. Author manuscript; available in PMC: 2014 Oct 9.

Published in final edited form as: J Am Chem Soc. 2013 Sep 24;135(40):15018–15025. doi: 10.1021/ja403906d

Table 3.

LFER Values Obtained from the Literature^25,28 and Plotted against the Reaction Constant Ratios for Various p-X-N-DMBI Compounds for the Doping Reaction with PC₆₁BM in Chlorobenzene (ClBz) at 85 °C

		log(k_X/k_H)

X group	σ	excess PC₆₁BM in ClBz	excess DMBI in ClBz
H	0.00	0.00	0.00
NO₂	0.78	−1.53	−2.10
MeO	−0.27	0.30	0.43
F	0.06	−0.30	−0.25
Cl	0.23	−0.40	−0.32
NMe₂	−0.83	0.81	0.87
CN	0.66	−1.00	−0.99
CH₃	−0.17	0.21	0.37
CF₃	0.54	−0.89	−0.78