Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
Thin-film photovoltaics play an important role in the quest for clean renewable energy. Recently, methylammonium lead halide perovskites were identified as promising absorbers for solar cells. In this work, we present a simple and innovative architecture of a perovskite-based solar cell. It is metal oxide free, prepared using room temperature processing with efficiencies as high as 15%. To ensure a high purity, the perovskite layers were prepared by sublimation in a high-vacuum chamber. The simple planar device structure and the room-temperature deposition processes are suitable for many conducting substrates, including plastic and textiles. To demonstrate the potential of our approach for a wide variety of photovoltaic applications, two features are highlighted: ITO-free flexible solar cells, and semitransparent devices. This device architecture showed power conversion efficiencies as high as 7% for both flexible and semitransparent layouts. Moreover, this solar cell layout is very robust as extended bending of the flexible devices does not deteriorate their performance. These properties, together with the high transparency showed in the semitransparent cells, demonstrate their suitability for industrial applications such as windows integrated and roll to roll processing solar cells.
Malinkiewicz, O.; Yella,A.; Lee, Y.L.; Mínguez-Espallargas, G.; Graetzel, M.; Nazeeruddin, M. K.; Bolink, H. J. Perovskite solar cells employing organic charge-transport layers, Nature Photonics 2014, 8, 128–132. Roldán-Carmona, C.; Malinkiewicz, O.; Soriano, A.; Mínguez-Espallargas, G.; Garcia, A.; Reinecke, P.; Kroyer, T.; Ibrahim Dar, M.; Nazeeruddine, M. K. and Bolink, H. J. Energy Environ. Sci. DOI: 10.1039/c3ee43619e
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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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