Abstract:
Use of electronic devices has become an integral part of our day to day activities; a major part of
it is associated with storing, receiving, and sending information. The domains of piezoelectricity
and triboelectricity (friction) are two important phenomena, which are majorly employed in
harvesting mechanical energy through devices known as piezoelectric nanogenerators (NG) and
triboelectric nanogenerators (TENG). The former one deals with mechanical impact, vibration or
deformation-induced changes in electric polarization and the corresponding voltage and
displacement current output. The latter one deals with a real charge separation between two
material systems driven by different frictional avenues. Herein, we describe the fabrication of
piezoelectric/triboelectric nanogenerators of polymer composites composed of organic/inorganic
materials and naturally occurring (green) precursors. The present thesis deals with materials and
device developments to harness, store and apply mechanical energy around us.
