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Shedding light on perovskite films


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IMAGE: In terms of efficiency, perovskite solar cells have caught up on silicon solar cells, but some of their properties are not yet understood completely.
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Credit: Markus Breig, KIT
Photovoltaics decisively contributes to sustainable energy supply. The efficiency of solar cells in directly converting light energy into electrical energy depends on the material used. Metal-halide perovskites are considered very promising materials for solar cells of the next generation. With these semiconductors named after their special crystal structure, a considerable increase in efficiency was achieved in the past years. Meanwhile, perovskite solar cells have reached an efficiency of up to 25.5 percent, which is quite close to that of silicon solar cells that are presently dominating the market. Moreover, the materials needed for perovskite solar cells are rather abundant. The solar cells can be produced easily and at low cost and they can be used fo ....

Paul Fassl , Yana Vaynzof , Diana Howard , Felixj Berger , Ulrichw Paetzold , Lukasm Falk , Bryces Richards , Vincent Lami , Jana Zaumseil , Technical University Of Dresden , Light Technology Institute , Energy Center , Institute Of Microstructure Technology , Materials For Next Generation Photovoltaics Group , Heidelberg University , Advanced Materials , Technical University , Microstructure Technology , Have More Optimization Potentials , Advanced Optics , Next Generation Photovoltaics Group , Cell Press , Chemistry Physics Materials Sciences , Energy Fuel Non Petroleum , Electrical Engineering Electronics , பிரிக்ஸ் ரிச்சர்ட்ஸ் ,