Instituto de Microelectronica de Barcelona 1 article published in JoVE Chemistry Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods Stella Vallejos1,2, Naděžda Pizúrová3, Jan Čechal4, Isabel Gràcia1, Carles Cané1 1Instituto de Microelectrónica de Barcelona (IMB-CNM, CSIC), 2SIX Research Centre, Brno University of Technology, 3Institute of Physics of Material, Academy of Science of Czech Republic, 4Institute of Physical Engineering and Central European Institute of Technology, Brno University of Technology Columnar zinc oxide structures in the form of rods are synthesized via aerosol-assisted chemical vapor deposition without the use of pre-deposited catalyst-seed particles. This method is scalable and compatible with various substrates based on either silicon, quartz or polymers.