Fig. 8.

a Photocatalytic results of ZTO nanowire arrays under various stresses. Reproduced with permission [89]. Copyright 2016, American Ceramic Society. b The degradation of MB solution by the piezo-photocatalytic activity of ZnO nanowires/C fibers under UV irradiation and periodically applied force. Reproduced with permission [88]. Copyright 2015, Elsevier. c Schematic of porous piezo-catalysis process in BTO–PDMS porous foam. Reproduced with permission [37]. Copyright 2019, American Chemical Society