Engineered core-shell nanofibers for electron transport study indye-sensitized solar cells

In this study, a unique approach was developed to synthesize 1-D core-shell nanofibers ofcarbon nanotubes(CNTs) andTiO2 using combination of coaxial electrospinning and sol-gel technique. Diameters of thefabricatedcore-shell single wall carbon nanotube-TiO2 (SWCNT-TiO2) and multi wallcarbonnanotube-...

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Published in:AIP advances 2017-06, Vol.7 (6)
Main Authors: Shabdan, Y, Ronasi, A, Coulibaly, P, Moniruddin, M, Nuraje, N
Format: Article
Language:English
Subjects:
Carbon fiber reinforced plastics
Dye-sensitized solar cells
Electron transport
Multi wall carbon nanotubes
Nanocomposites
Nanofibers
Nanotubes
Photovoltaic cells
Single wall carbon nanotubes
Sol-gel processes
Titanium dioxide
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creator Shabdan, Y
Ronasi, A
Coulibaly, P
Moniruddin, M
Nuraje, N
description In this study, a unique approach was developed to synthesize 1-D core-shell nanofibers ofcarbon nanotubes(CNTs) andTiO2 using combination of coaxial electrospinning and sol-gel technique. Diameters of thefabricatedcore-shell single wall carbon nanotube-TiO2 (SWCNT-TiO2) and multi wallcarbonnanotube-TiO2 (MWCNT-TiO2) nano-composite fibers werebetween 50-100nm. Energy dispersive spectroscopy(EDS) andX-ray photonspectroscopy(XPS) were applied to confirm encapsulation of carbon nanotube(CNT) in thecore-shell structure. Electron transport properties of both SWCNT-TiO2 andMWCNT-TiO2 in the Dye-sensitized solar cells(DSSCs) werestudied for the first time. It was found that SWCNT-TiO2 based DSSC provided higher shortcircuit current relative to MWCNT-TiO2, which was explained by I-V and bodeplots. These findings were further illustrated by semi-conductive properties of SWCNT.
doi_str_mv 10.1063/1.4983181
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subjects Carbon fiber reinforced plastics
Dye-sensitized solar cells
Electron transport
Multi wall carbon nanotubes
Nanocomposites
Nanofibers
Nanotubes
Photovoltaic cells
Single wall carbon nanotubes
Sol-gel processes
Titanium dioxide
title Engineered core-shell nanofibers for electron transport study indye-sensitized solar cells
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