Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/4070
Title: Nanosphere Concentrated Photovoltaics with Shape Control
Authors: Esmaeilzad, Nasim Seyedpour
Demir, Ahmet Kemal
Hajivandi, Jamileh
Çiftpinar, Hande
Turan, Raşit
Kurt, Hamza
Bek, Alpan
Keywords: Concentrated photovoltaics
light management
nanospheres
shape adjustment
solar cells
Issue Date: Dec-2020
Publisher: WILEY-V C H VERLAG GMBH
Source: Esmaeilzad, N., Demir, A., Hajivandi, J., Ciftpinar, H., Turan, R., Kurt, H., and Bek, A. (2020). Nanosphere Concentrated Photovoltaics with Shape Control.
Abstract: Dielectric colloidal nanospheres (NSs) are promising candidates for light management in photonic devices such as solar cells (SCs). NS arrays can direct the broad incident solar radiation into a set of tighter foci, at which light intensity becomes considerably concentrated, enabling higher photovoltaic conversion efficiency. Furthermore, the NS arrays acting as an effective medium on the SC surface can reduce reflectance and facilitate improved forward scattering. Therefore, uniform arrays of NSs located on top of the SC can behave as antireflection coatings or as microlenses, which can be regarded as a surface distributed light concentrator within the framework of concentrated photovoltaics. Fabrication of NS-based light-trapping structures is low-cost and less complicated than common alternatives such as vacuum evaporated multilayer antireflection coatings. In this work, experimental demonstration and computational confirmation on the shape adjustment of such NS structures for improved light harvesting and efficiency enhancement in Si SCs are studied. The light conversion efficiency of Si solar cells is shown to improve by more than 27% with shape adjustment of NS arrays.
URI: https://hdl.handle.net/20.500.11851/4070
https://onlinelibrary.wiley.com/doi/10.1002/adom.202000943
ISSN: 2195-1071
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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