TiO2 nanoparticles have been used to enhance multifunctional properties of PVDF systems. This study is focused on overcoming challenges in nanoparticle dispersion and the consequence on dielectric as well as mechanical properties of resulting nanocomposites. Characterization techniques have been utilized to study the efficiency of particle surface modification. X-Ray Photoelectron Spectroscopy (XPS) has been used for surface analysis of particles before and after modification. Functionalized particles were analyzed by Fourier Transform Infrared spectroscopy (FT-IR) to verify absorbed coupling agent and appearance of functional groups on the surface of the particles. Scanning Electron Microscopy of TiO2/PVDF nanocomposites along with dielectric spectroscopy and dynamic mechanical analysis results were used to determine multifunctional properties of the system before and after using coupling agents.