Fig. 3

The relative change in PL intensity (ΔI/I) as a function of a the bending radius and b the bending strain for the structure. The inset in b shows the illustration of the structure with a tensile in-plane strain under outward bending
The relative change in PL intensity (ΔI/I) as a function of a the bending radius and b the bending strain for the structure. The inset in b shows the illustration of the structure with a tensile in-plane strain under outward bending