Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics 2018 (AP-HOPV18)
DOI: https://doi.org/10.29363/nanoge.ap-hopv.2018.002
Publication date: 27th October 2017
Due to the high absorption coefficients, long carrier diffusion lengths, high carrier mobilities and low trap densities, perovskites have been widely investigated as absorbers for solar cells and emitters for light emitting diodes (LEDs). Along with the development of bulk perovskite materials, perovskite quantum dots (QDs) have also attracted scientific interest because of their size-dependent absorption and emission, narrow emission width and high quantum efficiency. They have been applied as the interlayers or active layers for high performance solar cells and LEDs. Currently, the synthesis of perovskite NCs is mainly based on two methods: ligand-assisted reprecipitation (LARP) and hot injection (HI). These two methods can result in the formation of highly emissive perovskite QDs, but they are normally carried out in batch systems with poor mixing, making scale-up difficult. Besides, high temperatures of over 100°C are normally required especially for HI method. In this work, a simple flow reactor was used to carry out the room temperature synthesis of MAPbX3 perovskite QDs. The resulting QDs showed a narrow size distribution, high stability and excellent emissive properties. Their photoluminescence was tuned by changing the halide composition.
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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
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