Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
Hybrid organic-inorganic perovskite materials have recently shaken up the solar cell research community substantially due to their remarkable properties as light absorbers and semi-conductors. One great advantage lies in the almost complementary absorption region when combined with a Silicon solar cell, making it an almost ideal candidate for tandem solar cell applications. The recent demonstration of nearly perfect tunability of the band gap of such perovskites1 has opened even more possibilities for adjusting the layer stack and the potential to fabricate all-perovskite tandem devices. The development of such solar cells becomes reasonably complicated, considering the multiple layers that are involved in the design. Here we present an optical simulation to optimize tandem perovskite solar cell stacks and identify feasibility of various interface materials, layer thicknesses and bandgaps to achieve the highest possible efficiencies above 30%. Furthermore, we rigorously compare the performances under simulated all-year-round irradiation conditions at different locations to show whether tandem solar cells should be optimized depending on their place of installation. The results can offer extensive guidance to design the perovskite tandem device of the future.
1McMeekin et al. 2016, Science 351(6269):151-155
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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