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AuthorMehmood, Umer
AuthorHussein, Ibnelwaleed A.
AuthorAl-Ahmed, Amir
AuthorAhmed, Shakeel
Available date2021-04-15T10:49:02Z
Publication Date2016
Publication NameIEEE Journal of Photovoltaics
ResourceScopus
ISSN21563381
URIhttp://dx.doi.org/10.1109/JPHOTOV.2016.2514703
URIhttp://hdl.handle.net/10576/18242
AbstractThe aim of this work is to improve the power conversion efficiency (PCE) of dye-sensitized solar cells (DSSCs) using composite films consisting of titanium oxide (TiO2) nanoparticles and multiwalled carbon nanotubes (MWCNTs). A transmission electron microscope (TEM) was used to confirm the dispersion of carbon nanotubes (CNTs) in TiO2. Composite photoanode-based solar cells were characterized by UV-Visible absorption spectroscopy, photocurrent-voltage (I-V) characteristics, and electrochemical impedance spectroscopy. It was found that the PCE (?c) of DSSCs strongly depends on the concentration of CNTs in the nanocomposite films. The solar cell assembled with photoanode containing 0.06% MWCNTs shows the highest efficiency of 5.25%, which is 46% greater than unmodified photoanode. The density functional theory (DFT) quantum modeling technique was used to compute the band gap of TiO2 and CNT-TiO2 clusters.
Languageen
PublisherIEEE Electron Devices Society
SubjectComposites
density functional theory (DFT)
efficiency
multiwalled carbon nanotubes
photovoltaics
Power
TitleEnhancing Power Conversion Efficiency of Dye-Sensitized Solar Cell Using TiO2-MWCNT Composite Photoanodes
TypeArticle
Pagination486-490
Issue Number2
Volume Number6
dc.accessType Abstract Only


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