Proceedings of Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP20)
Publication date: 14th October 2019
Because of the continuous rising of power conversion efficiency (PCE), a perovskite solar cell (PSC) is considered as one of the most promising alternatives to Si-based solar cells. Although TiO2 has been widely used as an electron transport layer (ETL) in the n-i-p (regular) type PSCs, serious of its disadvantages such as high processing temperature, low bulk electron mobility and highly catalytic activity, hindered a higher photovoltaic performance and better environmental stability of the PSCs. To overcome this issue, SnO2 is developed as an ETL for PSCs owing to the low-temperature requirement, suitable energy levels, and higher electron mobility. In this work, we effectively controlled the morphology of SnO2 ETL by adding organic solvents into SnO2 precursors. This approach can improve wettability of SnO2 precursor on glass substrate and improve the stability of SnO2 colloidal dispersion. A full-covered SnO2 film with homogenous morphology and free-aggregation can be obtained using ethanol, which is beneficial for boosting the performance of PSCs. PCE of the PSCs with ethanol processed SnO2 exhibited a high PCE of 18.84%, with improved environmental stability. Our investigation provides a simple and effective approach for achieving high performance SnO2-based PSCs.
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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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