Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
Recently, there was significant breakthrough in both dye sensitized solar cells and organic solar cells. Perovskite solar cells, hybrid type of organic and inorganic, are getting more and more attention because of their extremely high photovoltaic characteristics. Among them, planar structured perovskite solar cells have strong advantages above meso-porous structured ones because of their simple device making process as well as flexibility that we can replace materials of electron transport layer (ETL) and hole transport layer (HTL) to other materials which are commonly used in organic solar cells. However, it is a great challenge to fabricate high quality perovskite film because the perovskite morphology is highly sensitive to its fabrication condition. To control the film morphology, until now, there were some trials such as changing annealing temperature and time to increase the surface coverage of perovskite.
In this work, we focused on surface wetting between compact TiO2 and perovskite for optimizing the surface coverage of the perovskite layer. For enhancing the surface wetting, we treated the surface of compact TiO2 by exposing UV-ozone (UVO) with different treatment time. We analyzed the effect of different UVO treatment time on optical absorption, surface coverage, photoluminescence, and current density-voltage characteristics of the perovskite solar cell. From these analysis, we can obtain the appropriate UVO treatment condition for optimizing the device performance.
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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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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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