Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics 2018 (AP-HOPV18)
Publication date: 27th October 2017
In recent years, lead based perovskites has become the most promising photovoltaic material showing excellent photoelectronic performance. However, lead based perovskite material also generates significant environmental impact due to its toxicity and instability. Therefore, the development of new lead-free perovskite materials becomes an urgent requirement for the application of perovskite solar cells. Among many substitute materials of lead based perovskite, double perovskite material is especially promising, which is highly stable, non-toxic, has proper band structure and long carrier lifetime. Recently many studies aiming at double perovskite light absorber were reported, both theoretically and practically. Under the guidance of theoretical calculation, we firstly reported the synthesis of new lead free double perovskite material Cs2NaBiI6. The as-synthesized double perovskite possesses a shuttle-like crystal shape, and its detailed crystal growth process were observed. With XRD and XPS tests, we analyzed the component of the as-prepared sample. We have also explored its optical properties and application to solar cells. The as-prepared double perovskite shows high air stability and has a bandgap of 1.68eV. In addition, we studied how condition parameters would affect the synthesis process. Although the fabrication of Cs2NaBiI6 devices encountered difficulties due to bad interface of between the double perovskite layer and the HTM layer, Cs2NaBiI6 is still a promising material for the photovoltaic photovoltaic devices.
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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.