Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
Organic-inorganic perovskite compounds have attracted much attention because of their unique optical properties based on the quantum-confined structure. While three-dimensional perovskite compound such as MAPbI3 and FAPbI3 has been extremely focused on the field of photovoltaic cells, two-dimensional perovskite compounds, (RNH3)2PbX4, are also attracted much attention for their unique optical properties and higher stability compared with three-dimensional compounds. Here, we focused on the wide variation of organi-inorganic perovskite materials which make possible to make combination of various inorganic and organic components. By introducing functional organic moieties into the perovskites, novel properties would arise from the combination of organic and inorganic components. In this study, for the purpose of expanding the possibility of two-dimensional perovskite compound for photovoltaic materials, two dimensional perovskites containing C60 derivatives were prepared, and their opto-electrical properties were investigated. [Ethyl-3-tert-butoxycarbonylaminopropyl-(1,2-methano fullerene C60)]-61,61-dicarboxylate iodide (EAF-I) was synthesized by the Bingel reaction . EAF-I was hybridized with PbI2 in N, N-dimethylformamide. Perovskite films were fabricated by spin coating method or casting. From the XRD results of the obtained films, clear diffractions patterns were observed, suggesting that layered perovskite structures was formed by alternately piled fullerene and inorganic [PbI6]4- layers. The UV-vis absorption spectra also referred the hybridization of EAF-I and PbI2. The perovskite cast film containig EAF-Ishowed photoconductivity under light irradiation and the photocurrent values with 1.0 V bias voltage was 0.05 mA under AM 1.5 irradiation, while no photoconductivity was obtained for alkylamine based two-dimensional perovskite. Hybrid perovskite solar cells containing EAF-I based compounds were fabricated, and the photovoltaic properties were investigated.
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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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