Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Publication date: 7th November 2016
Organic-inorganic lead halide based perovskite, CH3NH3Pb(Br,I)3, have risen to prominence with regards for their intimate physical properties. Most studies of all, examination on high photo-conversion efficiency thin-films are proceeded to comprehend the conducting characteristics. Grain growth behavior in perovksite is not fully controlled in terms of compositions, textures, and even believed as a trapping source of ionic migration. We investigated perovskite thin-films grown on TiO2 mesoscopic or planar bottom electrodes for the distribution of surface electric potential and current transport by Kelvin probe force microscopy and conductive atomic force microscopy respectively. Surface potentials of iodide and bromide films exhibit distribution around 4.4 eV and 4.6 eV, respectively. Current level of the mono-grain is small but some spots exhibit large current values at high external voltage bias. We also measured its photoluminescence and temperature dependent resistivity in order to estimate electronic structure and transport behaviors of the perovskite thin-films. Consolidated information of the band gap and workfunction will provide a schematic picture on the electronic structure of the perovskite materials.
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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.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.