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. Author manuscript; available in PMC: 2014 Oct 17.
Published in final edited form as: Chem Sci. 2012 Apr;3(4):1105–1110. doi: 10.1039/C2SC00975G

Fig. 6.

Fig. 6

Emission spectra of 2b·HBF4 and 3d·HBF4 before addition of TBACl (dotted lines) and after addition of TBACl. Compound 2b·HBF4 was excited at 416 nm, and compound 3d·HBF4 was excited at 365 nm.