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. 2021 Mar 3;7(10):eabe3196. doi: 10.1126/sciadv.abe3196

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Copyright © 2021 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) Chemical structure of PBnDT-FTAZ and P(NDI2OD-T2). (B) An illustration of the rubbing procedure to orient the polymer semiconductor layer and (C) the layers of the semitransparent polarized OPV cell. (D) The absorbance anisotropy of the oriented PBnDT-FTAZ: P(NDI2OD-T2) film under linearly polarized light parallel (∥) and perpendicular (⊥) to the rubbing direction, and the resulting dichroic ratio. (E) Responsivity of P-OPV cell under linearly polarized light ∥ and ⊥ to the rubbing direction under 0-V bias.