Bell, T. D. M., Stefan, A., Masuo, S., Vosch, T., Lor, M., Cotlet, M., Hofkens, J., Bernhardt, S., Müllen, K., van der Auweraer, M., Verhoeven, J. W., & De Schryver, F. C. (2005). Electron transfer at the single-molecule level in a triphenylamine-perylene imide molecule. ChemPhysChem, 6(5), 942-948. doi:10.1002/cphc.200400567.