Fig. 2: Spectroscopic and mechanical characterization.
From: Highly efficient in crystallo energy transduction of light to work
a 1HNMR spectra of non-irradiated PMA and irradiated samples of PMA-I and PMA-II. b Fluorescence spectra of three forms and the photoreaction product. c Schematic diagram of the mechanical properties of PMA-III. d–e Micrographs of PMA-III crystals that were bent along their (001) and (010) planes. f–h Scanning electron micrographs of bent and twisted PMA-III crystals.
