Browsing by Author "Orange, Tamsen"

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    The nano-optimization of p- and e-type semiconductor films for efficient perovskite photovoltaics
    (University of the Western Cape, 2022) Orange, Tamsen; Ross, Natasha
    Perovskite solar cells (PSCs) have gained a lot of attraction due to the multiple existing, inexpensive production methods, the flexibility of materials and structures that can be utilized, and the outstanding optoelectric properties, which include the high carrier diffusion length and strong absorption. Despite the multiple favourable characteristics, there are however unfavourable characteristics that are preventing the commercialization of these solar cells, namely, the scaling up of the spin-coating process, the stability of the cells, the toxicity because of the lead compounds used in the cells, and hysteresis in current-voltage (I-V) curves. Structural stability refers to the capability of the crystalline stage to resist degradation over a wide range of conditions, namely, moisture, pressure, and heat.