Over a decade since the first printed oxide transistor has been reported, printed oxide electronics is now becoming emerging technologies for realization of flexible, large-scale, low-cost electronic devices and systems. This chapter summarizes recent progress in the development of low-temperature solution-processable functional oxide materials and devices, and it also addresses critical challenges for the fundamental understanding and practical implementation of complex oxides in devices. The first part of this chapter gives an overview of the development of functional oxide inks such as semiconductors, conductors, and dielectrics. The second part discusses high-resolution printing technologies and some applications of printed electronics to exemplify their potential.
Part of the book: Green Electronics
As the most important multifunctional oxide material, lead zirconium titanate (PZT) has a diverse range of applications such as piezo actuators, ferroelectric nonvolatile memories, sensors, and transducers due to its excellent structural and electrical properties. However, it generally requires a high annealing temperature (above 600°C) to attain the desired properties, which hinders the integration of PZT with silicon-based Complementary Metal Oxide Semiconductor (CMOS). Therefore, the fabrication of PZT films by a chemical solution deposition (CSD) at temperatures compatible with Si-CMOS technology or even with polymeric substrate for flexible electronics would be of high technological interest. So far, different strategies to decrease the crystallization temperature of CSD-derived PZT films have been studied. This chapter presents a critical review on the low-temperature solution-processed PZT films and devices, and addresses challenges for fundamental understanding and practical integration of multifunctional PZT in devices. In the first part, recent advances in fabrication of CSD-derived PZT films at a low temperature are thoroughly reviewed. The second part discusses various techniques for patterning PZT into micro-nano-sized patterns. Lastly, some potential applications of the low-temperature CSD-derived PZT films and devices are demonstrated.
Part of the book: Ferroelectrics and Their Applications