Morphological, photovoltaic, and electron transport properties of In2O3-based DSSC with different concentrations of MWCNTs

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Abstract

This study focuses on the influence of loading MWCNTs in In2O3-based DSSCs. In2O3-MWCNTs were prepared by sol-gel method via spin coating technique and annealed at 450 °C. The structural, morphology, and electrical properties of the photoanodes were characterized by means of XRD, AFM and FESEM, and J-V curve measurement and EIS properties, respectively. Incorporation of MWCNTs in In2O3 improved the Jsc and Voc of the cell. However, excess loading of MWCNTs in In2O3 caused a serious aggregation of MWCNTs that increased the recombination rate. Thus, In2O3-MWCNTs with 0.3 % of MWCNTs achieved the highest PCE of 1.23 % with large surface area for efficient dye adsorption. Moreover, In2O3-MWCNTs(0.3%) exhibited large Deff about 25.7 × 10−3 cm2 s−1 with low recombination effect that increased the PCE. This study suggests an optimum MWCNT incorporation of 0.3 % in the photoanode by sol-gel synthesis method of developing In2O3-based nanocomposite.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalIonics
DOIs
Publication statusAccepted/In press - 29 Jul 2016

Fingerprint

Electron transport properties
transport properties
Coating techniques
Spin coating
gels
Sol-gel process
Sol-gels
Nanocomposites
Electric properties
electrons
Coloring Agents
Agglomeration
Dyes
Adsorption
coating
nanocomposites
dyes
electrical properties
atomic force microscopy
adsorption

Keywords

  • Efficiency
  • Electron transport
  • InO
  • Morphology
  • Multi-walled carbon nanotubes

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Engineering(all)
  • Materials Science(all)
  • Physics and Astronomy(all)

Cite this

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title = "Morphological, photovoltaic, and electron transport properties of In2O3-based DSSC with different concentrations of MWCNTs",
abstract = "This study focuses on the influence of loading MWCNTs in In2O3-based DSSCs. In2O3-MWCNTs were prepared by sol-gel method via spin coating technique and annealed at 450 °C. The structural, morphology, and electrical properties of the photoanodes were characterized by means of XRD, AFM and FESEM, and J-V curve measurement and EIS properties, respectively. Incorporation of MWCNTs in In2O3 improved the Jsc and Voc of the cell. However, excess loading of MWCNTs in In2O3 caused a serious aggregation of MWCNTs that increased the recombination rate. Thus, In2O3-MWCNTs with 0.3 {\%} of MWCNTs achieved the highest PCE of 1.23 {\%} with large surface area for efficient dye adsorption. Moreover, In2O3-MWCNTs(0.3{\%}) exhibited large Deff about 25.7 × 10−3 cm2 s−1 with low recombination effect that increased the PCE. This study suggests an optimum MWCNT incorporation of 0.3 {\%} in the photoanode by sol-gel synthesis method of developing In2O3-based nanocomposite.",
keywords = "Efficiency, Electron transport, InO, Morphology, Multi-walled carbon nanotubes",
author = "Huda Abdullah and S. Mahalingam and Izamarlina Asshaari",
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AU - Mahalingam, S.

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AB - This study focuses on the influence of loading MWCNTs in In2O3-based DSSCs. In2O3-MWCNTs were prepared by sol-gel method via spin coating technique and annealed at 450 °C. The structural, morphology, and electrical properties of the photoanodes were characterized by means of XRD, AFM and FESEM, and J-V curve measurement and EIS properties, respectively. Incorporation of MWCNTs in In2O3 improved the Jsc and Voc of the cell. However, excess loading of MWCNTs in In2O3 caused a serious aggregation of MWCNTs that increased the recombination rate. Thus, In2O3-MWCNTs with 0.3 % of MWCNTs achieved the highest PCE of 1.23 % with large surface area for efficient dye adsorption. Moreover, In2O3-MWCNTs(0.3%) exhibited large Deff about 25.7 × 10−3 cm2 s−1 with low recombination effect that increased the PCE. This study suggests an optimum MWCNT incorporation of 0.3 % in the photoanode by sol-gel synthesis method of developing In2O3-based nanocomposite.

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