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Upscaling Vapour Deposited Perovskite Solar Cells

Metal halide Perovskite solar cells have emerged as promising semiconductor devices for next generation photovoltaics. Remarkably, the power conversion efficiency of single junction solar cells has reached >22% within 6 years. Efficient tandem solar cells based on perovskites have also recently been achieved. However, almost all reported high-efficiency devices have small active areas, typically around 0.1 cm^2. Upscaling of single junction and tandem perovskite solar cells are required for successful manufacturing and commercialization, but is challenging. In the proposed project, large-area perovskite solar cells will be designed based on our recent understanding of perovskite opto-electronics and device physics. Photon absorption within a complex multilayer (tandem) devices will be optimized using a transfer matrix approach and the effect of parasitic resistance (sheet and shunt resistance) will be modelled prior to fabricating real devices. Large-area perovskite cells will be fabricated by thermal co-evaporation, which offers uniform perovskite films with few pin-holes and shows the potential for solar cell manufacturing. To be eligible for this studentship, you will have or be predicted a first or upper second-class degree in physics, chemistry, electronic engineering, materials science or a related discipline. This studentship is only available to UK/EU applicants. For more information on eligibility please refer to www.epsrc.ac.uk/skills/students/help/eligibility/. For further information on the project and how to apply, please email Michael Johnston, michael.johnston@physics.ox.ac.uk or Henry Snaith henry.snaith@physics.ox.ac.uk.

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For more information on what to expect as a CDT-PV student then please see our CDT-PV Handbook.