Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
Publication date: 21st February 2018
Antimony Sulfide (Sb2S3) solar cells improved notably over the past years and state-of-the-art efficiencies exceed 7% in a sensitized device architecture. Progress in fabrication was achieved by introducing a spin-coating process of Sb2S3 instead of the time-consuming Chemical Bath Deposition that also leads to oxygen impurities. Apart from these promising results, thorough material and device characterization is required to judge the prospects of Sb2S3 as an absorber material for solar cells.
Here, we present spin-coated Sb2S3 solar cells in a planar device geometry. Different processing routes lead to device efficiencies between 3% and 4% which is on the same level as the highest reported efficiencies for similarly processed samples. Apart from the film morphology regarding crystal size and the presence of pinholes, the choice of polymeric hole transport layer is crucial. Results from current-voltage measurements are supported by advanced device characterization such as impedance spectroscopy. We discuss efficiency limitations based on insights from device analysis and relate them to material properties such as disorder and mobility-lifetime product obtained from Photothermal Deflection Spectroscopy (PDS) and Constant Photocurrent Measurements (CPM), respectively.
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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.