Process sensitivities and interface optimisation of CdTe solar cells deposited by close-space sublimation

In a world where the need of clean and sustainable energy production has become a necessity, photovoltaic (PV) solar cells can provide a clean and cost-effective alternative to conventional fossil fuel energy sources. Recent technological advancements in PV technologies have improved their financial viability, making the PV industry the leading energy market at the moment in new installations. Thin film solar cells can potentially further reduce manufacturing costs through less material requirements and simpler deposition methods. CdTe solar cells are currently the most commercially successful thin film technology which have secured approximately half of the thin film market share. However, CdTe solar cells have only achieved 70% of their theoretical maximum efficiency, making this a promising area of research in the quest for improving the financial viability of this technology. This thesis aims to investigate possible ways of improving the performance of CdTe solar cells through interface optimisation. [Continues.]