Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV16)
Publication date: 28th March 2016
In this contribution, we discuss the effect of integrating different kinds of photonic nanostructures within mesostructured perovskite solar cells. In particular, we first describe the spatial light distribution along PSC in order to discriminate between productive and parasitic absorption, estimating the fraction of light captured by the different components integrating the cell.[1] Our work also provides a theoretical framework in which the optical response of solar cells integrating photonic components can be rationalized. Based on these theoretical designs, we are able to provide actual cells displaying a wide color palette, ranging from blue to red, which are realized by incorporating a one-dimensional photonic crystal inside the structure.[2] In a different approach, based on near optical field enhancement effects, we demonstrate that sunlight absorption enhancement of ~12% can be achieved in perovskite thin films by embedding plasmonic gold nanoparticles directly into the active layer.[3] In all cases, in-depth experimental analysis of the optical effects occurring in state-of-the-art systems supports our calculations. In brief, we demonstrate that integration of photonic nanostructures in perovskite solar cells, following the appropriate optical design, is a powerful tool to provide the cells with the desired aesthetics or to minimize the amount of semiconductor material required to build a device, both features of relevance if mass production of more versatile and adaptable devices is sought after.
(1) Anaya, M.; Lozano, G.; Calvo, M. E.; Zhang, W.; Johnston, M. B.; Snaith, H. J.; Míguez, H. Optical description of mesostructured organic–inorganic halide perovskite solar cells. J. Phys. Chem. Lett. 2015, 6, 48-53.
(2) Zhang, W.; Anaya, M.; Lozano, G.; Calvo, M. E.; Johnston, M. B.; Míguez, H.; Snaith, H. J. Highly efficient perovskite solar cells with tuneable structural color. Nano Lett., 2015, 1, 1698–1702.
(3) Carretero-Palacios, S.; Calvo, M. E.; Míguez, H. Absorption enhancement in organic–inorganic halide perovskite films with embedded plasmonic gold nanoparticles. J. Phys. Chem. C, 2015, 119 (32), 18635–18640.
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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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