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Fig. 2 Exfoliation and UV/vis spectroscopy in toluene.
Exfoliation and UV/vis spectroscopy in toluene. (A) Exfoliation of the coordination polymer into single strands. (B and C) Photographs of a toluene dispersion of Co-1-3 upon illumination with laser flux: (B) red and (C) green. In (C), the green flux scattering is concealed with orange PL. (D) Normalized UV/vis spectra of bridging dipyrrin proligands H2L1 and H2L3 and homopolymers Homo-1 and Homo-3. a.u., arbitrary units. (E) UV/vis spectra of Co-1-k (k = 1 to 7) normalized at 490 nm. (F) Relationship between the actual mole fraction of L1 to (L1 + L3) in Co-1-k (x) and mixing ratio of H2L1 to (H2L1 + H2L3) (r). Ryojun Toyoda et al. Sci Adv 2019;5:eaau0637 Copyright © 2019 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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