Interface modification of MoS2:TiO2 counter electrode/electrolyte in dye-sensitized solar cells by doping with different Co contents

Hao Che Hung, Yow-Jon Lin, Zun Yuan Ke

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The MoS2:TiO2 counter electrode (CE) doped with different Co contents provides possibilities to improve photovoltaic performance of dye-sensitized solar cells. The experimental results revealed that the MoS2:TiO2:Co composite influences on the power conversion efficiency by enhancing electrocatalytic activity that serves to increase the value of the short circuit current. The optimized Co implanted CE promotes the overpotential modification at the MoS2:TiO2:Co CE/electrolyte interfaces. These results may be explained by assuming that the Co 3d orbit results in an increase in the probability of the reduction of I3 to I and by conjecturing that the induced surface states by Co doping act as channels for electron transfer.

Original languageEnglish
Pages (from-to)5059-5063
Number of pages5
JournalJournal of Materials Science: Materials in Electronics
Volume27
Issue number5
DOIs
Publication statusPublished - 2016 May 1

Fingerprint

Electrolytes
counters
solar cells
dyes
Doping (additives)
electrolytes
Electrodes
electrodes
Surface states
short circuit currents
Short circuit currents
Conversion efficiency
electron transfer
Orbits
orbits
composite materials
Electrons
Composite materials
Dye-sensitized solar cells

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

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title = "Interface modification of MoS2:TiO2 counter electrode/electrolyte in dye-sensitized solar cells by doping with different Co contents",
abstract = "The MoS2:TiO2 counter electrode (CE) doped with different Co contents provides possibilities to improve photovoltaic performance of dye-sensitized solar cells. The experimental results revealed that the MoS2:TiO2:Co composite influences on the power conversion efficiency by enhancing electrocatalytic activity that serves to increase the value of the short circuit current. The optimized Co implanted CE promotes the overpotential modification at the MoS2:TiO2:Co CE/electrolyte interfaces. These results may be explained by assuming that the Co 3d orbit results in an increase in the probability of the reduction of I3 − to I− and by conjecturing that the induced surface states by Co doping act as channels for electron transfer.",
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AB - The MoS2:TiO2 counter electrode (CE) doped with different Co contents provides possibilities to improve photovoltaic performance of dye-sensitized solar cells. The experimental results revealed that the MoS2:TiO2:Co composite influences on the power conversion efficiency by enhancing electrocatalytic activity that serves to increase the value of the short circuit current. The optimized Co implanted CE promotes the overpotential modification at the MoS2:TiO2:Co CE/electrolyte interfaces. These results may be explained by assuming that the Co 3d orbit results in an increase in the probability of the reduction of I3 − to I− and by conjecturing that the induced surface states by Co doping act as channels for electron transfer.

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