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dc.contributor.authorLi, Zeyuen
dc.contributor.authorE, Ruslien
dc.contributor.authorLu, Chenjinen
dc.contributor.authorPrakoso, Ari Bimoen
dc.contributor.authorFoldyna, Martinen
dc.contributor.authorKhoury, Rashaen
dc.contributor.authorBulkin, Pavelen
dc.contributor.authorWang, Junkangen
dc.contributor.authorChen, Wanghuaen
dc.contributor.authorJohnson, Eriken
dc.contributor.authorCabarrocas, Pere i Rocaen
dc.identifier.citationLi, Z., E, R., Lu, C., Prakoso, A. B., Foldyna, M., Khoury, R., . . . Cabarrocas, P. (2018). Optical Study and Experimental Realization of Nanostructured Back Reflectors with Reduced Parasitic Losses for Silicon Thin Film Solar Cells. Nanomaterials, 8(8), 626-. doi:10.3390/nano8080626en
dc.description.abstractWe study light trapping and parasitic losses in hydrogenated amorphous silicon thin film solar cells fabricated by plasma-enhanced chemical vapor deposition on nanostructured back reflectors. The back reflectors are patterned using polystyrene assisted lithography. By using O2 plasma etching of the polystyrene spheres, we managed to fabricate hexagonal nanostructured back reflectors. With the help of rigorous modeling, we study the parasitic losses in different back reflectors, non-active layers, and last but not least the light enhancement effect in the silicon absorber layer. Moreover, simulation results have been checked against experimental data. We have demonstrated hexagonal nanostructured amorphous silicon thin film solar cells with a power conversion efficiency of 7.7% and around 34.7% enhancement of the short-circuit current density, compared with planar amorphous silicon thin film solar cells.en
dc.format.extent15 p.en
dc.rights© 2018 by The Author(s). Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
dc.subjectDRNTU::Engineering::Electrical and electronic engineeringen
dc.subjectSilicon Thin Filmen
dc.subjectLight Trappingen
dc.titleOptical study and experimental realization of nanostructured back reflectors with reduced parasitic losses for silicon thin film solar cellsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.researchNanoelectronics Center of Excellenceen
dc.description.versionPublished versionen
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