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. Author manuscript; available in PMC: 2011 Apr 2.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2010 Apr 2;114(17):7793–7805. doi: 10.1021/jp1005023

Table 1.

Concentrations of nitroxides 1-4 required to reduce the luminescence of 0.4 μM CdSe QDs in toluene by 50%.

Nitroxides Concentration for Io/I = 2 (M)
Amino Pyrrolidine 1 1.9× 10-5
4-Amino TEMPO 2 2.0 × 10-6
Carboxylic Acid 3 6.3 × 10-6
Bisamino 4 5.7 × 10-5