Perovskite solar panels.

Paving the way to a bright future

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Revolutionizing solar technology from silicon to perovskite

About Our Project.

We are a team of 4 graduate students at UCLouvain studying the properties of perovskite based solar cells in hopes of maybe one day, establishing this technology on our campus.

In order to be impartial, a thorough analysis must be conducted : characterisation of the environmental and societal impacts of solar cells, consideration of advantages and disadvantages to installing solar panels on campus, etc.

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Perovskite.

Methylammonium lead iodide (CH3NH3PbI3) has exceptional electronic properties, which makes it a perfect candidate for applications in the photovoltaic field. Perovskite solar cells hold a non negligible advantage over traditional solar cells thanks to the simplicity and versatility of their processing.

Silicon.

Silicon is the most commonly used material in the production of solar cells. It is a highly abundant element, making it an attractive material for use in solar cells in the past decades. It is also relatively inexpensive and has a long lifespan, making it a cost-effective solution for renewable energy production.

Shockley-Queisser Limit.

Efficiency is one of the most useful parameters to compare solar cells with each other. In 1960, Shockley and Queisser published their article : "Detailed Balance Limit of Efficiency of p-n Junction Solar Cells" which was a major breakthrough in the scientific community. The Shockley-Queisser limit is an upper theoretical efficiency limit for single-junction solar cells.

Mobility.

Mobility of electrons and holes is one of the key variables that determines how efficient can a solar cell be. This section will compute the mobilities in function of the temperature. It will be seen that this last aspect plays a lot on mobility.

Absorption spectrum.

Characterizing the absorption spectrum of a material is very important for its application in solar cells, it has an important impact on the final efficiency of the cell. The higher the absorption coefficient, the more efficiently the solar cell can absorb photons of the desired wavelength.

Quality index.

Optimizing the efficiency of a solar cell is essential. The thickness of the active layer plays an important role. If it's too thick, the carriers will scatter. If it's too thin, the absorption will decrease. Hence, there should be an optimum thickness that compromises between these 2 phenomena.

Life cycle analysis.

Studying the environmental impact of a perovskite solar panel life cycle is important. We will assess if it answers to the 21st century challenges of a sustainable future and can be considered as future replacement of traditional silicon solar panel.