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. 2023 Dec 18;2(1):28–39. doi: 10.1021/prechem.3c00097

Figure 4.

Figure 4

(a) UV–vis spectra and (b) normalized emission spectra of NBN-doped helicenes in toluene (∼1 × 10–5 M). Inset: Photograph of the toluene solutions under UV light (365 nm).