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Open AccessArticle

Efficiency Improvement Using Molybdenum Disulphide Interlayers in Single-Wall Carbon Nanotube/Silicon Solar Cells

1
Flinders Centre for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Bedford Park, Adelaide, SA 5042, Australia
2
Department of Chemistry, The University of Adelaide, Adelaide, SA 5005, Australia
3
Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St. Lucia, QLD 4072, Australia
*
Author to whom correspondence should be addressed.
Materials 2018, 11(4), 639; https://doi.org/10.3390/ma11040639
Received: 27 March 2018 / Revised: 12 April 2018 / Accepted: 12 April 2018 / Published: 21 April 2018
(This article belongs to the Special Issue Graphene/Carbon Nanotubes Application in Solar Cells)
Molybdenum disulphide (MoS2) is one of the most studied and widely applied nanomaterials from the layered transition-metal dichalcogenides (TMDs) semiconductor family. MoS2 has a large carrier diffusion length and a high carrier mobility. Combining a layered structure of single-wall carbon nanotube (SWCNT) and MoS2 with n-type silicon (n-Si) provided novel SWCNT/n-Si photovoltaic devices. The solar cell has a layered structure with Si covered first by a thin layer of MoS2 flakes and then a SWCNT film. The films were examined using scanning electron microscopy, atomic force microscopy and Raman spectroscopy. The MoS2 flake thickness ranged from 5 to 90 nm while the nanosheet’s lateral dimensions size ranged up to 1 μm2. This insertion of MoS2 improved the photoconversion efficiency (PCE) of the SWCNT/n-Si solar cells by approximately a factor of 2. View Full-Text
Keywords: molybdenum disulphide (MoS2); single-wall carbon nanotubes (SWCNTs); solar cells molybdenum disulphide (MoS2); single-wall carbon nanotubes (SWCNTs); solar cells
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Alzahly, S.; Yu, L.; Shearer, C.J.; Gibson, C.T.; Shapter, J.G. Efficiency Improvement Using Molybdenum Disulphide Interlayers in Single-Wall Carbon Nanotube/Silicon Solar Cells. Materials 2018, 11, 639.

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