Over the past decade, the growth of the global photovoltaics (PV) industry has been impressive, with significant technological developments made in both laboratory and industrial mass production. As illustrated in Figure 1, new technologies have emerged during this period and cell efficiencies have increased rapidly. The laboratory efficiency of a monocrystalline silicon cell has reached 26.7%, with the emerging Perovskite and Si tandem cell technology reaching 29.8%.