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The UV-Vis spectra (A) and TEM images of GoMe (C, D), and the UV-Vis spectra (B) and TEM images of GNR (E, F). TEM images of GoMe before laser irradiation (C) and after 5 cycles of irradiation induced heating/cooling (D). TEM images of GNR before laser irradiation (E) and after 5 cycles of irradiation induced heating/cooling (F). Red arrows indicate those GNRs changed to round shape (F). Scale bars are 50 nm in all images.
