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. Author manuscript; available in PMC: 2019 Oct 22.
Published in final edited form as: Angew Chem Int Ed Engl. 2018 Oct 8;57(43):14101–14105. doi: 10.1002/anie.201808074

Figure 1.

Figure 1.

a) Synthetic route of SP1 and SP2. The ratios of monomer 1, 2 and 3 were 1:1:1 (j) and 1:0:1 (i) for SP1 and SP2, respectively. b) Absorption spectra of SP1N, SP2N and reduced POM at pH 6.5. c) Geometry-optimized structures, and HOMO and LUMO wave functions of SP1 and SP2 (The methyl chains were substituted to amide position of SP1 and SP2 for simplicity.)