Light-controlled Directional Liquid Drop Movement on TiO 2 Nanorods-based Nanocomposite Photopatterns Francesca Villafiorita Monteleone a,c, *, Gianvito Caputo a , Claudio Canale b , P. Davide Cozzoli a , Roberto Cingolani b , Despina Fragouli c and Athanassia Athanassiou a,c, * a National Nanotechnology Laboratory (NNL), CNR - Istituto di Nanoscienze, Università del Salento, via per Arnesano, 73100 Lecce, Italy b Italian Institute of Technology (IIT), via Morego 30, 16152 Genova, Italy c Center for Biomolecular Nanotechnologies (CBN) of IIT @UniLe, via Barsanti, 73010 Arnesano, Lecce, Italy *Corresponding authors. E-mail: francesca.villafiorita@unisalento.it; athanassia.athanassiou@unisalento.it