Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
Photovoltaic (PV) solar cells technology exhibits attractive features, making it a promising field to fully provide the world with an alternative and viable secured energy supply. The development of PV technology progresses steadily giving room for improvement for Thin Film Silicon solar cells, the second PV generation (2G). Light trapping scheme, by surface texturing, a technique used by Thin Film technology is simple and economical making it popular among other types of PV technologies.
Thin Film silicon solar cells based on amorphous Silicon (a-Si) or microcrystalline Silicon (µc-Si) have drawn a lot of attention in realising its potential as one of an important field among several other types of PV technologies. a-Si and µc-Si are abundant, non-toxic and feasible to be manufactured. However, these economic benefits are balanced by poor conversion efficiency compared to wafer-based crystalline Silicon (c-Si) solar cells. It is apparent that the low efficiency is caused by rapid recombination, which results from the very thin physical structure of the device.
This paper reviews the current research works related to texturing the back surface of Thin Film, to help lengthen the time for photons retention in the active layer.
Index Terms— Light Trapping, Reflective Backside Surface, Texturing, Thin Film.
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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.
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