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A silicon nanocrystal/polymer nanocomposite as a down-conversion layer in organic and hybrid solar cells

Svrcek, V., Yamanari, T., Mariotti, D, Mitra, S, Velusamy, T. and Matsubara, K. (2015) A silicon nanocrystal/polymer nanocomposite as a down-conversion layer in organic and hybrid solar cells. Nanoscale, 7 . pp. 11566-11574. [Journal article]

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URL: http://dx.doi.org/10.1039/C5NR02703A

DOI: 10.1039/C5NR02703A

Abstract

Silicon nanocrystal (Si-nc) down-conversion is demonstrated to enhance organic and hybrid organic/inorganic bulk heterojunction solar cells based on PTB7:[70]PCBM bulk heterojunction devices. Surfactant free surface-engineered Si-ncs can be integrated into the device architecture to be optically active and provide a means of effective down-conversion of blue photons (high energy photons below [similar]450 nm) into red photons (above [similar]680 nm) leading to 24% enhancement of the photocurrent under concentrated sunlight. We also demonstrate that the down-conversion effect under 1-sun is enhanced in the case of hybrid solar cells where engineered Si-ncs are also included in the active layer.

Item Type:Journal article
Keywords:photovoltaics, sliicon nanocrystals
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:32096
Deposited By: Professor Davide Mariotti
Deposited On:21 Jul 2015 09:42
Last Modified:17 Oct 2017 16:19

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