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. 2024 Nov 1;10(44):eadp8567. doi: 10.1126/sciadv.adp8567

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Copyright © 2024 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 3. — (A) Representative photocurrent responses of ITO, ITO/P3HT, ITO/PCBM, ITO/P3HT:PCBM, and ITO/ZnO/P3HT:PCBM/MoO₃ polymer semiconductor films at 10-s intervals, which were recorded in phosphate buffer (0.1 M, pH 7.4) containing 0.2 wt % cysteine at 0-V bias. (B) Photocurrent response of S. ovata, ITO/ZnO/P3HT:PCBM/MoO₃, and S. ovata@ITO/ZnO/P3HT:PCBM/MoO₃ artificial biohybrid system in 10 mM PBS solution (pH 7.4) at 0-V bias. (C) Schematic diagram of the arrangement for measuring the ionic voltage (top) and device voltage (bottom) from polymer semiconductor film. (D) The ionic voltage and device voltage changes in response to light activation in ITO/ZnO/P3HT:PCBM/MoO₃ film recorded using a free-floating electrode tip in phosphate-buffered saline bath solution (0.1 M, pH 7.4).