Fig. 8From: Enhancement of Electrochromic Properties of Polyaniline Induced by Copper IonsEmittance curves for a PANI-0, b PANI-0.5, c PANI-1, d PANI-2, and e PANI-3 porous films. f The ∆ε regions of the spectrum (2.5–25 µm and 8–12 µm) for Cu-doped PANI porous films at different Cu ions concentrationsBack to article page