Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
DOI: https://doi.org/10.29363/nanoge.hopv.2018.161
Publication date: 21st February 2018
With Perovskites Solar cells matching that of crystalline silicon the rush to commercialisation is even more paramount than ever before. One area of interest is for Perovskites to be used in window and Tandem applications. However conventional Perovskites use a solid, non-transparent back contact, this is problematic if the application range is to diversify. Here we present a transparent back contact deposited via solution processed silver Nano-wires with efficiencies of 11% and an average transmission of 2.2% over (400-750nm) in a conventional mesoporous architecture using a triple cation based perovskite (FTO/cTiO2/mesoporousTiO2/Perovskite/Spiro-OMeTAD/ Silver Nano-wires). Thinning the Perovskite absorbing material allowed us to increase average transmission to over 14.5% (over 400-750nm) with a tradeoff in reducing PCE to around 3.6%, a result that is competitive with current alternative PV technologies currently on the market for semi-transparent PV windows. Various silver Nano-wire materials and carbon nanotube composites were trialled and optimised for this work in order to give the best compromise between optical and device performances. These were then characterised further using atomic force microscopy to measure Nano-wire/ nanotube dimensions and dispersions. Lastly, conductivity measurements (sheet resistances) were taken using a Jandel 4 point probe and z conductivity measured using conductive atomic force microscopy. Optical modelling was also carried out to probe layer thickness and optical constants while CIE measurements were taken in order to assess and quantify colour and clarity of the resulting layers.
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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.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
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