Abstract
Hybrid organic-inorganic perovskite solar cells have attracted the attention of researchers and scientists throughout the world. From 2009, when actual research work began on photovoltaic perovskite applications, a lab power conversion efficiency above 23.3% have been achieved. Whereas, silicon solar cells have only achieved power conversion efficiencies around 17.5% in both residential and commercial applications. A typical perovskite solar cell consists of 6 main layers of different materials: a glass layer, a thin layer of fluorine-doped tin oxide substrate (FTO), an electron transport layer of TiO2, a perovskite active layer known as methylammonium lead iodide (CH3NH3PbI3), a hole transport layer of Spiro-Ometad, and a gold (Au) electrode. This paper summarizes the research that focused on the selective use of the perovskite solar cell’s composite materials, specifically, the Spiro-Ometad layer, the methylammonium lead iodide layer (CH3NH3PbI3), and the TiO2 layer with a variation of the thickness of the perovskite layer. Initial simulation results show a power conversion efficiency of 20.34% when using a gold (Au) electrode. Further research is needed, in which new technology for device fabrication will create homogeneous thin-film layers that will be tested for increased efficiency.
Highlights
Until now, the silicon solar cell has an efficiency in the range of 12-17.5% power conversion efficiency (PCE), which lead to an extensive search for a new material with better efficiency
The silicon solar cell has an efficiency in the range of 12-17.5% PCE, which lead to an extensive search for a new material with better efficiency
Researchers started looking into hybrid materials for photovoltaic applications
Summary
The silicon solar cell has an efficiency in the range of 12-17.5% PCE, which lead to an extensive search for a new material with better efficiency. Hybrid photovoltaic technology is an emerging field, compared with inorganic silicon solar cells. Since the 1950s, silicon materials used as the primary material in making solar cells. Hybrid organic-inorganic perovskite solar cells have gained special attention since 2009, with exponential efficiency increases from 3.8% to 23.3% PCE. The perovskite solar cell (PSC) has the optical and electrical property to absorb the visible light spectrum and the near-infrared as well. The silicon solar cell can only absorb the visible light spectrum. The perovskite solar cell has passed the 23.0% PCE, which makes it an excellent and more efficient alternative to silicon. We have examined the effect of the absorber layer thickness, doping concentrations, and defects on the performance of the solar cell performance [1]
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