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Excellent ONO passivation on phosphorus and boron diffusion demonstrating a 25% efficient IBC solar cell
journal contributionposted on 2023-05-21, 12:30 authored by Kho, TC, Fong, KC, Stocks, M, McIntosh, K, Evan FranklinEvan Franklin, Phang, SP, Liang, W, Blakers, A
This work presents results of a laboratory-scale interdigitated back contact (IBC) solar cell with an independently measured efficiency of 25.0%, featuring open-circuit voltage of 716 mV, short-circuit current of 43.0 mA.cm(-2)and fill factor of 81.0%. Notably, the high efficiency was achieved based on significant improvements resulting from the optimised cell structure, excellent SiO2-SiNx-SiOx(ONO) surface passivation, detailed bulk lifetime management strategy and improved random pyramid texturing. Experimental details and analysis of the individual improvements over prior work are presented in-depth.
Publication titleProgress in Photovoltaics: Research and Applications
Department/SchoolSchool of Engineering
PublisherJohn Wiley & Sons Ltd
Place of publicationUnited Kingdom
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