Fig. 2. Photosynthesis test of polymer semiconductor film–based biohybrid artificial photosynthetic systems.
(A) Schematic diagrams of exciton separation and recombination of polymer semiconductor films with P3HT, P3HT:PCBM bulk-heterojunction (BHJ), and multilayer film structures. CB, conduction band; VB, valence band. (B) Scanning electron microscopy (SEM) characterization of the S. ovata@Glass/P3HT and S. ovata@ITO/ZnO/P3HT:PCBM/MoO3 artificial biohybrid system. The scale bar is 5 μm. (C) The OD600 of S. ovata in different polymer semiconductor film–based systems during artificial photosynthesis test. (D) The total acetate production and (E) the cumulative variation of acetate production during a week of testing artificial photosynthesis under various conditions. (F) The QE of S. ovata hybrid artificial photosynthetic systems with different structured organic semiconductor films.
