Light trapping in thin-fim solar cells: Gain in spite of defects

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Research units

  • St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO)


In this work, we report a nanostructure that grants a significant enhancement in optical efficiency to a thin-film solar cell based on amorphous silicon. The fabrication technique is very cheap and the nanostructure can be easily and rapidly prepared on a large area. This is possible by price of numerous mm-sized defects. In the areas of these defects the optical effciency suffers. However, the enhancement of optical effciency in the non-defective regions is so significant that the presence of defects still allows the gain granted by our light-trapping structure compared to a standard anti-reflective coating.


Original languageEnglish
Article number012138
JournalJournal of Physics: Conference Series
Publication statusPublished - 1 Jan 2018
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Metamaterials and Nanophotonics - Sochi, Russian Federation
Duration: 17 Sep 201821 Sep 2018
Conference number: 3

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