Controlling wettability by light: illuminating the molecular mechanism C. Radüge, G. Papastavrou, D.G. Kurth and H. Motschmann Eur. Phys. J. E, 10 2 (2003) 103-114 Published online: 16 April 2003 DOI: 10.1140/epje/e2003-00015-0