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. 2015 Sep 8;5:13773. doi: 10.1038/srep13773

Figure 3. Strain sensing in Magpol.

Figure 3

(A) Color change due to plastic deformation observed under UV light @ 377 nm. Deformed regions are deep blue , undeformed material is bluish green. (B) Photoluminescent spectra of Magpol shows the change in the relative heights of the peaks at 425 and 515 nm, which indicate the original colour and colour after straining respectively; The peak at 515 nm becoming more pronounced with increasing strain. (C) Sensitivity of Magpol to a range of strain values measured by the relative change in intensity of 425 and 515 nm peaks as a function of % strain.