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(a) AFM height image of the EM-R0.02 nanoparticles dried on a glass substrate and their determined sizes (FWHM and the maximum height). (b) Photograph and (c) SEM image (surface) of the EM-R0.02 films. (d) Photograph snapshots taken during the tear tests of the EM and EM-R0.02 films. The initial crack length was 2 mm and the elongation rate was fixed at 10 mm/min. (e) Film width w and (f) −dw/dt as a function of time.
