fig7

Figure 7. Self-driven photoelectrocatalytic H₂ production. (A) Schematic representative of the organic optoelectronic device for H₂ evolution. This figure is quoted with permission from Kim et al.^[48]; (B) Schematic structure illustration of PTB7-Th/EH-IDTBR photocathode and (C) the corresponding H₂ evolution rate. Figure A-C are quoted with permission from Bashiri et al.^[47]; (D) Schematic diagram of the UDC RF-Pulsed-TENG system, and (E) the corresponding H₂ generation rate and Faraday efficiency. Figure D and E are quoted with permission from Gong et al.^[50]; (F) Illustration of biomechanical energy conversion into H₂ fuel based on the integrated CSTENG and electrochemical reactor, and (G) the continuous clapping converted into electricity for H₂ evolution. Figure F and G are quoted with permission from Ghosh et al.^[51]; (H) Schematic diagram of the structure of ID-TENG, and (I) the corresponding short-circuit current output of ID-TENG connecting to PMS and bridge rectification. Figure H and I are quoted with permission from Zhang et al.^[52]. PMS: Power management system; ID-TENG: instant discharging triboelectric nanogenerator.