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. Author manuscript; available in PMC: 2014 Sep 4.
Published in final edited form as: J Am Chem Soc. 2013 Aug 23;135(35):10.1021/ja4065393. doi: 10.1021/ja4065393

Figure 4.

Figure 4

Abundance of imidazole bound to Co (“Co(Im)”) and 4MeIm bound to Co “Co(4MeIm)” (inset) within mixtures of 1.4×10−5 M PbS QDs, 1.7 mM 1, and 3.5 mM 4MeIm, where the mixtures were monitored by NMR in the dark (black solid) and under illumination (red open) with a 75 W halogen lamp passed through a 400 nm long-pass filter. PET from the photoexcited QDs decreases the time constant for axial ligand substitution from 45 minutes to 5.5 minutes.