous PS (named as “bulk PS“). Scale bars in SEM micrographs correspond to 500 nm.
