Roughness-enhanced collection of condensed droplets Joachim Trosseille, Anne Mongruel, Laurent Royon, Marie-Gabrielle Medici and Daniel Beysens Eur. Phys. J. E, 42 11 (2019) 144 Published online: 20 November 2019 DOI: 10.1140/epje/i2019-11905-9