Electrical transport and the Schottky effect in organic nanoelectronic materials and devices

The field of nanotechnology is emerging with the promise of cheap, light weight, and flexible optoelectronics devices. Some commercial applications based on semiconducting polymers have already become available in the market. This field has also brought new challenges for the research community.; In this work, the electrical transport and spectroscopic properties of different nanomaterials and nanocomposites have been studied. The composites were made from polymers, nanotubes, metallic nanoparticles, and dyes. Electrical transport and Schottky effect are the properties that fundamentally govern the operation of the three dominant types of organic electronic devices such as organic light emitting devices (OLEDs), photosensitive devices (solar cells and photodetectors) and organic field effect transistors (OFETs).; Schottky devices have been made from pristine nanomaterials and nanocomposites. The Thermionic emission/diffusion equation has been used to extract the parameters of the device. Their performance has been studied and compared. Devices made from composites have shown better performance than those that are made of pristine polymers. Enhancement of light absorption has also been observed by attaching dyes to single wall nanotubes.