Organic-inorganic hybrid perovskite structures have evolved from their predecessor (dye-sensitised solar cells) and have experienced steep progress in terms of power conversion efficiency (PCE), starting with 3.8% in 2009 and achieving 21% in 2015, by using the all-solid-state thin-film architecture. The emergence of perovskite solar cells transformed the photovoltaics field not only because of their rapidly increased efficiency, but also due to the flexibility in material growth and architecture. On the way to high efficiency, much effort has been made regarding perovskite film deposition, structure optimisation and interface manipulation.
• develop and characterise tandem solar cells with perovskite and organic solar cells concatenated.