Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
Publication date: 21st February 2018
The first perovskite solar cells (PSC) fabricated directly on a paper substrate are here reported. The paper PSCs were developed with a low-temperature Paper/Au/SnO2/meso-TiO2/CH3NH3PbI3/Spiro-OMeTAD/MoOx/Au/MoOx architecture utilizing an Au/SnO2 and MoOx/Au/MoOx stack as electron- and hole- extracting electrodes respectively, delivering state of the art power conversion efficiency of 2.7% for solar cells prepared directly on the opaque paper substrate. The transparent top MoOx/Au/MoOx electrode had a favourable combination of transmittance (62.5%) and sheet resistance (9 ohms/sq). Opaque and transparent bottom electrodes were also designed. By comparing the performance of cells on paper with those fabricated on glass and plastic films with different electrodes, we identify avenues that can help guide future research for improved performance. All the deposition processes used are scalable and compatible with large area printing or evaporation technologies. Paper represents a lightweight, flexible, inexpensive, ubiquitous, and environmentally friendly material, paving the way for integrating perovskite semiconductor technology with other electronic components as well as for the development of stand-alone PV devices on low-cost and recyclable cellulose paper substrates.
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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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