Doping of poly(3-hexylthiophene) nanofibers: microscopic morphology and electrical properties S. Desbief, G. Derue, Ph. Leclère, S. Lenfant, D. Vuillaume and R. Lazzaroni Eur. Phys. J. Appl. Phys., 46 1 (2009) 12504 Published online: 10 March 2009 DOI: 10.1051/epjap/2009017