The Multifunctional Optical Materials Group of the Institute of Materials Science of Seville is devoted to the development of new photonic structures in which several other functionalities are combined. Materials design, preparation, and characterization, as well as device integration, are all performed within the group to yield a full approach to the problems addressed and give rise to creative solutions. The group comprises a team of materials chemists and physicists that cover all different aspects involved, ranging from the synthesis of nanomaterials to the simulation of the electro-optical performance of devices.