\\{UV\\}VisPolyimide (PI), polyetheretherketone (PEEK) and polyethylene terephthalate (PET) foils were implanted with 80 keV Fe+ ions at room temperature at fluencies of 0.2 × 1016 cm−2– 5.0 × 1016 cm−2. The implanted polymers were subsequently annealed at 200 ...