Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
DOI: https://doi.org/10.29363/nanoge.hopv.2022.292
Publication date: 20th April 2022
Among thin films solar cells, CdTe/CdS solar cell is one of most studied type and its efficiency has increased to 22.1% over the years. One of the reasons that hinders the efficiency is that CdTe has a high electron affinity (about 4.5 eV), making it hard for a metal to form a good ohmic contact with CdTe. In our previous studies, we have shown that conducting polymers, such as PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate), with its high work function and conductivity, can be used as back-contact material for CdTe solar cell, and the efficiency is slightly lower than that with conventional metal back contact.
To further increase the efficiency of CdTe/CdS solar cells with PEDOT:PSS back contact, we need to understand how different parameters of PEDOT:PSS affects the CdTe solar cell. In this work, we show our simulation studies on those CdTe solar cells with PEDOT:PSS back-contact using wxAmps simulation software. We compared our simulation results with our experimental result, and explored further what parameters are needed for PEDOT:PSS as a good back-contact of CdTe solar cells. The results will guide us in choose the right parameters and even different conducting polymers for CdTe back contact.
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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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