ABSTRACT
This chapter presents new areas to focus on in photovoltaic (PV) research and development efforts in order to progress forward. The main impact is from the understanding of material issues and the underlying physics behind the complex devices. PV research requires new ways of thinking, moving away from traditional thought process. Thin-film solar cells have a very bright future, but the material issues and device physics understanding must be improved in order to achieve high-efficiency and low-cost products. A good part of the scientific research must be devoted to revisiting the existing wisdom from time to time with an open mind and making the required improvements. The results indicate that the new thought process is in the right direction and future work using low-cost growth techniques to produce the new device structure has a bright future.
